{"id":8103,"date":"2020-02-26T13:10:16","date_gmt":"2020-02-26T09:40:16","guid":{"rendered":"https:\/\/cfd-mrk.ir\/?page_id=8103"},"modified":"2022-02-14T14:31:02","modified_gmt":"2022-02-14T11:01:02","slug":"do-radiation-model","status":"publish","type":"page","link":"https:\/\/cfd-mrk.ir\/index.php\/training\/flow-analysis\/fundamentals-of-cfd\/fundamentals-of-radiation-heat-transfer\/do-radiation-model\/","title":{"rendered":"\u0645\u062f\u0644 \u062a\u0634\u0639\u0634\u0639 DO"},"content":{"rendered":"\r\n<h2 class=\"has-very-dark-gray-color has-text-color has-text-align-right wp-block-heading\"><strong>\u0645\u062f\u0644 \u062a\u0634\u0639\u0634\u0639 DO<\/strong><\/h2>\r\n\r\n\r\n\r\n<h2 class=\"has-very-dark-gray-color has-text-color has-text-align-left wp-block-heading\"><strong> Discrete Ordinates (DO) Radiation Model Theory <\/strong><\/h2>\r\n\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0645\u062f\u0644 \u062a\u0634\u0639\u0634\u0639 DO \u0645\u0639\u0627\u062f\u0644\u0647 \u0627\u0646\u062a\u0642\u0627\u0644 \u062a\u0627\u0628\u0634\u06cc(<strong>Radiative Transfer\u00a0 Equation (RTE)<\/strong>) \u0631\u0627 \u0628\u0631\u0627\u06cc \u062a\u0639\u062f\u0627\u062f \u0645\u062d\u062f\u0648\u062f\u06cc \u0627\u0632 \u0632\u0648\u0627\u06cc\u0627\u06cc \u06af\u0633\u0633\u062a\u0647\u200c\u0634\u062f\u0647 \u062d\u0644 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0647\u0631\u06cc\u06a9 \u0627\u0632 \u0627\u06cc\u0646 \u0632\u0648\u0627\u06cc\u0627\u06cc \u06af\u0633\u0633\u062a\u0647\u200c\u0634\u062f\u0647 \u0628\u0627 \u06cc\u06a9 \u0628\u0631\u062f\u0627\u0631 \u062c\u0647\u062a <strong><em>S<\/em><\/strong> \u0645\u0634\u062e\u0635 \u0634\u062f\u0647 \u062f\u0631 \u0633\u06cc\u0633\u062a\u0645 \u0645\u062e\u062a\u0635\u0627\u062a \u06a9\u0627\u0631\u062a\u0632\u06cc\u0646\u060c \u0645\u062a\u0646\u0627\u0638\u0631 \u0627\u0633\u062a. \u0627\u0646\u062f\u0627\u0632\u0647 \u0632\u0648\u0627\u06cc\u0627\u06cc \u06af\u0633\u0633\u062a\u0647\u200c\u0634\u062f\u0647 \u062a\u0648\u0633\u0637 \u06a9\u0627\u0631\u0628\u0631 \u0645\u0634\u062e\u0635 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0647\u0645\u0627\u0646\u0646\u062f \u0627\u0646\u062a\u062e\u0627\u0628 \u062a\u0639\u062f\u0627\u062f \u067e\u0631\u062a\u0648\u0647\u0627 \u0628\u0631\u0627\u06cc \u0645\u062f\u0644 DTRM \u0645\u06cc\u200c\u0628\u0627\u0634\u062f. \u0627\u0645\u0627 \u0628\u0631\u062e\u0644\u0627\u0641 \u0645\u062f\u0644 DTRM\u060c \u0645\u062f\u0644 DO \u067e\u0631\u062a\u0648\u0647\u0627 \u0631\u0627 \u0645\u0633\u06cc\u0631\u06cc\u0627\u0628\u06cc \u0646\u0645\u06cc\u200c\u06a9\u0646\u062f. \u062f\u0631\u0639\u0648\u0636\u060c \u0645\u0639\u0627\u062f\u0644\u0647 RTE \u0631\u0627 \u0628\u0647 \u06cc\u06a9 \u0645\u0639\u0627\u062f\u0644\u0647 \u0627\u0646\u062a\u0642\u0627\u0644\u06cc \u0628\u0631\u0627\u06cc \u0633\u06cc\u0633\u062a\u0645 \u0645\u062e\u062a\u0635\u0627\u062a \u06a9\u0627\u0631\u062a\u0632\u06cc\u0646 \u062a\u0628\u062f\u06cc\u0644 \u06a9\u0631\u062f\u0647 \u0648 \u062f\u0631 \u0646\u0647\u0627\u06cc\u062a \u0634\u062f\u062a \u062a\u0627\u0628\u0634 \u0631\u0627 \u0645\u062d\u0627\u0633\u0628\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u062f\u0631 \u0648\u0627\u0642\u0639 \u0645\u062f\u0644 DO \u062a\u0645\u0627\u0645\u06cc \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0627\u0646\u062a\u0642\u0627\u0644\u06cc \u0631\u0627 \u062f\u0631 \u062a\u0645\u0627\u0645 \u062c\u0647\u062a\u200c\u0647\u0627\u06cc \u0628\u0631\u062f\u0627\u0631 S \u062d\u0644 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/span><\/p>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0631\u0648\u0634 \u062d\u0644 \u062f\u0631 \u0627\u06cc\u0646 \u0645\u062f\u0644 \u0647\u0645\u0627\u0646\u0646\u062f \u0631\u0648\u0634 \u062d\u0644 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0645\u0645\u0646\u062a\u0645 \u0648 \u0627\u0646\u0631\u0698\u06cc \u062d\u0627\u06a9\u0645 \u0628\u0631 \u0633\u06cc\u0627\u0644 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0645\u062f\u0644 \u0628\u0635\u0648\u0631\u062a \u0645\u062c\u0632\u0627 \u0648 \u06a9\u0648\u067e\u0644 \u0634\u062f\u0647 \u0628\u0627 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u062d\u0627\u06a9\u0645 \u0628\u0631 \u062c\u0631\u06cc\u0627\u0646 \u062d\u0644 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0645\u062f\u0644 \u0645\u0630\u06a9\u0648\u0631 \u0628\u0635\u0648\u0631\u062a \u062d\u062c\u0645 \u0645\u062d\u062f\u0648\u062f \u06af\u0633\u0633\u062a\u0647\u200c\u0633\u0627\u0632\u06cc \u0648 \u062d\u0644 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f. \u0627\u0644\u0628\u062a\u0647 \u0645\u062f\u0644 \u06cc\u0627\u062f \u0634\u062f\u0647 \u0628\u0631\u0627\u06cc \u0634\u0628\u06a9\u0647\u200c\u0647\u0627\u06cc \u0628\u06cc\u200c\u0633\u0627\u0632\u0645\u0627\u0646 \u0646\u06cc\u0632 \u0642\u0627\u0628\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0633\u062a. \u0644\u0627\u0632\u0645 \u0628\u0647 \u0630\u06a9\u0631 \u0627\u0633\u062a \u0631\u0648\u0634 \u06a9\u0648\u067e\u0644 \u0634\u062f\u0647 \u0627\u0632 \u0633\u0631\u0639\u062a\/\u0646\u0631\u062e \u0647\u0645\u06af\u0631\u0627\u06cc\u06cc \u0648 \u062f\u0631 \u0639\u06cc\u0646 \u062d\u0627\u0644 \u062d\u0627\u0641\u0638\u0647 \u0645\u0648\u0631\u062f \u0646\u06cc\u0627\u0632 \u0628\u06cc\u0634\u062a\u0631\u06cc \u0646\u0633\u0628\u062a \u0628\u0647 \u0631\u0648\u0634 \u0645\u062c\u0632\u0627 \u0628\u0631\u062e\u0648\u0631\u062f\u0627\u0631 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f.<\/span><\/p>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0645\u062f\u0644 DO \u062a\u0645\u0627\u0645 \u0636\u062e\u0627\u0645\u062a\u0647\u0627\u06cc \u0627\u067e\u062a\u06cc\u06a9\u06cc \u0631\u0627 \u067e\u0648\u0634\u0634 \u0645\u06cc\u200c\u062f\u0647\u062f. \u062f\u0631 \u062a\u0627\u0628\u0634 \u0633\u0637\u062d-\u0628\u0647-\u0633\u0637\u062d \u0628\u0631\u0627\u06cc \u0648\u0627\u0631\u062f \u06a9\u0631\u062f\u0646 \u0627\u0646\u062a\u0642\u0627\u0644 \u062d\u0631\u0627\u0631\u062a \u062a\u0627\u0628\u0634\u06cc \u0648 \u062f\u0631 \u0645\u0633\u0627\u0626\u0644 \u0627\u062d\u062a\u0631\u0627\u0642 \u0646\u06cc\u0632 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0627\u0632 \u0627\u06cc\u0646 \u0645\u062f\u0644 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f. \u0647\u0645\u0686\u0646\u06cc\u0646 \u0645\u062f\u0644 DO \u062a\u0627\u0628\u0634 \u067e\u0648\u0634\u0634\u200c\u0647\u0627\u06cc \u0646\u06cc\u0645\u0647\u200c\u0634\u0641\u0627\u0641 \u0631\u0627 \u0647\u0645 \u0634\u0628\u06cc\u0647\u200c\u0633\u0627\u0632\u06cc \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0645\u062f\u0644 DO \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u062f\u0647 \u062f\u0631 \u0646\u0631\u0645\u200c\u0627\u0641\u0632\u0627\u0631\u00a0 FLUENT \u062a\u0646\u0647\u0627 \u0628\u0631\u0627\u06cc \u062a\u0627\u0628\u0634 \u062e\u0627\u06a9\u0633\u062a\u0631\u06cc \u0648 \u062a\u0627\u0628\u0634 \u063a\u06cc\u0631\u062e\u0627\u06a9\u0633\u062a\u0631\u06cc (\u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062f\u0644 \u0628\u0627\u0646\u062f \u062e\u0627\u06a9\u0633\u062a\u0631\u06cc) \u06a9\u0627\u0631\u0628\u0631\u062f \u062f\u0627\u0631\u062f. \u0628\u0627 \u0627\u0641\u0632\u0627\u06cc\u0634 \u062a\u0639\u062f\u0627\u062f \u0632\u0648\u0627\u06cc\u0627\u06cc \u06af\u0633\u0633\u062a\u0647\u060c \u0647\u0632\u06cc\u0646\u0647 \u0645\u062d\u0627\u0633\u0628\u0627\u062a \u0648 \u062d\u0627\u0641\u0638\u0647 \u0645\u0648\u0631\u062f \u0646\u06cc\u0627\u0632 \u0628\u0637\u0648\u0631 \u0645\u062a\u0646\u0627\u0633\u0628 \u0648 \u0646\u0633\u0628\u062a\u0627\u064b \u06a9\u0645 \u0627\u0641\u0632\u0627\u06cc\u0634 \u067e\u06cc\u062f\u0627 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u062d\u0644 \u0645\u0633\u0627\u0626\u0644 \u0647\u0645\u0631\u0627\u0647 \u0628\u0627 \u0627\u0641\u0632\u0627\u06cc\u0634 \u06af\u0633\u0633\u062a\u0647\u200c\u0633\u0627\u0632\u06cc \u0632\u0627\u0648\u06cc\u0647\u200c\u0627\u06cc CPU\u0647\u0627\u06cc \u0642\u062f\u0631\u062a\u0645\u0646\u062f\u06cc \u0631\u0627 \u0645\u06cc\u200c\u0637\u0644\u0628\u062f.<\/span><\/p>\r\n<h3 style=\"text-align: right;\"><strong><span style=\"color: #000000;\"><a style=\"color: #000000;\" name=\"_Toc33515920\"><\/a><span style=\"color: #800000;\">\u062a\u0626\u0648\u0631\u06cc \u0648 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0645\u062f\u0644 \u062a\u0634\u0639\u0634\u0639 DO<\/span><\/span><\/strong><\/h3>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u062f\u0631 \u0645\u062f\u0644 DO\u060c \u0645\u0639\u0627\u062f\u0644\u0647 RTE \u062f\u0631 \u062c\u0647\u062a \u0628\u0631\u062f\u0627\u0631 S \u0648 \u0647\u0645\u0627\u0646\u0646\u062f \u06cc\u06a9 \u0645\u0639\u0627\u062f\u0644\u0647 \u0645\u06cc\u062f\u0627\u0646 \u062d\u0644 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0645\u0639\u0627\u062f\u0644\u0647 RTE \u0628\u0635\u0648\u0631\u062a \u0631\u0627\u0628\u0637\u0647 (1) \u0628\u0627\u0632\u0646\u0648\u06cc\u0633\u06cc \u0645\u06cc\u200c\u06af\u0631\u062f\u062f. \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631\u0647\u0627\u06cc CFD \u0646\u0638\u06cc\u0631 Ansys Fluent \u0627\u0632 \u062a\u0648\u0627\u0646\u0627\u06cc\u06cc \u0634\u0628\u06cc\u0647 \u0633\u0627\u0632\u06cc \u062a\u0627\u0628\u0634 \u063a\u06cc\u0631 \u062e\u0627\u06a9\u0633\u062a\u0631\u06cc (Non-Gray) \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062f\u0644 \u0628\u0627\u0646\u062f \u062e\u0627\u06a9\u0633\u062a\u0631\u06cc (Gray-Bond) \u0628\u0631\u062e\u0648\u0631\u062f\u0627\u0631 \u0647\u0633\u062a\u0646\u062f. \u062f\u0631 \u0627\u06cc\u0646 \u0634\u0631\u0627\u06cc\u0637 \u0645\u0639\u0627\u062f\u0644\u0647 RTE \u0628\u0631\u0627\u06cc \u062a\u0639\u06cc\u06cc\u0646 \u0634\u062f\u062a \u0637\u06cc\u0641\u06cc <strong><em>I<\/em><\/strong><strong><em><sub>\u03bb<\/sub><\/em><\/strong> \u0628\u0635\u0648\u0631\u062a \u0645\u0639\u0627\u062f\u0644\u0647 (2) \u0646\u0648\u0634\u062a\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0641\u0631\u0636 \u0628\u0631 \u0627\u06cc\u0646\u0633\u062a \u06a9\u0647 \u0636\u0631\u06cc\u0628 \u067e\u0631\u0627\u06a9\u0646\u0634 (Scattering Coefficient)\u060c \u062a\u0627\u0628\u0639 \u0641\u0627\u0632 \u067e\u0631\u0627\u06a9\u0646\u0634 (Scattering Phase Function) \u0648 \u0636\u0631\u06cc\u0628 \u0634\u06a9\u0633\u062a \u06cc\u0627 \u0627\u0646\u06a9\u0633\u0627\u0631 (Refractive Index)\u060c \u0645\u0633\u062a\u0642\u0644 \u0627\u0632 \u0637\u0648\u0644 \u0645\u0648\u062c \u0647\u0633\u062a\u0646\u062f.<\/span><\/p>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u062f\u0631 \u0645\u062f\u0644\u0633\u0627\u0632\u06cc \u063a\u06cc\u0631 \u062e\u0627\u06a9\u0633\u062a\u0631\u06cc \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062f\u0644 DO\u060c \u0637\u06cc\u0641 \u062a\u0627\u0628\u0634 \u0628\u0647 N \u0628\u0627\u0646\u062f \u0637\u0648\u0644 \u0645\u0648\u062c \u062a\u0642\u0633\u06cc\u0645 \u0645\u06cc\u200c\u0634\u0648\u062f \u06a9\u0647 \u0646\u06cc\u0627\u0632\u06cc \u0646\u06cc\u0633\u062a \u0628\u0647 \u0647\u0645 \u067e\u06cc\u0648\u0633\u062a\u0647 \u06cc\u0627 \u0647\u0645 \u0627\u0646\u062f\u0627\u0632\u0647 \u0628\u0627\u0634\u0646\u062f. \u0628\u0627\u0632\u0647\u200c\u0647\u0627\u06cc \u0637\u0648\u0644 \u0645\u0648\u062c \u062a\u0648\u0633\u0637 \u06a9\u0627\u0631\u0628\u0631 \u0642\u0627\u0628\u0644 \u062a\u0646\u0638\u06cc\u0645 \u0627\u0633\u062a. \u0627\u0644\u0628\u062a\u0647 \u0645\u0642\u062f\u0627\u0631 \u0636\u0631\u06cc\u0628 \u0634\u06a9\u0633\u062a \u062f\u0631 \u062e\u0644\u0627\u0621 \u0647\u0645\u0648\u0627\u0631\u0647 \u0628\u0631\u0627\u0628\u0631 \u0628\u0627 \u06cc\u06a9\u060c <em><strong>n=1<\/strong><\/em>\u060c \u0627\u0633\u062a. \u0627\u0632 \u0645\u0639\u0627\u062f\u0644\u0647 RTE \u0631\u0648\u06cc \u0647\u0631 \u0628\u0627\u0632\u0647 \u0637\u0648\u0644 \u0645\u0648\u062c \u0627\u0646\u062a\u06af\u0631\u0627\u0644\u200c \u06af\u0631\u0641\u062a\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f \u0648 \u062f\u0631 \u0627\u062f\u0627\u0645\u0647 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0627\u0646\u062a\u0642\u0627\u0644\u06cc \u0628\u0631\u0627\u06cc <strong><em>I<\/em><\/strong><strong><em><sub>\u03bb<\/sub><\/em><\/strong><strong><em>\u0394\u03bb<\/em><\/strong> \u0648 \u0627\u0646\u0631\u0698\u06cc \u062a\u0627\u0628\u0634\u06cc \u0645\u0648\u062c\u0648\u062f \u062f\u0631 \u0637\u0648\u0644 \u0645\u0648\u062c <strong><em>\u0394\u03bb<\/em><\/strong> \u0628\u062f\u0633\u062a \u0645\u06cc\u200c\u0622\u06cc\u062f. \u0646\u06a9\u062a\u0647 \u0645\u0647\u0645 \u0622\u0646\u0633\u062a \u06a9\u0647 \u0631\u0641\u062a\u0627\u0631 \u062f\u0631 \u0647\u0631 \u0628\u0627\u0646\u062f\u060c \u062e\u0627\u06a9\u0633\u062a\u0631\u06cc \u0641\u0631\u0636 \u0645\u06cc\u200c\u0634\u0648\u062f. \u062a\u0634\u0639\u0634\u0639 \u062c\u0633\u0645 \u0633\u06cc\u0627\u0647 \u062f\u0631 \u0647\u0631 \u0637\u0648\u0644 \u0645\u0648\u062c \u0628\u0631 \u0648\u0627\u062d\u062f \u0632\u0627\u0648\u06cc\u0647 \u0628\u0635\u0648\u0631\u062a \u0645\u0639\u0627\u062f\u0644\u0647 (3) \u062a\u0639\u0631\u06cc\u0641 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0634\u062f\u062a \u062a\u0627\u0628\u0634 \u06a9\u0644 \u0646\u06cc\u0632 \u0627\u0632 \u0645\u0639\u0627\u062f\u0644\u0647 (4) \u0645\u062d\u0627\u0633\u0628\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/span><\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8121 size-full\" src=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-Model-Equation.png\" alt=\"\u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0645\u062f\u0644 \u062a\u0634\u0639\u0634\u0639 DO\" width=\"758\" height=\"698\" srcset=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-Model-Equation.png 758w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-Model-Equation-300x276.png 300w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-Model-Equation-293x270.png 293w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-Model-Equation-600x553.png 600w\" sizes=\"auto, (max-width: 758px) 100vw, 758px\" \/><\/p>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0634\u0631<\/span><span style=\"color: #000000;\">\u0637 \u0645\u0631\u0632\u06cc \u0628\u0631\u0627\u06cc \u0645\u062f\u0644 DO \u063a\u06cc\u0631 \u062e\u0627\u06a9\u0633\u062a\u0631\u06cc \u062f\u0631 \u0645\u0631\u0632\u0647\u0627\u06cc \u0647\u0631 \u0628\u0627\u0646\u062f \u0627\u0639\u0645\u0627\u0644 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0627\u0644\u0628\u062a\u0647 \u0631\u0641\u062a\u0627\u0631 \u0622\u0646 \u062f\u0631 \u062f\u0631\u0648\u0646 \u0647\u0631 \u0628\u0627\u0646\u062f \u0647\u0645\u0627\u0646\u0646\u062f \u0631\u0648\u0634 \u0645\u062f\u0644 Do \u062e\u0627\u06a9\u0633\u062a\u0631\u06cc \u0645\u06cc\u200c\u0628\u0627\u0634\u062f.<\/span><\/p>\r\n<h3 style=\"text-align: right;\"><span style=\"color: #000000;\"><a style=\"color: #000000;\" name=\"_Toc33515921\"><\/a><span style=\"color: #800000;\"><strong>\u06a9\u0648\u067e\u0644\u06cc\u0646\u06af \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0627\u0646\u0631\u0698\u06cc \u0648 \u0645\u062f\u0644 \u062a\u0634\u0639\u0634\u0639 DO<\/strong><\/span><\/span><\/h3>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u06a9\u0648\u067e\u0644\u06cc\u0646\u06af \u0628\u06cc\u0646 \u0627\u0646\u0631\u0698\u06cc \u0648 \u0634\u062f\u062a \u062a\u0627\u0628\u0634 \u062f\u0631 \u0647\u0631 \u0633\u0644\u0648\u0644 \u06cc\u0627 \u0647\u0645\u0627\u0646 COMET \u0628\u0627\u0639\u062b \u0627\u0641\u0632\u0627\u06cc\u0634 \u0646\u0631\u062e \u0647\u0645\u06af\u0631\u0627\u06cc\u06cc \u062f\u0631 \u0631\u0648\u0634\u200c\u0647\u0627\u06cc \u062d\u062c\u0645 \u0645\u062d\u062f\u0648\u062f \u0628\u0631\u0627\u06cc \u062d\u0644 \u0627\u0646\u062a\u0642\u0627\u0644 \u062d\u0631\u0627\u0631\u062a \u062a\u0627\u0628\u0634\u06cc \u0645\u06cc\u200c\u0634\u0648\u062f. \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0628\u0637\u0648\u0631 \u0642\u0627\u0628\u0644 \u062a\u0648\u062c\u0647\u06cc \u0645\u0648\u062c\u0628 \u0628\u0647\u0628\u0648\u062f \u0647\u0645\u06af\u0631\u0627\u06cc\u06cc \u062f\u0631 \u0645\u0633\u0627\u0626\u0644 \u0645\u062a\u0634\u06a9\u0644 \u0627\u0632 \u0636\u062e\u0627\u0645\u062a \u0646\u0648\u0631\u06cc \u0628\u0632\u0631\u06af\u062a\u0631 \u0627\u0632 10 \u0645\u06cc\u200c\u0634\u0648\u062f. \u06a9\u0648\u067e\u0644\u06cc\u0646\u06af \u0645\u0639\u0627\u062f\u0644\u0647 \u0627\u0646\u0631\u0698\u06cc \u0648 \u0645\u062f\u0644 DO \u062f\u0631 \u062d\u0644 \u0645\u0633\u0627\u0626\u0644 \u0630\u0648\u0628 \u0634\u06cc\u0634\u0647 \u0628\u0633\u06cc\u0627\u0631 \u0645\u0624\u062b\u0631 \u0627\u0633\u062a. \u062f\u0631 \u0648 \u0627\u0642\u0639 \u0627\u06cc\u0646 \u0648\u06cc\u0698\u06af\u06cc \u062f\u0631 \u0632\u0645\u0627\u0646\u200c\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u067e\u0631\u0627\u06a9\u0646\u0634 \u0642\u0627\u0628\u0644 \u062a\u0648\u062c\u0647 \u0648 \u06a9\u0648\u067e\u0644\u06cc\u0646\u06af \u0642\u062f\u0631\u062a\u0645\u0646\u062f\u06cc \u0628\u06cc\u0646 \u0634\u062f\u062a\u200c\u0647\u0627\u06cc \u062a\u0627\u0628\u0634 \u0633\u0645\u062a\u06cc (Directional Radiation) \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f\u060c \u062f\u0627\u0631\u0627\u06cc \u0645\u0632\u06cc\u062a \u0627\u0633\u062a. \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0627\u0646\u0631\u0698\u06cc \u06af\u0633\u0633\u062a\u0647 \u0628\u0631\u0627\u06cc \u0631\u0648\u0634 \u06a9\u0648\u067e\u0644\u06cc\u0646\u06af \u0628\u0635\u0648\u0631\u062a \u0645\u0639\u0627\u062f\u0644\u0647 (5) \u0646\u0648\u0634\u062a\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0632\u0645\u0627\u0646\u06cc\u06a9\u0647 \u0645\u0639\u0627\u062f\u0644\u0647 \u0627\u0646\u0631\u0698\u06cc \u0631\u0648\u06cc \u062d\u062c\u0645 \u06a9\u0646\u062a\u0631\u0644 i \u0627\u0646\u062a\u06af\u0631\u0627\u0644 \u06af\u06cc\u0631\u06cc \u0645\u06cc\u200c\u0634\u0648\u062f\u060c \u0645\u0639\u0627\u062f\u0644\u0647 \u06af\u0633\u0633\u062a\u0647 \u0634\u062f\u0647 (5) \u0631\u0627 \u0646\u062a\u06cc\u062c\u0647 \u0645\u06cc\u200c\u062f\u0647\u062f.<\/span><\/p>\r\n<p style=\"text-align: right;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8126 size-full\" src=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-Energy-Coupling.png\" alt=\"\u06a9\u0648\u067e\u0644\u06cc\u0646\u06af \u0645\u0639\u0627\u062f\u0644\u0647 DO \u0648 \u0627\u0646\u0631\u0698\u06cc\" width=\"741\" height=\"964\" srcset=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-Energy-Coupling.png 741w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-Energy-Coupling-231x300.png 231w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-Energy-Coupling-208x270.png 208w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-Energy-Coupling-600x781.png 600w\" sizes=\"auto, (max-width: 741px) 100vw, 741px\" \/><\/p>\r\n<h4 style=\"text-align: right;\"><span style=\"color: #ff0000;\"><strong>\u0645\u062d\u062f\u0648\u062f\u06cc\u062a\u200c\u0647\u0627\u06cc \u06a9\u0648\u067e\u0644\u06cc\u0646\u06af \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0627\u0646\u0631\u0698\u06cc \u0648 \u0645\u062f\u0644 \u062a\u0634\u0639\u0634\u0639 DO<\/strong><\/span><\/h4>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u062f\u0631 \u0645\u0648\u0627\u0631\u062f \u0632\u06cc\u0631 \u0634\u0627\u0647\u062f \u0646\u0627\u0633\u0627\u0632\u06af\u0627\u0631\u06cc \u06cc\u0627 \u0628\u0631\u0648\u0632 \u0645\u0634\u06a9\u0644\u0627\u062a \u062f\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06a9\u0648\u067e\u0644\u06cc\u0646\u06af \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0627\u0646\u0631\u0698\u06cc \u0648 \u0645\u062f\u0644 DO \u0647\u0633\u062a\u06cc\u0645.<\/span><\/p>\r\n<ul style=\"text-align: right;\">\r\n<li><span style=\"color: #000000;\">\u06a9\u0648\u067e\u0644\u06cc\u0646\u06af \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0627\u0646\u0631\u0698\u06cc\/DO \u0628\u0631\u0627\u06cc \u0645\u0633\u0627\u0626\u0644\u06cc \u06a9\u0647 \u0627\u0632 \u0647\u0645\u0628\u0633\u062a\u06af\u06cc \u0636\u0639\u06cc\u0641\u06cc \u0628\u06cc\u0646 \u0627\u0646\u0631\u0698\u06cc \u0648 \u0634\u062f\u062a\u200c\u0647\u0627\u06cc \u062a\u0627\u0628\u0634 \u0633\u0645\u062a\u06cc \u0628\u0631\u062e\u0648\u0631\u062f\u0627\u0631 \u0647\u0633\u062a\u0646\u062f\u060c \u062a\u0648\u0635\u06cc\u0647 \u0646\u0645\u06cc\u200c\u06af\u0631\u062f\u062f. \u0627\u06cc\u0646 \u0645\u0647\u0645 \u0628\u0627\u0639\u062b \u06a9\u0627\u0647\u0634 \u0633\u0631\u0639\u062a \u0647\u0645\u06af\u0631\u0627\u06cc\u06cc \u0648 \u0627\u0641\u0632\u0627\u06cc\u0634 \u0632\u0645\u0627\u0646 \u0648 \u0647\u0632\u06cc\u0646\u0647 \u0645\u062d\u0627\u0633\u0628\u0627\u062a \u0646\u0633\u0628\u062a \u0628\u0647 \u062d\u0644 \u0645\u062a\u0648\u0627\u0644\u06cc \u0648 \u067e\u0634\u062a \u0633\u0631 \u0647\u0645 (Sequential) \u0627\u06cc\u0646 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u062e\u0648\u0627\u0647\u062f \u0634\u062f.<\/span><\/li>\r\n<li><span style=\"color: #000000;\">\u06a9\u0648\u067e\u0644\u06cc\u0646\u06af \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0627\u0646\u0631\u0698\u06cc\/DO \u062f\u0631 \u0647\u0646\u06af\u0627\u0645 \u062d\u0644 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0622\u0646\u062a\u0627\u0644\u067e\u06cc \u0628\u062c\u0627\u06cc \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u062f\u0645\u0627 \u0627\u0645\u06a9\u0627\u0646\u200c\u067e\u0630\u06cc\u0631 \u0646\u06cc\u0633\u062a.<\/span><\/li>\r\n<li><span style=\"color: #000000;\">\u06a9\u0648\u067e\u0644\u06cc\u0646\u06af \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0627\u0646\u0631\u0698\u06cc\/DO \u0628\u0627 \u0645\u062f\u0644\u200c\u0647\u0627\u06cc \u0627\u062d\u062a\u0631\u0627\u0642 \u063a\u06cc\u0631 \u067e\u06cc\u0634 \u0622\u0645\u06cc\u062e\u062a\u0647 (Non-Premixed Combustion) \u0648 \u067e\u06cc\u0634 \u0622\u0645\u06cc\u062e\u062a\u0647 \u062c\u0632\u0626\u06cc Partially-Premixed Combustion) \u0633\u0627\u0632\u06af\u0627\u0631 \u0646\u06cc\u0633\u062a.<\/span><\/li>\r\n<\/ul>\r\n<p style=\"text-align: right;\">\u00a0<\/p>\r\n<h3 style=\"text-align: right;\"><span style=\"color: #000000;\"><a style=\"color: #000000;\" name=\"_Toc33515923\"><\/a><span style=\"color: #800000;\"><strong>\u06af\u0633\u0633\u062a\u0647\u200c\u0633\u0627\u0632\u06cc \u0632\u0627\u0648\u06cc\u0647\u200c\u0627\u06cc \u0648 \u067e\u06cc\u06a9\u0633\u0644\u200c\u0628\u0646\u062f\u06cc (Angular Descretization and Pixelation)<\/strong><\/span><\/span><\/h3>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0647\u0631 \u06cc\u06a9 \u0647\u0634\u062a\u0645 \u0641\u0636\u0627\u06cc \u0632\u0627\u0648\u06cc\u0647\u200c\u0627\u06cc <strong>4<\/strong><strong>\u03c0<\/strong> \u062f\u0631 \u0647\u0631 \u0645\u0648\u0642\u0639\u06cc\u062a \u0645\u06a9\u0627\u0646\u06cc \u0628\u0635\u0648\u0631\u062a <strong>N<\/strong><strong><sub>\u03b8<\/sub><\/strong><strong>*N<\/strong><strong><sub>\u03d5<\/sub><\/strong> \u0632\u0627\u0648\u06cc\u0647 \u0648 \u0628\u0647 \u0627\u0646\u062f\u0627\u0632\u0647 <strong>\u03c9<sub>i<\/sub><\/strong> \u06a9\u0647 \u0628\u0647 \u0632\u0648\u0627\u06cc\u0627\u06cc \u06a9\u0646\u062a\u0631\u0644 \u0645\u0639\u0631\u0648\u0641 \u0627\u0633\u062a\u060c \u06af\u0633\u0633\u062a\u0647\u200c\u200c\u0633\u0627\u0632\u06cc \u0645\u06cc\u200c\u0634\u0648\u062f. \u0632\u0648\u0627\u06cc\u0627\u06cc <strong>\u03b8<\/strong> \u0648 <strong>\u03d5<\/strong> \u0647\u0645\u0627\u0646 \u0632\u0648\u0627\u06cc\u0627\u06cc \u0642\u0637\u0628\u06cc (Polar) \u0648 \u0633\u0645\u062a\u06cc (Azimuthal) \u0628\u0648\u062f\u0647 \u0648 \u0646\u0633\u0628\u062a \u0628\u0647 \u062f\u0633\u062a\u06af\u0627\u0647 \u0645\u062e\u062a\u0635\u0627\u062a \u06a9\u0627\u0631\u062a\u0632\u06cc\u0646 \u0627\u0646\u062f\u0627\u0632\u0647\u200c\u06af\u06cc\u0631\u06cc \u0645\u06cc\u200c\u0634\u0648\u062f (\u0634\u06a9\u0644-1). <strong>\u03b8<\/strong> \u0648 <strong>\u03d5<\/strong> \u0648\u0633\u0639\u062a \u0632\u0627\u0648\u06cc\u0647\u200c \u06a9\u0646\u062a\u0631\u0644 \u0631\u0627 \u0645\u0639\u06cc\u0646 \u0645\u06cc\u200c\u06a9\u0646\u062f \u062f\u0631 \u062d\u0627\u0644\u06cc\u06a9\u0647 \u200c<strong>\u0394\u03b8<\/strong> \u0648\u200c\u200c\u200c <strong>\u0394\u03d5<\/strong> \u062b\u0627\u0628\u062a \u0627\u0633\u062a. \u062f\u0631 \u0645\u062d\u0627\u0633\u0628\u0627\u062a \u062f\u0648 \u0628\u0639\u062f\u06cc\u060c \u0628\u0639\u0644\u062a \u062a\u0642\u0627\u0631\u0646\u060c \u062a\u0646\u0647\u0627 \u0686\u0647\u0627\u0631 \u0646\u0627\u062d\u06cc\u0647 \u06cc\u06a9 \u0647\u0634\u062a\u0645 \u062d\u0644 \u0634\u062f\u0647 \u06a9\u0647 \u062f\u0631 \u0645\u062c\u0645\u0648\u0639 <strong>4*N<\/strong><strong><sub>\u03b8<\/sub><\/strong><strong>*N<\/strong><strong><sub>\u03d5<\/sub><\/strong> \u0631\u0627 \u0634\u0627\u0645\u0644 \u0645\u06cc\u200c\u0634\u0648\u062f. \u062f\u0631 \u0645\u062d\u0627\u0633\u0628\u0627\u062a \u0633\u0647\u200c\u0628\u0639\u062f\u06cc\u060c \u0628\u0637\u0648\u0631 \u06a9\u0644\u06cc <strong>8*N<\/strong><strong><sub>\u03b8<\/sub><\/strong><strong>*N<\/strong><strong><sub>\u03d5<\/sub><\/strong> \u062d\u0644 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/span><\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8134 size-full\" src=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-Model-fig-1.png\" alt=\"\u0634\u06a9\u0644-1: \u067e\u06cc\u06a9\u0633\u0644 \u0628\u0646\u062f\u06cc \u0645\u062f\u0644 DO \" width=\"212\" height=\"190\" \/><\/p>\r\n<p style=\"text-align: center;\"><strong><span style=\"color: #000000;\">\u0634\u06a9\u0644-1: \u0633\u06cc\u0633\u062a\u0645 \u0645\u062e\u062a\u0635\u0627\u062a \u0632\u0627\u0648\u06cc\u0647\u200c\u0627\u06cc.<\/span><\/strong><\/p>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u062f\u0631 \u0635\u0648\u0631\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0634\u0628\u06a9\u0647\u200c\u0647\u0627\u06cc \u0628\u0627\u0633\u0627\u0632\u0645\u0627\u0646\u060c \u0627\u0645\u06a9\u0627\u0646 \u0645\u0631\u062a\u0628\u200c\u0633\u0627\u0632\u06cc \u06af\u0633\u0633\u062a\u0647\u200c\u0633\u0627\u0632\u06cc \u0632\u0627\u0648\u06cc\u0647\u200c\u0627\u06cc \u0628\u0627 \u0648\u062c\u0647 \u062d\u062c\u0645 \u06a9\u0646\u062a\u0631\u0644\u060c \u0647\u0645\u0627\u0646\u0646\u062f \u0634\u06a9\u0644(2) \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f. \u0627\u0645\u0627 \u0628\u0637\u0648\u0631 \u06a9\u0644\u06cc \u0628\u0631\u0627\u06cc \u0634\u0628\u06a9\u0647\u200c\u0647\u0627\u06cc \u0628\u06cc\u200c\u0633\u0627\u0632\u0645\u0627\u0646 \u0627\u06cc\u0646 \u0627\u0645\u06a9\u0627\u0646 \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0634\u062a\u0647 (\u0634\u06a9\u0644-3) \u0648 \u0645\u0633\u0626\u0644\u0647 \u0628\u0647 \u06cc\u06a9 \u0645\u0633\u0626\u0644\u0647 <strong>Control Angle Overhang<\/strong> : CAO \u062a\u0628\u062f\u06cc\u0644 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/span><\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8138 size-full\" src=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-Model-fig-2.png\" alt=\"\u0634\u06a9\u0644-2: \u067e\u06cc\u06a9\u0633\u0644 \u0628\u0646\u062f\u06cc \u0645\u062f\u0644 DO\" width=\"287\" height=\"153\" \/><\/p>\r\n<p style=\"text-align: center;\"><strong><span style=\"color: #000000;\">\u0634\u06a9\u0644-2: \u0648\u062c\u0647 \u0628\u062f\u0648\u0646 CAO (\u062f\u0648 \u0628\u0639\u062f\u06cc).<\/span><\/strong><\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-8141 aligncenter\" src=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-Model-fig-3.png\" alt=\"\u0634\u06a9\u0644-3: \u067e\u06cc\u06a9\u0633\u0644 \u0628\u0646\u062f\u06cc \u0645\u062f\u0644 DO\" width=\"300\" height=\"208\" \/><\/p>\r\n<p style=\"text-align: center;\"><strong><span style=\"color: #000000;\">\u0634\u06a9\u0644-3: \u0648\u062c\u0647 \u0647\u0645\u0631\u0627\u0647 \u0628\u0627 CAO (\u062f\u0648 \u0628\u0639\u062f\u06cc).<\/span><\/strong><\/p>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0627\u0633\u0627\u0633\u0627\u064b \u0632\u0648\u0627\u06cc\u0627\u06cc \u06a9\u0646\u062a\u0631\u0644\u06cc \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0628\u06af\u0648\u0646\u0647\u200c\u0627\u06cc \u0631\u0648\u06cc \u0648\u062c\u0648\u0647 \u062d\u062c\u0645\u0647\u0627\u06cc \u06a9\u0646\u062a\u0631\u0644 \u0642\u0631\u0627\u0631\u06af\u06cc\u0631\u062f \u06a9\u0647 \u062c\u0632\u0626\u06cc \u0627\u0632 \u0622\u0646 \u062f\u0631 \u0648\u0631\u0648\u062f\u06cc \u0648 \u062c\u0632\u0621 \u062f\u06cc\u06af\u0631 \u0622\u0646 \u062f\u0631 \u062e\u0631\u0648\u062c\u06cc \u0648\u062c\u0647 \u0648\u0627\u0642\u0639 \u0634\u0648\u062f. \u062f\u0631 \u0634\u06a9\u0644 (4) \u06cc\u06a9 \u0645\u062b\u0627\u0644 \u0633\u0647 \u0628\u0639\u062f\u06cc \u0627\u0632 \u06cc\u06a9 \u0648\u062c\u0647 \u0628\u0647\u0645\u0631\u0627\u0647 CAO \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a.<\/span><\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-8148 aligncenter\" src=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-Model-fig-4-1.png\" alt=\"\u0634\u06a9\u0644-4: \u067e\u06cc\u06a9\u0633\u0644 \u0628\u0646\u062f\u06cc \u0645\u062f\u0644 DO\" width=\"298\" height=\"167\" \/><\/p>\r\n<p style=\"text-align: center;\"><strong><span style=\"color: #000000;\">\u0634\u06a9\u0644 -4: \u0648\u062c\u0647 \u0647\u0645\u0631\u0627\u0647 \u0628\u0627 CAO (\u0633\u0647 \u0628\u0639\u062f\u06cc).<\/span><\/strong><\/p>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0648\u062c\u0647 \u062d\u062c\u0645 \u06a9\u0646\u062a\u0631\u0644\u060c \u06a9\u0631\u0647 \u0645\u062a\u0646\u0627\u0638\u0631 \u0641\u0636\u0627\u06cc \u0632\u0627\u0648\u06cc\u0647\u200c\u0627\u06cc \u062f\u0631 \u0647\u0631 \u0632\u0627\u0648\u06cc\u0647 \u062f\u0644\u062e\u0648\u0627\u0647 \u0631\u0627 \u0642\u0637\u0639 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u062f\u0631 \u0627\u06cc\u0646 \u062d\u0627\u0644\u062a\u060c \u062e\u0637 \u062a\u0642\u0627\u0637\u0639 \u06cc\u06a9 \u062f\u0627\u06cc\u0631\u0647 \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f. \u0647\u0645\u0686\u0646\u06cc\u0646 CAO \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u0635\u0648\u0631\u062a \u0646\u062a\u06cc\u062c\u0647 \u0627\u0646\u0639\u06a9\u0627\u0633 \u0648 \u0627\u0646\u06a9\u0633\u0627\u0631 \u0631\u062e \u062f\u0647\u062f. \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0648\u0627\u0631\u062f \u0645\u0647\u0645 \u0627\u0633\u062a \u06a9\u0647 \u0632\u0627\u0648\u06cc\u0647 \u06a9\u0646\u062a\u0631\u0644 \u0628\u0631\u0622\u0645\u062f\u06af\u06cc (CAO) \u0628\u0647 \u062f\u0631\u0633\u062a\u06cc \u0645\u062d\u0627\u0633\u0628\u0647 \u0634\u0648\u062f. \u0645\u062d\u0627\u0633\u0628\u0647 \u0627\u06cc\u0646 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u0628\u0627 \u067e\u06cc\u06a9\u0633\u0644 \u0628\u0646\u062f\u06cc \u0632\u0627\u0648\u06cc\u0647\u200c\u0627\u06cc \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc\u200c\u0634\u0648\u062f. \u062f\u0631 \u0647\u0645\u06cc\u0646 \u0631\u0627\u0633\u062a\u0627 \u0647\u0631 \u0632\u0627\u0648\u06cc\u0647 \u06a9\u0646\u062a\u0631\u0644\u060c <strong>\u03c9<sub>i<\/sub>\u060c <\/strong>\u0628\u0647 <strong>N<sub>\u03b8<\/sub><sub>P<\/sub>*N<sub>\u03d5<\/sub><sub>P<\/sub><\/strong> \u067e\u06cc\u06a9\u0633\u0644 (\u0634\u06a9\u0644-5) \u062a\u0642\u0633\u06cc\u0645 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/span><\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8152 size-full\" src=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-Model-fig-5.png\" alt=\"\u0634\u06a9\u0644-5: \u067e\u06cc\u06a9\u0633\u0644 \u0628\u0646\u062f\u06cc \u0645\u062f\u0644 DO\" width=\"272\" height=\"375\" srcset=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-Model-fig-5.png 272w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-Model-fig-5-218x300.png 218w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-Model-fig-5-196x270.png 196w\" sizes=\"auto, (max-width: 272px) 100vw, 272px\" \/><\/p>\r\n<p style=\"text-align: center;\"><strong><span style=\"color: #000000;\">\u0634\u06a9\u0644-5: \u067e\u06cc\u06a9\u0633\u0644 \u0628\u0646\u062f\u06cc \u0647\u0631 \u0632\u0627\u0648\u06cc\u0647 \u06a9\u0646\u062a\u0631\u0644 \u03c9<sub>i<\/sub>.<\/span><\/strong><\/p>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0647\u0631 \u067e\u06cc\u06a9\u0633\u0644 \u062f\u0627\u0631\u0627\u06cc \u06cc\u06a9 \u0633\u0637\u062d \u0627\u0646\u0631\u0698\u06cc \u0628\u0648\u062f\u0647 \u06a9\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0628\u0647 \u0622\u0646 \u0648\u0627\u0631\u062f \u0634\u062f\u0647 \u06cc\u0627 \u0627\u0632 \u0622\u0646 \u062e\u0627\u0631\u062c \u0634\u0648\u062f. \u062f\u0631 \u0648\u0627\u0642\u0639 \u0647\u0631 \u067e\u06cc\u06a9\u0633\u0644 \u0627\u0632 \u06cc\u06a9 \u0634\u0627\u0631 \u0627\u0646\u0631\u0698\u06cc \u0628\u0631\u062e\u0648\u0631\u062f\u0627\u0631 \u0627\u0633\u062a. \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0627\u062b\u0631 \u0628\u0631\u0622\u0645\u062f\u06af\u06cc (Overhang) \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u062f\u0631 \u0648\u0636\u0648\u062d \u067e\u06cc\u06a9\u0633\u0644 \u0628\u0646\u062f\u06cc \u0644\u062d\u0627\u0638 \u06af\u0631\u062f\u062f. \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 Fluent \u0627\u06cc\u0646 \u0627\u0645\u06a9\u0627\u0646 \u0631\u0627 \u0628\u0647 \u06a9\u0627\u0631\u0628\u0631 \u0645\u06cc\u200c\u062f\u0647\u062f \u062a\u0627 \u0648\u0636\u0648\u062d \u067e\u06cc\u06a9\u0633\u0644\u200c\u0647\u0627 \u0631\u0627 \u0627\u0646\u062a\u062e\u0627\u0628 \u06a9\u0646\u062f. \u0628\u0631\u0627\u06cc \u0645\u0633\u0627\u0626\u0644 \u062f\u0631\u06af\u06cc\u0631 \u0628\u0627 \u062a\u0627\u0628\u0634 \u062a\u0634\u0639\u0634\u0639-\u062e\u0627\u06a9\u0633\u062a\u0631\u06cc\u060c \u0645\u0639\u0645\u0648\u0644\u0627 \u0631\u0632\u0648\u0644\u0648\u0634\u0646 \u067e\u06cc\u06a9\u0633\u0644\u200c\u0647\u0627 1*1 \u0627\u0633\u062a. \u0628\u0631\u0627\u06cc \u0645\u0633\u0627\u0626\u0644 \u062f\u0631\u06af\u06cc\u0631 \u0628\u0627 \u0634\u0631\u0627\u06cc\u0637 \u0645\u0631\u0632\u06cc \u0645\u062a\u0642\u0627\u0631\u0646\u060c \u0645\u062a\u0646\u0627\u0648\u0628 (\u067e\u0631\u06cc\u0648\u062f\u06cc\u06a9)\u060c \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641 (Semi-Transparant)\u060c \u0622\u06cc\u0646\u0647\u200c\u0627\u06cc \u06cc\u0627 \u062a\u06a9 \u062c\u0647\u062a\u0647 (Specular) \u0631\u0632\u0648\u0644\u0648\u0634\u0646 3*3 \u0628\u0631\u0627\u06cc \u0647\u0631 \u067e\u06cc\u06a9\u0633\u0644 \u067e\u06cc\u0634\u0646\u0647\u0627\u062f \u0645\u06cc\u200c\u06af\u0631\u062f\u062f. \u0644\u0627\u0632\u0645 \u0628\u0647 \u0630\u06a9\u0631 \u0627\u0633\u062a \u06a9\u0647 \u0627\u0641\u0632\u0627\u06cc\u0634 \u0631\u0632\u0648\u0644\u0648\u0634\u0646 \u0645\u0633\u062a\u0644\u0632\u0645 \u0627\u0641\u0632\u0627\u06cc\u0634 \u0647\u0632\u06cc\u0646\u0647 \u0648 \u0632\u0645\u0627\u0646 \u0645\u062d\u0627\u0633\u0628\u0627\u062a \u0645\u06cc\u200c\u0628\u0627\u0634\u062f.<\/span><\/p>\r\n<h3 style=\"text-align: right;\"><strong><span style=\"color: #000000;\"><span style=\"color: #800000;\">\u067e\u0631\u0627\u06a9\u0646\u0634 \u063a\u06cc\u0631 \u0647\u0645\u06af\u0646 (Anisotropic Scattering)<\/span><\/span><\/strong><\/h3>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0627\u062c\u0631\u0627\u06cc \u0645\u062f\u0644 DO \u062f\u0631 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631\u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f Fluent \u0628\u0627 \u0627\u0646\u0648\u0627\u0639 \u062a\u0648\u0627\u0628\u0639 \u0645\u0631\u062a\u0628\u0637 \u0628\u0627 \u0641\u0627\u0632 \u067e\u0631\u0627\u06a9\u0646\u0634 \u0633\u0627\u0632\u06af\u0627\u0631 \u0627\u0633\u062a. \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0627\u0632 \u062a\u0627\u0628\u0639 \u0641\u0627\u0632 \u0647\u0645\u06af\u0646\u060c \u062e\u0637\u06cc\u060c \u063a\u06cc\u0631 \u062e\u0637\u06cc\u060c \u062f\u0644\u062a\u0627-\u0627\u062f\u06cc\u0646\u06af\u062a\u0648\u0646 (Delta-Eddington) \u0648 \u06cc\u0627 \u062a\u0639\u0631\u06cc\u0641 \u0634\u062f\u0647 \u062a\u0648\u0633\u0637 \u06a9\u0627\u0631\u0628\u0631 (UDF) \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0646\u0645\u0648\u062f. <\/span><\/p>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u062a\u0627\u0628\u0639 \u0641\u0627\u0632 \u063a\u06cc\u0631 \u0647\u0645\u06af\u0646 \u062e\u0637\u06cc \u062f\u0631 \u0645\u0639\u0627\u062f\u0644\u0647 (10) \u0648 \u062a\u0627\u0628\u0639 \u0641\u0627\u0632 \u062f\u0644\u062a\u0627-\u0627\u062f\u06cc\u0646\u06af\u062a\u0648\u0646 \u062f\u0631 \u0645\u0639\u0627\u062f\u0644\u0647 (11) \u062a\u0639\u0631\u06cc\u0641 \u0634\u062f\u0647 \u0627\u0633\u062a. \u062f\u0631 \u0645\u0639\u0627\u062f\u0644\u0647 (10) <strong><em>S<\/em><\/strong> \u0628\u0631\u062f\u0627\u0631 \u06cc\u06a9\u0647 \u062f\u0631 \u062c\u0647\u062a \u067e\u0631\u0627\u06a9\u0646\u062f\u06af\u06cc \u0648 &#8216;<strong><em>S<\/em><\/strong>\u00a0\u0628\u0631\u062f\u0627\u0631 \u06cc\u06a9\u0647 \u062f\u0631 \u062c\u0647\u062a \u067e\u062f\u06cc\u062f\u0647 \u062a\u0627\u0628\u0634 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f.\u00a0<\/span><span style=\"color: #000000;\"> <strong><em>C<\/em><\/strong> \u0646\u06cc\u0632 \u0636\u0631\u06cc\u0628 \u062a\u0627\u0628\u0639 \u0641\u0627\u0632 \u063a\u06cc\u0631 \u0647\u0645\u06af\u0646 \u062e\u0637\u06cc \u0628\u0648\u062f\u0647 \u06a9\u0647 \u062c\u0632\u0621 \u062e\u0635\u0648\u0635\u06cc\u0627\u062a \u0633\u06cc\u0627\u0644 \u0627\u0633\u062a. \u0645\u0642\u062f\u0627\u0631 \u0627\u06cc\u0646 \u0636\u0631\u06cc\u0628 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0627\u0632 (1-) \u062a\u0627 (1) \u062a\u063a\u06cc\u06cc\u0631 \u06a9\u0646\u062f. \u0645\u0642\u062f\u0627\u0631 \u0645\u062b\u0628\u062a \u0628\u06cc\u0627\u0646\u06af\u0631 \u0627\u06cc\u0646\u0633\u062a \u06a9\u0647 \u0645\u06cc\u0632\u0627\u0646 \u0627\u0646\u0631\u0698\u06cc \u062a\u0627\u0628\u0634\u06cc \u062f\u0631 \u0628\u0627\u0644\u0627\u062f\u0633\u062a \u0628\u06cc\u0634\u062a\u0631 \u0627\u0632 \u067e\u0627\u06cc\u06cc\u0646 \u062f\u0633\u062a \u0627\u0633\u062a \u0648 \u0645\u0642\u062f\u0627\u0631 \u0645\u0646\u0641\u06cc \u0646\u06cc\u0632 \u0628\u06cc\u0627\u0646 \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u0647 \u0645\u06cc\u0632\u0627\u0646 \u0627\u0646\u0631\u0698\u06cc \u062a\u0627\u0628\u0634\u06cc \u062f\u0631 \u067e\u0627\u06cc\u06cc\u0646 \u062f\u0633\u062a \u0628\u06cc\u0634\u062a\u0631 \u0627\u0632 \u0628\u0627\u0644\u0627\u062f\u0633\u062a \u0627\u0633\u062a. \u0627\u0644\u0628\u062a\u0647 \u062f\u0631 \u0635\u0648\u0631\u062a\u06cc\u06a9\u0647 <strong><em>C<\/em><\/strong> \u0635\u0641\u0631 \u0628\u0627\u0634\u062f \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0646\u062a\u06cc\u062c\u0647 \u06af\u0631\u0641\u062a \u06a9\u0647 \u067e\u0631\u0627\u06a9\u0646\u062f\u06af\u06cc \u0647\u0645\u06af\u0646 \u0627\u0633\u062a. \u062f\u0631 \u0648\u0627\u0642\u0639 <strong><em>C<\/em><\/strong> \u0641\u0627\u06a9\u062a\u0648\u0631 \u062a\u0642\u0627\u0631\u0646 \u0645\u062d\u0648\u0631\u06cc \u0645\u06cc\u200c\u0628\u0627\u0634\u062f. \u062f\u0631 \u067e\u06cc\u0634\u200c\u0641\u0631\u0636 \u0646\u0631\u0645\u200c\u0627\u0641\u0632\u0627\u0631 FLUENT \u0646\u06cc\u0632 \u067e\u0631\u0627\u06a9\u0646\u062f\u06af\u06cc \u0647\u0645\u06af\u0646 \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a.<\/span><\/p>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u062f\u0631 \u0645\u0639\u0627\u062f\u0644\u0647 (11)\u060c \u062a\u0631\u0645 <strong><em>f\u060c<\/em><\/strong> \u0627\u0633\u0627\u0633\u0627 \u06a9\u0633\u0631 <strong><em>f<\/em><\/strong> \u0627\u0632 \u067e\u0631\u0627\u06a9\u0646\u0634 \u062e\u0627\u0631\u062c\u06cc (Out-Scaterring) \u0631\u0627 \u062f\u0631 \u0645\u0639\u0627\u062f\u0644\u0647 (10) \u062d\u0630\u0641 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0628\u0647 \u0639\u0628\u0627\u0631\u062a \u062f\u06cc\u06af\u0631 \u0628\u0631\u0627\u06cc <strong><em>f=1<\/em><\/strong><strong><em>\u060c <\/em><\/strong>\u0639\u0645\u0644\u06a9\u0631\u062f \u062a\u0627\u0628\u0639 \u0641\u0627\u0632 \u062f\u0644\u062a\u0627\u06cc \u0627\u062f\u06cc\u0646\u06af\u062a\u0648\u0646 \u0628\u0647 \u06af\u0648\u0646\u0647\u200c\u0627\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0627\u0646\u06af\u0627\u0631 \u0627\u0635\u0644\u0627 \u067e\u0631\u0627\u06a9\u0646\u062f\u06af\u06cc \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0631\u062f. \u0647\u0646\u06af\u0627\u0645 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062a\u0627\u0628\u0639 \u062f\u0644\u062a\u0627\u06cc \u0627\u062f\u06cc\u0646\u06af\u062a\u0648\u0646 \u0644\u0627\u0632\u0645\u0633\u062a \u0645\u0642\u0627\u062f\u06cc\u0631 <strong><em>C<\/em><\/strong> \u0648 <strong><em>f<\/em><\/strong> \u0645\u0634\u062e\u0635 \u06af\u0631\u062f\u062f. \u0647\u0646\u06af\u0627\u0645 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062a\u0627\u0628\u0639 \u062a\u0639\u0631\u06cc\u0641\u06cc \u062a\u0648\u0633\u0637 \u06a9\u0627\u0631\u0628\u0631 (UDF) \u062f\u0631 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 Fluent\u060c \u0627\u06cc\u0646 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 \u062a\u0627\u0628\u0639 \u0645\u0630\u06a9\u0648\u0631 \u0631\u0627 \u062f\u0631 \u0645\u0639\u0627\u062f\u0644\u0647 (12) \u0628\u06a9\u0627\u0631 \u0645\u06cc\u200c\u06af\u06cc\u0631\u062f. \u062a\u0627\u0628\u0639 \u0641\u0627\u0632 \u067e\u0631\u0627\u06a9\u0646\u0634 \u062f\u0631 \u062f\u0633\u062a\u0631\u0633 \u0628\u0631\u0627\u06cc \u062a\u0627\u0628\u0634 \u062e\u0627\u06a9\u0633\u062a\u0631\u06cc \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0628\u0631\u0627\u06cc \u062a\u0627\u0628\u0634 \u063a\u06cc\u0631 \u062e\u0627\u06a9\u0633\u062a\u0631\u06cc \u0646\u06cc\u0632 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u0648\u062f. \u0628\u0647 \u0647\u0631 \u0635\u0648\u0631\u062a \u0627\u0646\u0631\u0698\u06cc \u067e\u0631\u0627\u06a9\u0646\u062f\u0647 \u0634\u062f\u0647\u060c \u0645\u062d\u062f\u0648\u062f \u0628\u0647 \u0645\u0627\u0646\u062f\u0646 \u062f\u0631 \u067e\u0647\u0646\u0627\u06cc \u0628\u0627\u0646\u062f \u0645\u0648\u0631\u062f \u0628\u0631\u0631\u0633\u06cc \u0645\u06cc\u200c\u0628\u0627\u0634\u062f.<\/span><\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8159 size-full\" src=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-Anisotropic-Scattering.png\" alt=\"\u0645\u0639\u0627\u062f\u0644\u0627\u062a \u067e\u0631\u0627\u06a9\u0646\u0634 \u063a\u06cc\u0631 \u0647\u0645\u06af\u0646 \u062f\u0631 \u0645\u062f\u0644 DO\" width=\"736\" height=\"286\" srcset=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-Anisotropic-Scattering.png 736w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-Anisotropic-Scattering-300x117.png 300w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-Anisotropic-Scattering-360x140.png 360w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-Anisotropic-Scattering-600x233.png 600w\" sizes=\"auto, (max-width: 736px) 100vw, 736px\" \/><\/p>\r\n<h3 style=\"text-align: right;\"><span style=\"color: #800000;\"><strong>\u0627\u062b\u0631\u0627\u062a \u0630\u0631\u0627\u062a \u062f\u0631 \u0645\u062f\u0644 \u062a\u0634\u0639\u0634\u0639 DO<\/strong><\/span><\/h3>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u062f\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062f\u0644 DO \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0627\u062b\u0631 \u0641\u0627\u0632 \u062b\u0627\u0646\u0648\u06cc\u0647 \u06af\u0633\u0633\u062a\u0647 \u0645\u062a\u0634\u06a9\u0644 \u0627\u0632 \u0630\u0631\u0627\u062a (\u062f\u0631 \u062c\u0631\u06cc\u0627\u0646\u200c\u0647\u0627\u06cc \u0686\u0646\u062f \u0641\u0627\u0632\u06cc) \u0631\u0627 \u0628\u0631 \u0627\u0646\u062a\u0642\u0627\u0644 \u062d\u0631\u0627\u0631\u062a \u062a\u0627\u0628\u0634\u06cc \u0644\u062d\u0627\u0638 \u0646\u0645\u0648\u062f. \u062f\u0631 \u0686\u0646\u06cc\u0646 \u0634\u0631\u0627\u06cc\u0637\u06cc \u0627\u0632 \u0633\u0627\u06cc\u0631 \u0645\u0646\u0627\u0628\u0639 \u067e\u0631\u0627\u06a9\u0646\u0634 \u062f\u0631 \u0641\u0627\u0632 \u06af\u0627\u0632\u06cc \u0635\u0631\u0641 \u0646\u0638\u0631 \u0645\u06cc\u200c\u0634\u0648\u062f. \u062f\u0631 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 Fluent \u0646\u06cc\u0632 \u0627\u06cc\u0646\u06af\u0648\u0646\u0647 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f. \u0628\u0637\u0648\u0631 \u06a9\u0644\u06cc \u0633\u0647\u0645 \u0641\u0627\u0632 \u0630\u0631\u0627\u062a \u062d\u0627\u0636\u0631 \u062f\u0631 \u0645\u0639\u0627\u062f\u0644\u0627\u062a RTE \u0637\u0628\u0642 \u0645\u0639\u0627\u062f\u0644\u0647 (13) \u062a\u0639\u06cc\u06cc\u0646 \u0645\u06cc\u200c\u06af\u0631\u062f\u062f.<\/span><\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8162 size-full\" src=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-Particle-equation.png\" alt=\"\u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0627\u062b\u0631 \u0630\u0631\u0647 \u062f\u0631 \u0645\u062f\u0644 DO\" width=\"739\" height=\"342\" srcset=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-Particle-equation.png 739w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-Particle-equation-300x139.png 300w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-Particle-equation-360x167.png 360w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-Particle-equation-600x278.png 600w\" sizes=\"auto, (max-width: 739px) 100vw, 739px\" \/><\/p>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0628\u0631\u0627\u06cc \u062a\u0627\u0628\u0634 \u063a\u06cc\u0631 \u062e\u0627\u06a9\u0633\u062a\u0631\u06cc \u062c\u0630\u0628\u060c \u0627\u0646\u062a\u0634\u0627\u0631 \u0648 \u067e\u0631\u0627\u06a9\u0646\u0634 \u0646\u0627\u0634\u06cc \u0627\u0632 \u0641\u0627\u0632 \u0630\u0631\u0647 \u062f\u0631 \u067e\u0647\u0646\u0627\u06cc \u0628\u0627\u0646\u062f \u0647\u0631 \u0637\u0648\u0644 \u0645\u0648\u062c\u06cc \u0628\u0631\u0627\u06cc \u0645\u062d\u0627\u0633\u0628\u0627\u062a \u062a\u0627\u0628\u0634 \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f. \u0644\u0627\u0632\u0645 \u0628\u0647 \u0630\u06a9\u0631 \u0627\u0633\u062a \u06a9\u0647 \u062a\u0631\u0645\u200c\u0647\u0627\u06cc \u062c\u0630\u0628 \u0648 \u0627\u0646\u062a\u0634\u0627\u0631 \u0630\u0631\u0627\u062a \u062f\u0631 \u0645\u0639\u0627\u062f\u0644\u0647 \u0627\u0646\u0631\u0698\u06cc \u0646\u06cc\u0632 \u0648\u0627\u0631\u062f \u0645\u06cc\u200c\u0634\u0648\u062f.<\/span><\/p>\r\n<h3 style=\"text-align: right;\"><span style=\"color: #000000;\"><a style=\"color: #000000;\" name=\"_Toc33515926\"><\/a><span style=\"color: #800000;\"><strong>\u0631\u0641\u062a\u0627\u0631 \u0634\u0631\u0627\u06cc\u0637 \u0645\u0631\u0632\u06cc \u0648 \u0646\u0648\u0627\u062d\u06cc \u067e\u06cc\u0648\u0633\u062a\u06af\u06cc \u062f\u0631 \u062f\u06cc\u0648\u0627\u0631\u0647\u200c\u0647\u0627\u06cc \u0645\u0627\u062a<\/strong><\/span><\/span><\/h3>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u062f\u0631 \u0645\u062f\u0644 \u062a\u0634\u0639\u0634\u0639 DO \u0627\u0645\u06a9\u0627\u0646 \u062a\u0639\u0631\u06cc\u0641 \u062f\u06cc\u0648\u0627\u0631\u0647 \u0645\u0627\u062a \u062f\u0631 \u0647\u0631 \u06a9\u062c\u0627\u06cc \u062f\u0627\u0645\u0646\u0647 \u0645\u062d\u0627\u0633\u0628\u0627\u062a\u06cc \u0627\u0632 \u062c\u0645\u0644\u0647 \u062f\u0627\u062e\u0644 \u062f\u0627\u0645\u0646\u0647\u060c \u0645\u0631\u0632 \u0628\u06cc\u0646 \u0646\u0648\u0627\u062d\u06cc \u0633\u06cc\u0627\u0644 \u0648 \u062c\u0627\u0645\u062f\u060c \u0645\u0631\u0632 \u0628\u06cc\u0646 \u062f\u0648 \u0646\u0627\u062d\u06cc\u0647 \u062c\u0627\u0645\u062f \u06cc\u0627 \u0633\u06cc\u0627\u0644 \u0648 \u0647\u0645\u0686\u0646\u06cc\u0646 \u0645\u0631\u0632 \u0628\u06cc\u0631\u0648\u0646\u06cc\u060c \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f. \u062f\u0631 \u0634\u0628\u06cc\u0647 \u0633\u0627\u0632\u06cc \u062a\u0627\u0628\u0634 \u062e\u0627\u06a9\u0633\u062a\u0631\u06cc\u060c \u062f\u06cc\u0648\u0627\u0631\u0647\u200c\u0647\u0627\u06cc \u0645\u0627\u062a \u0631\u0641\u062a\u0627\u0631\u06cc \u0634\u0628\u06cc\u0647 \u062c\u0633\u0645 \u062e\u0627\u06a9\u0633\u062a\u0631\u06cc \u0627\u0632 \u062e\u0648\u062f \u0646\u0634\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u0646\u062f. \u062f\u0631 \u0634\u06a9\u0644 (6) \u0634\u0645\u0627\u062a\u06cc\u06a9\u06cc \u0627\u0632 \u062a\u0627\u0628\u0634 \u0631\u0648\u06cc \u062f\u06cc\u0648\u0627\u0631\u0647 \u0645\u0627\u062a \u062f\u0631 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 Fluent \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a.<\/span><\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8166 size-full\" src=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/opaque-wall.png\" alt=\"\u0631\u0641\u062a\u0627\u0631 \u062f\u06cc\u0648\u0627\u0631\u0647 \u0645\u0627\u062a \u062f\u0631 \u0645\u062f\u0644 DO\" width=\"504\" height=\"376\" srcset=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/opaque-wall.png 504w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/opaque-wall-300x224.png 300w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/opaque-wall-360x270.png 360w\" sizes=\"auto, (max-width: 504px) 100vw, 504px\" \/><\/p>\r\n<p style=\"text-align: center;\"><strong><span style=\"color: #000000;\">\u0634\u06a9\u0644-6: \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc \u062a\u0627\u0628\u0634 \u0631\u0648\u06cc \u062f\u06cc\u0648\u0627\u0631\u0647 \u0645\u0627\u062a \u062f\u0631 \u0645\u062f\u0644 DO<\/span><\/strong><\/p>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u062f\u0631 \u0634\u06a9\u0644 \u0641\u0648\u0642 \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0647 \u0634\u062f\u0647\u060c \u0628\u062e\u0634\u06cc \u0627\u0632 \u0627\u0646\u0631\u0698\u06cc \u062a\u0627\u0628\u0634\u06cc \u0648\u0631\u0648\u062f\u06cc\u060c <strong><em>q<sub>in,a<\/sub><\/em><\/strong>\u060c \u0628\u0635\u0648\u0631\u062a\u200c\u0647\u0627\u06cc \u0622\u0626\u06cc\u0646\u0647\u200c\u0627\u06cc (Specular) \u0648 \u067e\u062e\u0634\u06cc (Diffuse) \u0648 \u0628\u0633\u062a\u0647 \u0628\u0647 \u06a9\u0633\u0631 \u0627\u0646\u062a\u0634\u0627\u0631 <strong><em>f<sub>d<\/sub><\/em><\/strong> \u062f\u0631 \u0637\u0631\u0641 <strong><em>a<\/em><\/strong> \u062f\u06cc\u0648\u0627\u0631\u0647 \u06a9\u0647 \u062a\u0648\u0633\u0637 \u06a9\u0627\u0631\u0628\u0631 \u062f\u0631 \u0634\u0631\u0627\u06cc\u0637 \u0645\u0631\u0632\u06cc \u062f\u06cc\u0648\u0627\u0631\u0647 \u0645\u0634\u062e\u0635 \u0645\u06cc\u200c\u06af\u0631\u062f\u062f\u060c \u0628\u0627\u0632\u062a\u0627\u0628\u06cc\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f. \u0628\u062e\u0634\u06cc \u0646\u06cc\u0632 \u062c\u0630\u0628 \u062f\u06cc\u0648\u0627\u0631\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f (Absorbed). \u0627\u0632 \u0637\u0631\u0641\u06cc \u062e\u0648\u062f \u062f\u06cc\u0648\u0627\u0631\u0647 \u0646\u06cc\u0632 \u062f\u0627\u0631\u0627\u06cc \u062a\u0634\u0639\u0634\u0639 (Emmision) \u0628\u0648\u062f\u0647 \u0648 \u0628\u0633\u062a\u0647 \u0628\u0647 \u0642\u0627\u0628\u0644\u06cc\u062a \u062a\u0634\u0639\u0634\u0639 (Emissivity) \u0648 \u06a9\u0633\u0631 \u0627\u0646\u062a\u0634\u0627\u0631 (Diffuse Fraction: <strong><em>f<sub>d<\/sub><\/em><\/strong>) \u0627\u0646\u0631\u0698\u06cc \u0627\u0632 \u0637\u062d \u0622\u0646 \u0633\u0627\u0637\u0639 \u0645\u06cc\u200c\u0634\u0648\u062f. \u0628\u0631\u0627\u06cc \u0645\u062f\u0644\u200c\u0647\u0627\u06cc DO \u063a\u06cc\u0631 \u062e\u0627\u06a9\u0633\u062a\u0631\u06cc \u0644\u0627\u0632\u0645\u0633\u062a \u062a\u0634\u0639\u0634\u0639 \u062f\u0627\u062e\u0644\u06cc \u0628\u0631\u0627\u06cc \u0647\u0631 \u0628\u0627\u0646\u062f \u0637\u0648\u0644 \u0645\u0648\u062c \u0645\u0634\u062e\u0635 \u06af\u0631\u062f\u062f. \u0642\u0627\u0628\u0644 \u062a\u0648\u062c\u0647 \u0627\u0633\u062a \u062a\u0627\u0628\u0634 \u0627\u0632 \u0628\u06cc\u0646 \u062f\u06cc\u0648\u0627\u0631\u0647 \u0645\u0627\u062a \u0639\u0628\u0648\u0631 \u0646\u06a9\u0631\u062f\u0647 \u0648 \u0627\u0646\u062a\u0642\u0627\u0644 \u0646\u0645\u06cc\u200c\u06cc\u0627\u0628\u062f.<\/span><\/p>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0627\u0646\u0631\u0698\u06cc \u062a\u0627\u0628\u0634\u06cc \u0648\u0631\u0648\u062f\u06cc \u0628\u0647 \u062f\u06cc\u0648\u0627\u0631\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0628\u0647 \u0646\u0648\u0627\u062d\u06cc \u0627\u0637\u0631\u0627\u0641 \u0628\u0627\u0632\u062a\u0627\u0628 \u06cc\u0627\u0641\u062a\u0647 \u06cc\u0627 \u0627\u06cc\u0646\u06a9\u0647 \u062c\u0630\u0628 \u0622\u0646 \u0634\u0648\u062f. \u062a\u0627\u0628\u0634 \u0628\u0627\u0632\u062a\u0627\u0628 \u06cc\u0627\u0641\u062a\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0628\u0635\u0648\u0631\u062a \u067e\u062e\u0634\u06cc \u06cc\u0627 \u0622\u0626\u06cc\u0646\u0647\u200c\u0627\u06cc (\u0645\u062a\u0645\u0631\u06a9\u0632)\u060c \u0628\u0633\u062a\u0647 \u0628\u0647 \u06a9\u0633\u0631 \u0627\u0646\u062a\u0634\u0627\u0631\u060c <strong><em>f<sub>d<\/sub><\/em><\/strong> \u060c \u0645\u0646\u0639\u06a9\u0633 \u06af\u0631\u062f\u062f. \u0628\u0627 \u0641\u0631\u0636 <strong><em>q<sub>in<\/sub><\/em><\/strong> \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u0642\u062f\u0627\u0631 \u0627\u0646\u0631\u0698\u06cc \u0648\u0627\u0631\u062f \u0628\u0631 \u062f\u06cc\u0648\u0627\u0631\u0647 \u0645\u0627\u062a\u060c \u0645\u0642\u0627\u062f\u06cc\u0631 \u0639\u0645\u0648\u0645\u06cc \u0645\u062d\u0627\u0633\u0628\u0647 \u0634\u062f\u0647 \u0628\u0631\u0627\u06cc \u062f\u06cc\u0648\u0627\u0631\u0647 \u0645\u0627\u062a \u062f\u0631 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 Fluent \u0639\u0628\u0627\u0631\u062a\u0646\u062f \u0627\u0632:<\/span><\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8170 size-full\" src=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-Maat-1.png\" alt=\"\u062f\u06cc\u0648\u0631\u0627\u0647-\u0645\u0627\u062a-1\" width=\"736\" height=\"193\" srcset=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-Maat-1.png 736w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-Maat-1-300x79.png 300w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-Maat-1-360x94.png 360w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-Maat-1-600x157.png 600w\" sizes=\"auto, (max-width: 736px) 100vw, 736px\" \/><\/p>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u06a9\u0647 <strong><em>f<sub>d<\/sub><\/em><\/strong> \u06a9\u0633\u0631 \u0627\u0646\u062a\u0634\u0627\u0631\u060c <strong><em>n<\/em><\/strong> \u0636\u0631\u06cc\u0628 \u0634\u06a9\u0633\u062a\u060c <strong><em>\u03b5<\/em><\/strong><strong><em><sub>w<\/sub><\/em><\/strong> \u0642\u0627\u0628\u0644\u06cc\u062a \u062a\u0634\u0639\u0634\u0639 \u062f\u06cc\u0648\u0627\u0631\u0647\u060c <strong><em>\u03c3<\/em><\/strong> \u062b\u0627\u0628\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0646 \u0628\u0648\u0644\u062a\u0632\u0645\u0646 \u0648 <strong><em>T<sub>W<\/sub><\/em><\/strong> \u062f\u0645\u0627\u06cc \u062f\u06cc\u0648\u0627\u0631\u0647 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f. \u0628\u0627\u06cc\u062f \u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u060c \u0627\u06af\u0631 \u0686\u0647 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 Fluent \u0627\u0632 \u0642\u0627\u0628\u0644\u06cc\u062a \u062a\u0634\u0639\u0634\u0639 \u062f\u0631 \u0645\u062d\u0627\u0633\u0628\u0627\u062a \u0645\u0642\u0627\u062f\u06cc\u0631 \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u0647\u0627\u06cc \u062a\u0627\u0628\u0634\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f\u060c \u0627\u0645\u0627 \u0627\u0632 \u06af\u0632\u06cc\u0646\u0647 \u0648 \u0642\u0627\u0628\u0644\u06cc\u062a\u06cc \u0628\u0631\u0627\u06cc \u0646\u0645\u0627\u06cc\u0634 \u0646\u062a\u0627\u06cc\u062c \u0622\u0646\u200c\u0647\u0627 \u062f\u0631 \u0645\u0627\u0698\u0648\u0644 \u067e\u0633 \u067e\u0631\u062f\u0627\u0632\u0634 (Post-Processing) \u0628\u0631\u062e\u0648\u0631\u062f\u0627\u0631 \u0646\u06cc\u0633\u062a. \u0628\u0631\u0627\u06cc \u0645\u062d\u0627\u0633\u0628\u0647 \u0645\u06cc\u0632\u0627\u0646 \u062c\u0630\u0628 \u0627\u0646\u0631\u0698\u06cc \u062a\u0627\u0628\u0634\u06cc \u062a\u0648\u0633\u0637 \u062f\u06cc\u0648\u0627\u0631\u0647\u060c \u0641\u0631\u0636 \u0628\u0631 \u0627\u06cc\u0646\u0633\u062a \u06a9\u0647 \u0636\u0631\u06cc\u0628 \u062c\u0630\u0628 \u0628\u0627 \u0636\u0631\u06cc\u0628 \u062a\u0634\u0639\u0634\u0639 \u0628\u0631\u0627\u0628\u0631 \u0627\u0633\u062a. \u0628\u0631\u0627\u06cc \u06cc\u06a9 \u062f\u06cc\u0648\u0627\u0631\u0647 \u06a9\u0627\u0645\u0644\u0627 \u0627\u0646\u062a\u0634\u0627\u0631 \u062f\u0647\u0646\u062f <strong><em>f<sub>d<\/sub><\/em><\/strong> <strong><em>=1<\/em><\/strong> \u0628\u0648\u062f\u0647 \u0648 \u0647\u06cc\u0686 \u06af\u0648\u0646\u0647 \u0627\u0646\u0631\u0698\u06cc \u0627\u0646\u0639\u06a9\u0627\u0633\u06cc \u0622\u0626\u06cc\u0646\u0647\u200c\u0627\u06cc \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0631\u062f. \u0628\u0637\u0648\u0631 \u0645\u0634\u0627\u0628\u0647 \u0628\u0631\u0627\u06cc \u06cc\u06a9 \u062f\u06cc\u0648\u0627\u0631\u0647 \u06a9\u0627\u0645\u0644\u0627 \u0622\u0626\u06cc\u0646\u0647\u200c\u0627\u06cc\u060c <strong><em>f<sub>d<\/sub><\/em><\/strong> <strong><em>=0<\/em><\/strong> \u0628\u0648\u062f\u0647 \u0648 \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0645\u0642\u062f\u0627\u0631 \u0627\u0646\u0631\u0698\u06cc \u0627\u0646\u0639\u06a9\u0627\u0633\u06cc \u067e\u062e\u0634\u06cc \u0646\u06cc\u0632 \u0635\u0641\u0631 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f. \u062a\u0627\u0628\u0639 \u0627\u0646\u062a\u0634\u0627\u0631 \u0628\u06cc\u0646 <strong>0<\/strong> \u0648 <strong><em>1<\/em><\/strong> \u0628\u06cc\u0627\u0646\u06af\u0631 \u0627\u0646\u0631\u0698\u06cc \u0627\u0646\u0639\u06a9\u0627\u0633\u06cc \u062f\u0631 \u0647\u0631 \u062f\u0648\u0635\u0648\u0631\u062a \u067e\u062e\u0634\u06cc \u0648 \u0622\u0626\u06cc\u0646\u0647\u200c\u0627\u06cc \u0627\u0633\u062a.<\/span><\/p>\r\n<h4 style=\"text-align: right;\"><span style=\"color: #000000;\"><a style=\"color: #000000;\" name=\"_Toc33515927\"><\/a><span style=\"color: #ff0000;\"><strong>\u062f\u06cc\u0648\u0627\u0631\u0647\u200c\u0647\u0627\u06cc \u062e\u0627\u06a9\u0633\u062a\u0631\u06cc(Gray Diffuse Walls)<\/strong><\/span><\/span><\/h4>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0628\u0631\u0627\u06cc \u062a\u0627\u0628\u0634 \u0627\u0646\u062a\u0634\u0627\u0631 \u062e\u0627\u06a9\u0633\u062a\u0631\u06cc\u060c \u0634\u0627\u0631 \u062d\u0631\u0627\u0631\u062a\u06cc \u062a\u0627\u0628\u0634\u06cc \u0648\u0631\u0648\u062f\u06cc\u060c <strong><em>q<sub>in<\/sub><\/em><\/strong>\u060c \u062f\u0631 \u062f\u06cc\u0648\u0627\u0631\u0647 \u0648 \u0634\u0627\u0631 \u062d\u0631\u0627\u0631\u062a\u06cc \u062a\u0627\u0628\u0634\u06cc \u062e\u0631\u0648\u062c\u06cc\u060c <strong><em>q<sub>out<\/sub><\/em><\/strong> \u0628\u0635\u0648\u0631\u062a \u0645\u0639\u0627\u062f\u0644\u0627\u062a (17) \u0648 (18) \u062a\u0639\u0631\u06cc\u0641 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f. \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0639\u0627\u062f\u0644\u0627\u062a <strong><em>n<\/em><\/strong> \u0636\u0631\u06cc\u0628 \u0634\u06a9\u0633\u062a\u060c <strong><em>\u03b5<\/em><\/strong><strong><em><sub>w<\/sub><\/em><\/strong> \u0642\u0627\u0628\u0644\u06cc\u062a \u062a\u0634\u0639\u0634\u0639 \u062f\u06cc\u0648\u0627\u0631\u0647\u060c <strong><em>\u03c3<\/em><\/strong> \u062b\u0627\u0628\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0646 \u0628\u0648\u0644\u062a\u0632\u0645\u0646 \u0648 <strong><em>T<sub>W<\/sub><\/em><\/strong> \u062f\u0645\u0627\u06cc \u062f\u06cc\u0648\u0627\u0631\u0647 \u0645\u06cc\u200c\u0628\u0627\u0634\u0646\u062f. \u0642\u0627\u0628\u0644 \u062a\u0648\u062c\u0647 \u0627\u0633\u062a \u0627\u06cc\u0646 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0628\u0631\u0627\u06cc \u062a\u0627\u0628\u0634 \u0622\u0626\u06cc\u0646\u0647\u200c\u0627\u06cc \u0628\u0627 \u0642\u0627\u0628\u0644\u06cc\u062a \u062a\u0634\u0639\u0634\u0639 <strong><em>\u03b5<\/em><\/strong><strong><em><sub>w<\/sub><\/em><\/strong><strong><em>=0<\/em><\/strong> \u0646\u06cc\u0632 \u0635\u0627\u062f\u0642 \u0647\u0633\u062a\u0646\u062f. \u0634\u062f\u062a \u062a\u0627\u0628\u0634 \u062e\u0631\u0648\u062c\u06cc \u0627\u0632 \u062f\u06cc\u0648\u0627\u0631\u0647\u060c <strong><em>I<sub>O<\/sub><\/em><\/strong>\u060c \u062f\u0631 \u062c\u0647\u062a \u0628\u0631\u062f\u0627\u0631 <strong><em>S<\/em><\/strong> \u0646\u06cc\u0632 \u0627\u0632 \u0631\u0627\u0628\u0637\u0647 (19) \u0645\u062d\u0627\u0633\u0628\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/span><\/p>\r\n<p style=\"text-align: right;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8174 size-full\" src=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-gray-wall.png\" alt=\"\u0645\u0639\u0627\u062f\u0644\u0627\u062a \u062f\u06cc\u0648\u0631\u0627\u0647 \u062e\u0627\u06a9\u0633\u062a\u0631\u06cc \u062f\u0631 \u0645\u062f\u0644 do\" width=\"747\" height=\"187\" srcset=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-gray-wall.png 747w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-gray-wall-300x75.png 300w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-gray-wall-360x90.png 360w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-gray-wall-600x150.png 600w\" sizes=\"auto, (max-width: 747px) 100vw, 747px\" \/><\/p>\r\n<h4 style=\"text-align: right;\"><span style=\"color: #000000;\"><a style=\"color: #000000;\" name=\"_Toc33515928\"><\/a><strong><span style=\"color: #ff0000;\">\u062f\u06cc\u0648\u0627\u0631\u0647\u200c\u0647\u0627\u06cc \u063a\u06cc\u0631 \u062e\u0627\u06a9\u0633\u062a\u0631\u06cc<\/span><\/strong><\/span><\/h4>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u062f\u0633\u062a\u0647 \u0645\u0634\u062e\u0635\u06cc \u0627\u0632 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u0628\u0637\u0648\u0631 \u062e\u0627\u0635 \u0628\u0631\u0627\u06cc \u062f\u06cc\u0648\u0627\u0631\u0647\u200c\u0647\u0627\u06cc \u0645\u0627\u062a \u063a\u06cc\u0631 \u062e\u0627\u06a9\u0633\u062a\u0631\u06cc \u0628\u06a9\u0627\u0631 \u0645\u06cc\u200c\u0631\u0648\u0646\u062f. \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0641\u0631\u0636 \u0628\u0631 \u0627\u06cc\u0646\u0633\u062a \u06a9\u0647 \u0642\u0627\u0628\u0644\u06cc\u062a \u062c\u0630\u0628 \u0628\u0627 \u0642\u0627\u0628\u0644\u06cc\u062a \u062a\u0634\u0639\u0634\u0639 \u0633\u0637\u062d \u062f\u06cc\u0648\u0627\u0631\u0647 \u0628\u0627 \u0647\u0645 \u0628\u0631\u0627\u0628\u0631\u0646\u062f. \u0628\u0631\u0627\u06cc \u062a\u0627\u0628\u0634 \u063a\u06cc\u0631 \u062e\u0627\u06a9\u0633\u062a\u0631\u06cc\u060c \u0634\u0627\u0631 \u062d\u0631\u0627\u0631\u062a\u06cc \u062a\u0627\u0628\u0634\u06cc \u0648\u0631\u0648\u062f\u06cc\u060c <strong><em>q<sub>in<\/sub><\/em><\/strong>\u060c \u062f\u0631 \u0628\u0627\u0646\u062f <strong><em>\u03bb\u0394<\/em><\/strong> \u0628\u0631 \u0631\u0648\u06cc \u062f\u06cc\u0648\u0627\u0631\u0647 \u0628\u0635\u0648\u0631\u062a \u0645\u0639\u0627\u062f\u0644\u0647 (20) \u0645\u06cc\u200c\u0628\u0627\u0634\u062f. \u0634\u0627\u0631 \u062d\u0631\u0627\u0631\u062a\u06cc \u062a\u0627\u0628\u0634\u06cc \u062e\u0631\u0648\u062c\u06cc\u060c <strong><em>q<sub>out<\/sub><\/em><\/strong>\u060c \u062f\u0631 \u0628\u0627\u0646\u062f <strong><em>\u03bb\u0394<\/em><\/strong> \u0646\u06cc\u0632 \u0647\u0645\u0627\u0646\u0646\u062f \u0645\u0639\u0627\u062f\u0644\u0647 (21) \u062a\u0639\u0631\u06cc\u0641 \u0645\u06cc\u200c\u0634\u0648\u062f. \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0639\u0627\u062f\u0644\u0647 <strong><em>\u03b5<\/em><\/strong><strong><em><sub>w<\/sub><\/em><\/strong><strong><em><sub>\u03bb<\/sub><\/em><\/strong> \u0642\u0627\u0628\u0644\u06cc\u062a \u062a\u0634\u0639\u0634\u0639 \u062f\u06cc\u0648\u0627\u0631\u0647 \u062f\u0631 \u0628\u0627\u0646\u062f <strong><em>\u03bb\u0394<\/em><\/strong> \u0648 <strong><em>F(n, <\/em><\/strong><strong><em>\u03bb<\/em><\/strong><strong><em>, T)<\/em><\/strong> \u062a\u0627\u0628\u0639 \u062a\u0648\u0632\u06cc\u0639 \u067e\u0644\u0627\u0646\u06a9 \u0647\u0633\u062a\u0646\u062f. \u0631\u0648\u0627\u0628\u0637 \u0645\u0630\u06a9\u0648\u0631 \u0646\u0634\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u0646\u062f \u06a9\u0647 \u062a\u0634\u0639\u0634\u0639 \u0628\u0631\u0627\u06cc \u0647\u0631 \u0628\u0627\u0646\u062f \u062a\u0627\u0628\u0634 \u0628\u0635\u0648\u0631\u062a \u062a\u0627\u0628\u0639\u06cc \u0627\u0632 \u062f\u0645\u0627\u06cc \u0633\u0637\u062d \u0645\u0646\u0628\u0639 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f. \u0646\u06a9\u062a\u0647 \u0627\u062e\u0631 \u0627\u06cc\u0646\u06a9\u0647 \u0634\u062f\u062a \u062a\u0627\u0628\u0634 \u0645\u0631\u0632\u06cc \u062e\u0631\u0648\u062c\u06cc \u0628\u0631\u0627\u06cc \u062a\u0645\u0627\u0645 \u062c\u0647\u0627\u062a \u0628\u0631\u062f\u0627\u0631 <strong><em>S<\/em><\/strong> \u0637\u0628\u0642 \u0645\u0639\u0627\u062f\u0644\u0647 (22) \u0645\u062d\u0627\u0633\u0628\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/span><\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8178 size-full\" src=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-non-gray-wall.png\" alt=\"\u0645\u0639\u0627\u062f\u0644\u0627\u062a \u062f\u06cc\u0648\u0627\u0631\u0647 \u063a\u06cc\u0631 \u062e\u0627\u06a9\u0633\u062a\u0631\u06cc \u062f\u0631 \u0645\u062f\u0644 do\" width=\"738\" height=\"182\" srcset=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-non-gray-wall.png 738w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-non-gray-wall-300x74.png 300w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-non-gray-wall-360x89.png 360w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-non-gray-wall-600x148.png 600w\" sizes=\"auto, (max-width: 738px) 100vw, 738px\" \/><\/p>\r\n<h3 style=\"text-align: right;\"><span style=\"color: #000000;\"><a style=\"color: #000000;\" name=\"_Toc33515929\"><\/a><span style=\"color: #800000;\"><strong>\u0631\u0641\u062a\u0627\u0631 \u0634\u0631\u0627\u06cc\u0637 \u0645\u0631\u0632\u06cc \u0648 \u062f\u0627\u0645\u0646\u0647 \u0645\u062d\u0627\u0633\u0628\u0627\u062a\u06cc \u062f\u0631 \u062f\u06cc\u0648\u0627\u0631\u0647\u200c\u0647\u0627\u06cc \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641<\/strong><\/span><\/span><\/h3>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u062f\u0631 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 Fluent \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u062f\u06cc\u0648\u0627\u0631\u0647\u200c\u0647\u0627\u06cc \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641 \u062f\u0627\u062e\u0644\u06cc \u0648 \u062e\u0627\u0631\u062c\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u0645\u062f\u0644 \u062a\u0634\u0639\u0634\u0639 DO \u062a\u0639\u0631\u06cc\u0641 \u0646\u0645\u0648\u062f. \u062f\u0631 \u062f\u06cc\u0648\u0627\u0631\u0647\u200c\u0647\u0627\u06cc \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641 \u062f\u0627\u062e\u0644\u06cc \u062a\u0627\u0628\u0634 \u0648\u0631\u0648\u062f\u06cc \u0628\u0647 \u062f\u06cc\u0648\u0627\u0631\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0627\u0632 \u0622\u0646 \u06af\u0630\u0634\u062a\u0647 \u0648 \u0628\u0647 \u0646\u0648\u0627\u062d\u06cc \u0645\u062c\u0627\u0648\u0631 \u0628\u0631\u0633\u062f \u06a9\u0647 \u0628\u0647 \u0627\u062d\u062a\u0645\u0627\u0644 \u0642\u0631\u06cc\u0628 \u0628\u0647 \u06cc\u0642\u06cc\u0646 \u0628\u0627 \u0634\u06a9\u0633\u062a \u067e\u0631\u062a\u0648\u0647\u0627 \u0647\u0645\u0631\u0627\u0647 \u0627\u0633\u062a. \u0647\u0645\u0686\u0646\u06cc\u0646 \u067e\u0631\u062a\u0648\u0647\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u0645\u0646\u0639\u06a9\u0633 \u0634\u062f\u0647 \u0648 \u06cc\u0627 \u062f\u0631 \u0628\u06cc\u0646 \u0636\u062e\u0627\u0645\u062a \u062f\u06cc\u0648\u0627\u0631\u0647 \u062c\u0630\u0628 \u0634\u0648\u0646\u062f. \u0627\u0646\u062a\u0642\u0627\u0644(Transmission) \u0648 \u0627\u0646\u0639\u06a9\u0627\u0633(Reflection) \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u0646\u062f \u0628\u0635\u0648\u0631\u062a \u0645\u062a\u0645\u0631\u06a9\u0632 (\u0622\u0626\u06cc\u0646\u0647\u200c\u0627\u06cc) \u0648 \u06cc\u0627 \u067e\u062e\u0634\u06cc (\u0627\u0646\u062a\u0634\u0627\u0631\u06cc) \u0628\u0627\u0634\u0646\u062f. \u0644\u0627\u0632\u0645\u0633\u062a \u0628\u0631\u0627\u06cc \u062a\u0645\u0627\u0645 \u062a\u0627\u0628\u0634\u200c\u0647\u0627\u06cc \u0627\u0646\u062a\u0642\u0627\u0644\u06cc \u0648 \u0627\u0646\u0639\u06a9\u0627\u0633\u06cc\u060c \u06a9\u0633\u0631 \u0627\u0646\u062a\u0634\u0627\u0631 \u062a\u0639\u06cc\u06cc\u0646 \u0634\u062f\u0647 \u0648 \u0628\u0631\u0627\u06cc \u0628\u0627\u0642\u06cc\u0645\u0627\u0646\u062f\u0647 \u0631\u0641\u062a\u0627\u0631\u06cc \u0622\u0626\u06cc\u0646\u0647\u200c\u0627\u06cc \u0645\u062a\u0635\u0648\u0631 \u0634\u062f. \u0628\u0631\u0627\u06cc \u062f\u06cc\u0648\u0627\u0631\u0647\u200c\u0647\u0627\u06cc \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641 \u062e\u0627\u0631\u062c\u06cc\u0641 \u062f\u0648 \u0645\u0646\u0628\u0639 \u0627\u062d\u062a\u0645\u0627\u0644\u06cc \u062a\u0627\u0628\u0634 \u0628\u0631 \u0631\u0648\u06cc \u062f\u06cc\u0648\u0627\u0631\u0647 \u0645\u062d\u062a\u0645\u0644 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f. \u0627\u0648\u0644 \u0628\u0631\u062e\u0648\u0631\u062f \u067e\u0631\u062a\u0648\u0647\u0627\u06cc \u062e\u0627\u0631\u062c \u0627\u0632 \u062f\u0627\u0645\u0646\u0647 \u0645\u062d\u0627\u0633\u0628\u0627\u062a\u06cc \u0628\u0647 \u0633\u0637\u062d \u062f\u06cc\u0648\u0627\u0631\u0647 (\u0645\u062b\u0644 \u067e\u0631\u062a\u0648\u0647\u0627\u06cc \u062e\u0648\u0631\u0634\u06cc\u062f) \u0648 \u062f\u0648\u0645 \u062a\u0627\u0628\u0634 \u0628\u0631\u062e\u0648\u0631\u062f\u06cc \u0628\u0647 \u062f\u06cc\u0648\u0627\u0631\u0647 \u0627\u0632 \u0627\u0644\u0645\u0627\u0646\u200c\u0647\u0627\u06cc \u0645\u062a\u0634\u06a9\u0644 \u0627\u0632 \u0627\u0632 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\u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u062f\u0631 \u0635\u0648\u0631\u062a\u06cc\u06a9\u0647 \u0627\u0644\u0645\u0627\u0646\u200c\u0647\u0627\u06cc \u0645\u062c\u0627\u0648\u0631 \u0628\u0647 \u0645\u0631\u0632 \u062f\u06cc\u0648\u0627\u0631\u0647\u060c \u0645\u062a\u0634\u06a9\u0644 \u0627\u0632 \u0645\u0627\u062f\u0647 \u062c\u0627\u0645\u062f \u0628\u0627\u0634\u0646\u062f\u060c \u0644\u0627\u0632\u0645\u0633\u062a \u0646\u0627\u062d\u06cc\u0647 \u062c\u0627\u0645\u062f \u0631\u0627 \u0646\u06cc\u0632 \u062f\u0631 \u0645\u062d\u0627\u0633\u0628\u0627\u062a \u0644\u062d\u0627\u0638 \u0646\u0645\u0648\u062f. \u0627\u06cc\u0646 \u0639\u0645\u0644 \u0628\u0627 \u0627\u0646\u062a\u062e\u0627\u0628 \u06af\u0632\u06cc\u0646\u0647 Participates In Radiation \u062f\u0631 \u0641\u0631\u0645 Solid\u060c \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/span><\/p>\r\n<h4 style=\"text-align: right;\"><span style=\"color: #000000;\"><a style=\"color: #000000;\" name=\"_Toc33515930\"><\/a><strong><span style=\"color: #ff0000;\">\u062f\u06cc\u0648\u0627\u0631\u0647\u200c\u0647\u0627\u06cc \u062f\u0627\u062e\u0644\u06cc \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641<\/span><\/strong><\/span><\/h4>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u062f\u0631 \u0634\u06a9\u0644 (7) \u0634\u0645\u0627\u062a\u06cc\u06a9\u06cc \u0627\u0632 \u0639\u0645\u0644\u06a9\u0631\u062f \u06cc\u06a9 \u062f\u06cc\u0648\u0627\u0631\u0647 \u062f\u0627\u062e\u0644\u06cc \u062f\u0648 \u0637\u0631\u0641 \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641 \u0628\u0627 \u0636\u062e\u0627\u0645\u062a \u0635\u0641\u0631 \u062f\u0631 \u0645\u0642\u0627\u0628\u0644 \u0627\u0646\u0631\u0698\u06cc \u062a\u0627\u0628\u0634\u06cc \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a. \u0627\u0646\u0631\u0698\u06cc \u062a\u0627\u0628\u0634\u06cc \u0628\u0631\u062e\u0648\u0631\u062f\u06cc \u0628\u0647 \u062f\u06cc\u0648\u0627\u0631\u0647 \u06a9\u0647 \u0628\u0627 <strong><em>q<sub>in<\/sub><\/em><\/strong> \u0645\u0634\u062e\u0635 \u0634\u062f\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0627\u0632 \u062f\u06cc\u0648\u0627\u0631\u0647 \u0634\u0641\u0627\u0641 \u0639\u0628\u0648\u0631 \u06a9\u0646\u062f \u0648 \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0622\u0646 \u0631\u0627 \u0628\u0627 \u0645\u0639\u0627\u062f\u0644\u0647 \u0627\u0646\u0631\u0698\u06cc \u06a9\u0648\u067e\u0644 \u06a9\u0631\u062f. \u0632\u0645\u0627\u0646\u06cc \u0627\u06cc\u0646 \u06a9\u0648\u067e\u0644\u06cc\u0646\u06af \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc\u200c\u0634\u0648\u062f \u06a9\u0647 \u062f\u06cc\u0648\u0627\u0631\u0647 \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641 \u062a\u0639\u0631\u06cc\u0641 \u0634\u0648\u062f. \u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u062f\u0631 \u0634\u06a9\u0644 \u0632\u06cc\u0631 \u067e\u06cc\u062f\u0627\u0633\u062a\u060c \u0627\u0646\u0631\u0698\u06cc \u062a\u0627\u0628\u0634\u06cc \u0628\u0631\u062e\u0648\u0631\u062f\u06cc \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0628\u0635\u0648\u0631 \u0645\u062a\u0645\u0631\u06a9\u0632 (Specular) \u0648 \u067e\u062e\u0634\u06cc (Diffuse) \u0627\u0632 \u0622\u0646 \u0639\u0628\u0648\u0631 \u06a9\u0646\u062f. \u0627\u0644\u0628\u062a\u0647 \u0627\u0645\u06a9\u0627\u0646 \u0628\u0627\u0632\u062a\u0627\u0628 \u0627\u0646\u0631\u0698\u06cc \u062a\u0627\u0628\u0634\u06cc \u0627\u0632 \u062f\u06cc\u0648\u0627\u0631\u0647 \u062f\u0627\u062e\u0644\u06cc \u0628\u0647 \u0645\u062d\u06cc\u0637 \u0627\u0648\u0644\u06cc\u0647 \u0646\u06cc\u0632 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f. \u0627\u06af\u0631 \u0636\u0631\u06cc\u0628 \u0634\u06a9\u0633\u062a \u062f\u0648 \u0637\u0631\u0641 \u062f\u06cc\u0648\u0627\u0631\u0647 \u0628\u0627\u0647 \u0645\u062a\u0641\u0627\u0648\u062a \u0628\u0627\u0634\u062f (<strong><em>n<sub>a<\/sub><\/em><\/strong><strong><em>\u2260<\/em><\/strong><strong><em>n<sub>b<\/sub><\/em><\/strong>)\u060c \u0622\u0646\u06af\u0627\u0647 \u0628\u0627\u0632\u062a\u0627\u0628\u0634 \u0646\u06cc\u0632 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0628\u0633\u062a\u0647 \u0628\u0647 \u06a9\u0633\u0631 \u0627\u0646\u062a\u0634\u0627\u0631\u060c <strong><em>d<sub>f<\/sub><\/em><\/strong>\u060c \u0628\u0635\u0648\u0631\u062a \u067e\u062e\u0634\u06cc\u060c \u0645\u062a\u0645\u0631\u06a9\u0632 \u0648 \u06cc\u0627 \u062a\u0631\u06a9\u06cc\u0628\u06cc \u0627\u0632 \u0647\u0631 \u062f\u0648 \u0628\u0627\u0634\u062f. \u062d\u0627\u0644\u062a\u200c\u0647\u0627\u06cc \u062e\u0627\u0635 \u0627\u0646\u062a\u0642\u0627\u0644 \u06cc\u0627 \u0628\u0627\u0632\u062a\u0627\u0628 \u0628\u0635\u0648\u0631\u062a\u200c\u0647\u0627\u06cc \u067e\u062e\u0634\u06cc \u062e\u0627\u0644\u0635 \u06cc\u0627 \u0645\u062a\u0645\u0631\u06a9\u0632 \u062e\u0627\u0644\u0635 \u062f\u0631 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\u062f\u06cc\u0648\u0627\u0631\u0647 \u062f\u06cc\u06af\u0631 \u0642\u062f\u0631\u062a\u06cc \u0628\u0631\u0627\u06cc \u062c\u0630\u0628 \u0627\u0646\u0631\u0698\u06cc \u062a\u0627\u0628\u0634\u06cc \u0646\u062f\u0627\u0631\u062f.<\/span><\/p>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">**\u0627\u06af\u0631 \u0686\u0647 \u0627\u0646\u0631\u0698\u06cc \u062a\u0627\u0628\u0634\u06cc \u062f\u0631 \u0628\u0631\u062e\u0631\u0648\u062f \u0628\u0627 \u062f\u06cc\u0648\u0627\u0631\u0647 \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641 \u062f\u0627\u0631\u0627\u06cc \u0636\u062e\u0627\u0645\u062a \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u062c\u0630\u0628 \u0622\u0646 \u0634\u0648\u062f\u060c \u0627\u0645\u0627 \u067e\u06cc\u0634 \u0641\u0631\u0636 \u0622\u0646 \u062f\u0631 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 Fluent \u0622\u0646\u0633\u062a \u06a9\u0647 \u0634\u0627\u0631 \u062a\u0627\u0628\u0634\u06cc \u062c\u0630\u0628 \u0634\u062f\u0647 \u0631\u0648\u06cc \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0627\u0646\u0631\u0698\u06cc \u062a\u0623\u062b\u06cc\u0631\u06cc \u0646\u062f\u0627\u0631\u062f. \u062f\u0631 \u0646\u062a\u06cc\u062c\u0647 \u0634\u0627\u0647\u062f \u0639\u062f\u0645 \u062a\u0648\u0627\u0632\u0646 \u0627\u0646\u0631\u0698\u06cc \u0648 \u062a\u0648\u0632\u06cc\u0639 \u0646\u0627\u0645\u0646\u0627\u0633\u0628 \u062f\u0645\u0627 \u062e\u0648\u0627\u0647\u06cc\u0645 \u0628\u0648\u062f.<\/span><\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8183 size-full\" src=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/semi-transparent-wall.png\" alt=\"\u0631\u0641\u062a\u0627\u0631 \u062f\u06cc\u0648\u0627\u0631\u0647 \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641 \u062f\u0631 \u0645\u062f\u0644 DO\" width=\"525\" height=\"376\" srcset=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/semi-transparent-wall.png 525w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/semi-transparent-wall-300x215.png 300w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/semi-transparent-wall-360x258.png 360w\" sizes=\"auto, (max-width: 525px) 100vw, 525px\" \/><\/p>\r\n<p style=\"text-align: center;\"><strong><span style=\"color: #000000;\">\u0634\u06a9\u0644-7: \u0639\u0645\u0644\u06a9\u0631\u062f \u06cc\u06a9 \u062f\u06cc\u0648\u0627\u0631\u0647 \u062f\u0627\u062e\u0644\u06cc \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641 \u062f\u0631 \u0628\u0631\u0627\u0628\u0631 \u0627\u0646\u0631\u0698\u06cc \u062a\u0627\u0628\u0634\u06cc.<\/span><\/strong><\/p>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u062f\u0631 \u0635\u0648\u0631\u062a\u06cc\u06a9\u0647 \u0627\u0632 \u0634\u0631\u0637 \u067e\u0648\u0633\u062a\u0647 (Shell) \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u0648\u062f\u060c \u0622\u0646\u06af\u0627\u0647 \u06a9\u0648\u067e\u0644 \u06a9\u0627\u0645\u0644 \u0628\u06cc\u0646 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0627\u0646\u0631\u0698\u06cc \u0648 \u062a\u0627\u0628\u0634 \u0628\u0648\u062c\u0648\u062f \u0645\u06cc\u200c\u0622\u06cc\u062f. \u0644\u0627\u0632\u0645 \u0628\u0647 \u0630\u06a9\u0631 \u0627\u0633\u062a \u0634\u0631\u0637 \u067e\u0648\u0633\u062a\u0647 \u062a\u0646\u0647\u0627 \u0628\u0631\u0627\u06cc \u0645\u0633\u0627\u0626\u0644 \u0633\u0647 \u0628\u0639\u062f\u06cc \u062f\u0631 \u062f\u0633\u062a\u0631\u0633 \u0627\u0633\u062a. \u062f\u0631 \u0634\u0631\u0627\u06cc\u0637\u06cc \u06a9\u0647 \u062f\u06cc\u0648\u0627\u0631\u0647 \u062f\u0627\u0631\u0627\u06cc \u0636\u0631\u06cc\u0628 \u062c\u0630\u0628\/\u0627\u0646\u062a\u0634\u0627\u0631(\u062a\u0634\u0639\u0634\u0639) \u0642\u0627\u0628\u0644 \u062a\u0648\u062c\u0647\u06cc \u0628\u0627\u0634\u062f\u060c \u0628\u0647\u062a\u0631 \u0627\u0633\u062a \u06a9\u0644 \u062f\u06cc\u0648\u0627\u0631\u0647 \u0628\u0635\u0648\u0631\u062a \u06cc\u06a9 \u0646\u0627\u062d\u06cc\u0647 \u062c\u0627\u0645\u062f \u0645\u062f\u0644\u0633\u0627\u0632\u06cc \u0634\u0648\u062f. \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 Fluent \u0634\u0627\u0645\u0644 \u06af\u0632\u06cc\u0646\u0647 \u062a\u0634\u0639\u0634\u0639 \u0627\u0632 \u0633\u0637\u062d \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641 \u0646\u0645\u06cc\u200c\u0628\u0627\u0634\u062f \u0645\u06af\u0631 \u0622\u0646\u06a9\u0647 \u0634\u0631\u0637 \u0645\u0631\u0632\u06cc \u062f\u0645\u0627 \u0628\u0631\u0627\u06cc \u0622\u0646 \u062a\u0639\u0631\u06cc\u0641 \u0634\u0648\u062f.<\/span><\/p>\r\n<h4 style=\"text-align: right;\"><span style=\"color: #ff0000;\"><strong>\u062f\u06cc\u0648\u0627\u0631\u0647\u200c\u0647\u0627\u06cc \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641 \u0622\u0626\u06cc\u0646\u0647\u200c\u0627\u06cc (Specular Semi-Transparent Walls)<\/strong><\/span><\/h4>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u06cc\u06a9 \u062f\u06cc\u0648\u0627\u0631\u0647 \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641 \u062e\u0627\u0635 \u0631\u0627 \u062a\u0635\u0648\u0631 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u06a9\u0633\u0631 \u0627\u0646\u062a\u0634\u0627\u0631 (\u067e\u062e\u0634)\u060c <strong><em>f<sub>d<\/sub><\/em><\/strong>\u060c \u00a0\u0622\u0646 \u0635\u0641\u0631 \u0628\u0627\u0634\u062f \u0648 \u062a\u0645\u0627\u0645\u06cc \u0627\u0646\u0631\u0698\u06cc\u200c\u0647\u0627\u06cc \u0627\u0646\u062a\u0642\u0627\u0644\u06cc \u0648 \u0627\u0646\u0639\u06a9\u0627\u0633\u06cc \u0622\u0646 \u0627\u0632 \u0646\u0648\u0639 \u0622\u0626\u06cc\u0646\u0647\u200c\u0627\u06cc (\u0645\u062a\u0645\u0631\u06a9\u0632) \u0628\u0627\u0634\u0646\u062f. \u0634\u06a9\u0644 (8) \u0628\u06cc\u0627\u0646\u06af\u0631 \u067e\u06cc\u0645\u0627\u06cc\u0634 \u06cc\u06a9 \u067e\u0631\u062a\u0648 \u0627\u0632 \u0646\u0627\u062d\u06cc\u0647 \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641 <strong><em>a<\/em><\/strong> \u0628\u0627 \u0636\u0631\u06cc\u0628 \u0634\u06a9\u0633\u062a <strong><em>n<sub>a<\/sub><\/em><\/strong> \u0628\u0647 \u0646\u0627\u062d\u06cc\u0647 \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641 <strong><em>b<\/em><\/strong> \u0628\u0627 \u0636\u0631\u06cc\u0628 \u0634\u06a9\u0633\u062a <strong><em>n<sub>b<\/sub><\/em><\/strong> \u062f\u0631 \u062c\u0647\u062a \u0628\u0631\u062f\u0627\u0631 <strong><em>S<\/em><\/strong> \u0645\u06cc\u200c\u0628\u0627\u0634\u062f. \u062f\u0631 \u0627\u06cc\u0646 \u0634\u06a9\u0644\u060c \u0633\u0637\u062d <strong><em>a<\/em><\/strong> \u062f\u0631 \u0645\u0631\u0632 \u0645\u0634\u062a\u0631\u06a9 \u0628\u0647 \u0646\u0627\u062d\u06cc\u0647 <strong><em>a<\/em><\/strong> \u0648 \u0628\u0637\u0648\u0631 \u0645\u0634\u0627\u0628\u0647 \u0633\u0637\u062d <strong><em>b<\/em><\/strong> \u0646\u06cc\u0632 \u0628\u0647 \u0646\u0627\u062d\u06cc\u0647 <strong><em>b<\/em><\/strong> \u062a\u0639\u0644\u0642 \u062f\u0627\u0631\u0646\u062f.<\/span><\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8188 size-full\" src=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/fig-10-1.png\" alt=\"\u062f\u06cc\u0648\u0627\u0631\u0647 \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641 \u0622\u0626\u06cc\u0646\u0647 \u0627\u06cc\" width=\"331\" height=\"304\" srcset=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/fig-10-1.png 331w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/fig-10-1-300x276.png 300w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/fig-10-1-294x270.png 294w\" sizes=\"auto, (max-width: 331px) 100vw, 331px\" \/><\/p>\r\n<p style=\"text-align: center;\"><strong><span style=\"color: #000000;\">\u0634\u06a9\u0644-8: \u0627\u0646\u0639\u06a9\u0627\u0633 \u0648 \u0634\u06a9\u0633\u062a \u067e\u0631\u062a\u0648 \u062f\u0631 \u0628\u0631\u062e\u0648\u0631\u062f \u0628\u0647 \u062f\u06cc\u0648\u0627\u0631\u0647 \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641 \u0622\u0626\u06cc\u0646\u0647\u200c\u0627\u06cc.<\/span><\/strong><\/p>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u062f\u0631 \u0634\u06a9\u0644 \u0628\u0627\u0644\u0627 \u067e\u06cc\u062f\u0627\u0633\u062a\u060c \u0628\u062e\u0634\u06cc \u0627\u0632 \u0627\u0646\u0631\u0698\u06cc \u0628\u0631\u062e\u0648\u0631\u062f\u06cc \u0628\u0647 \u0641\u0635\u0644 \u0645\u0634\u062a\u0631\u06a9 \u0627\u0646\u0639\u06a9\u0627\u0633 \u06cc\u0627\u0641\u062a\u0647 \u0648 \u0628\u0627\u0642\u06cc\u0645\u0627\u0646\u062f\u0647 \u0646\u06cc\u0632 \u0627\u0632 \u0622\u0646 \u0639\u0628\u0648\u0631 \u06a9\u0631\u062f\u0647 \u0648 \u0628\u0647 \u0646\u0627\u062d\u06cc\u0647 <strong><em>b<\/em><\/strong> \u0627\u0646\u062a\u0642\u0627\u0644 \u067e\u06cc\u062f\u0627 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0628\u0627\u0632\u062a\u0627\u0628\u0634 \u0622\u0626\u06cc\u0646\u0647\u200c\u0627\u06cc \u0628\u0648\u062f\u0647 \u0628\u0637\u0648\u0631\u06cc\u06a9\u0647 \u062c\u0647\u062a \u062a\u0627\u0628\u0634 \u0627\u0646\u0639\u06a9\u0627\u0633 \u06cc\u0627\u0641\u062a\u0647 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u0639\u0627\u062f\u0644\u0647 (23) \u0645\u0634\u062e\u0635 \u0645\u06cc\u200c\u06af\u0631\u062f\u062f. \u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u06af\u0641\u062a\u0647 \u0634\u062f\u060c \u062a\u0627\u0628\u0634 \u0627\u0646\u062a\u0642\u0627\u0644 \u06cc\u0627\u0641\u062a\u0647 \u0627\u0632 \u0646\u0627\u062d\u06cc\u0647 <strong><em>a<\/em><\/strong> \u0628\u0647 \u0646\u0627\u062d\u06cc\u0647 <strong><em>b<\/em><\/strong> \u0628\u0627 \u0634\u06a9\u0633\u062a \u067e\u0631\u062a\u0648 \u0647\u0645\u0631\u0627\u0647 \u0627\u0633\u062a. \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u062c\u0647\u062a \u0627\u0646\u0631\u0698\u06cc \u0627\u0646\u062a\u0642\u0627\u0644 \u06cc\u0627\u0641\u062a\u0647 \u0637\u0628\u0642 \u0642\u0627\u0646\u0648\u0646 \u0627\u0633\u0646\u0644 (Snell\u2019s Law) \u0645\u062d\u0627\u0633\u0628\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f (\u0645\u0639\u0627\u062f\u0644\u0647 24).<\/span><\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8190 size-full\" src=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-semitransparent-equation.png\" alt=\"\u0645\u0639\u0627\u062f\u0644\u0627\u062a \u062f\u06cc\u0648\u0631\u0627\u0647 \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641 \u062f\u0631 \u0645\u062f\u0644 DO\" width=\"747\" height=\"693\" srcset=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-semitransparent-equation.png 747w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-semitransparent-equation-300x278.png 300w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-semitransparent-equation-291x270.png 291w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-semitransparent-equation-600x557.png 600w\" sizes=\"auto, (max-width: 747px) 100vw, 747px\" \/><\/p>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0628\u0631\u0627\u06cc \u062d\u0627\u0644\u062a <strong><em>n<sub>a<\/sub>&lt;n<sub>b<\/sub><\/em><\/strong>\u060c \u0627\u0646\u0631\u0698\u06cc \u0627\u0646\u062a\u0642\u0627\u0644 \u06cc\u0627\u0641\u062a\u0647 \u0627\u0632 \u0646\u0627\u062d\u06cc\u0647 <strong><em>a<\/em><\/strong> \u0628\u0647 \u0646\u0627\u062d\u06cc\u0647 <strong><em>b<\/em><\/strong> \u062f\u0631 \u0632\u0627\u0648\u06cc\u0647 \u0648\u0631\u0648\u062f\u06cc <strong><em>2\u03c0<\/em><\/strong>\u060c \u0631\u0627\u0633\u062a\u0627\u06cc \u0628\u0631\u062f\u0627\u0631 <strong><em>n<\/em><\/strong> \u0628\u0627\u06cc\u062f \u0628\u0647 \u0637\u0631\u0641 \u0645\u062e\u0631\u0648\u0637 \u0632\u0627\u0648\u06cc\u0647 <strong><em>\u03b8<\/em><\/strong><strong><em><sub>c<\/sub><\/em><\/strong> \u0628\u0627\u0634\u062f (\u0634\u06a9\u0644-9). \u0628\u0637\u0648\u0631 \u0645\u0634\u0627\u0628\u0647 \u0627\u06af\u0631 \u0627\u0646\u0631\u0698\u06cc \u0627\u0646\u062a\u0642\u0627\u0644 \u06cc\u0627\u0641\u062a\u0647 \u0627\u0632 \u0646\u0627\u062d\u06cc\u0647 <strong><em>b<\/em><\/strong> \u0628\u0647 \u0646\u0627\u062d\u06cc\u0647 <strong><em>a<\/em><\/strong> \u062f\u0631 \u062f\u0627\u062e\u0644 \u0645\u062e\u0631\u0648\u0637 \u0632\u0627\u0648\u06cc\u0647 <strong><em>\u03b8<\/em><\/strong><strong><em><sub>c<\/sub><\/em><\/strong> \u0628\u0627\u0634\u062f\u060c \u067e\u0631\u062a\u0648 \u0627\u0646\u062a\u0642\u0627\u0644 \u06cc\u0627\u0641\u062a\u0647 \u062f\u0631\u0646\u0627\u062d\u06cc\u0647 <strong><em>a<\/em><\/strong> \u062f\u0631 \u062c\u0647\u062a <strong><em>2<\/em><\/strong><strong><em>\u03c0<\/em><\/strong> (\u0631\u0627\u0633\u062a\u0627\u06cc \u0628\u0631\u062f\u0627\u0631 <strong><em>n<\/em><\/strong>) \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f.<\/span><\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8193 size-full\" src=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/fig-11.png\" alt=\"\u0632\u0627\u0648\u06cc\u0647 \u0628\u062d\u0631\u0627\u0646\u06cc \u062f\u0631 \u062f\u06cc\u0648\u0627\u0631\u0647 \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641\" width=\"283\" height=\"281\" srcset=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/fig-11.png 283w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/fig-11-150x150.png 150w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/fig-11-272x270.png 272w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/fig-11-100x100.png 100w\" sizes=\"auto, (max-width: 283px) 100vw, 283px\" \/><\/p>\r\n<p style=\"text-align: center;\"><strong><span style=\"color: #000000;\">\u0634\u06a9\u0644-9: \u0632\u0627\u0648\u06cc\u0647 \u0628\u062d\u0631\u0627\u0646\u06cc \u03b8c.<\/span><\/strong><\/p>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0628\u0631\u0627\u06cc \u0632\u0648\u0627\u06cc\u0627\u06cc \u0628\u0631\u062e\u0648\u0631\u062f <strong><em>\u03b8<\/em><\/strong><strong><em><sub>a<\/sub><\/em><\/strong> \u0628\u0632\u0631\u06af\u062a\u0631 \u0627\u0632 <strong><em>\u03b8<\/em><\/strong><strong><em><sub>c<\/sub><\/em><\/strong>\u060c \u0627\u0646\u0639\u06a9\u0627\u0633 \u062f\u0627\u062e\u0644\u06cc \u06a9\u0644 \u0627\u062a\u0641\u0627\u0642 \u0645\u06cc\u200c\u0627\u0641\u062a\u062f \u0648 \u062a\u0645\u0627\u0645\u06cc \u0627\u0646\u0631\u0698\u06cc\u200c\u0647\u0627\u06cc \u0648\u0631\u0648\u062f\u06cc \u0628\u0635\u0648\u0631\u062a \u0645\u062a\u0645\u0631\u06a9\u0632 \u0648 \u0622\u0626\u06cc\u0646\u0647\u200c\u0627\u06cc \u062f\u0631 \u0646\u0627\u062d\u06cc\u0647 <strong><em>b<\/em><\/strong> \u0627\u0646\u0639\u06a9\u0627\u0633 \u0645\u06cc\u200c\u06cc\u0627\u0628\u062f. \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0628\u06cc\u0627\u0646 \u0634\u062f\u0647 \u062f\u0631 \u0628\u0627\u0644\u0627 \u0631\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0628\u0631\u0627\u06cc \u062d\u0627\u0644\u062a \u0639\u0645\u0648\u0645\u06cc \u062f\u06cc\u0648\u0627\u0631\u0647 \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641 \u062f\u0627\u062e\u0644\u06cc \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u062f\u0631 \u0634\u06a9\u0644 (9) \u0646\u06cc\u0632 \u0628\u06a9\u0627\u0631 \u0628\u0631\u062f. \u0645\u0648\u0642\u0639\u06cc\u06a9\u0647 \u0646\u0627\u062d\u06cc\u0647 <strong><em>b<\/em><\/strong> \u0647\u0645\u0627\u0646\u0646\u062f \u062d\u0627\u0644\u062a \u062f\u06cc\u0648\u0627\u0631\u0647 \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641 \u062e\u0627\u0631\u062c\u06cc\u060c \u062e\u0627\u0631\u062c \u0627\u0632 \u062f\u0627\u0645\u0646\u0647 \u0645\u062d\u0627\u0633\u0628\u0627\u062a\u06cc \u0628\u0627\u0634\u062f (\u0634\u06a9\u0644-12)\u060c \u0634\u062f\u062a \u062a\u0627\u0628\u0634 \u0645\u0631\u0632\u06cc \u062f\u0631 \u0646\u0627\u062d\u06cc\u0647 <strong><em>b<\/em><\/strong> \u0645\u0648\u062c\u0648\u062f \u062f\u0631 \u0645\u0639\u0627\u062f\u0644\u0647 (27) \u0628\u0627\u06cc\u062f \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9\u06cc \u0627\u0632 \u0648\u0631\u0648\u062f\u06cc\u200c\u0647\u0627\u06cc \u0634\u0631\u0637 \u0645\u0631\u0632\u06cc \u062f\u06cc\u0648\u0627\u0631\u0647\u060c \u0645\u0634\u062e\u0635 \u06af\u0631\u062f\u062f. \u0642\u0627\u0628\u0644 \u062a\u0648\u062c\u0647 \u0627\u0633\u062a \u06a9\u0647 \u0636\u0631\u06cc\u0628 \u0634\u06a9\u0633\u062a \u062f\u0631 \u062e\u0627\u0631\u062c \u0627\u0632 \u062f\u0627\u0645\u0646\u0647 \u0645\u062d\u0627\u0633\u0628\u0627\u062a\u06cc 1 \u0641\u0631\u0636 \u0645\u06cc\u200c\u06af\u0631\u062f\u062f.<\/span><\/p>\r\n<h4 style=\"text-align: right;\"><span style=\"color: #ff0000;\"><strong>\u062f\u06cc\u0648\u0627\u0631\u0647\u200c\u0647\u0627\u06cc \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641 \u067e\u062e\u0634\u06cc (Diffuse Semi-Transparent Walls)<\/strong><\/span><\/h4>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f \u06a9\u0647 \u06a9\u0633\u0631 \u0627\u0646\u062a\u0634\u0627\u0631 (\u067e\u062e\u0634\u06cc) \u06cc\u06a9 \u062f\u06cc\u0648\u0627\u0631\u0647 \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641 \u06cc\u06a9 \u0628\u0627\u0634\u062f\u060c <strong><em>f<sub>d<\/sub>=1<\/em><\/strong>. \u062f\u0631 \u0627\u06cc\u0646 \u062d\u0627\u0644\u062a \u062a\u0645\u0627\u0645\u06cc \u0627\u0646\u0631\u0698\u06cc \u0627\u0646\u062a\u0642\u0627\u0644 \u06cc\u0627\u0641\u062a\u0647 \u06cc\u0627 \u0645\u0646\u0639\u06a9\u0633 \u0634\u062f\u0647 \u062a\u0645\u0627\u0645\u0627 \u0627\u0632 \u0646\u0648\u0639 \u067e\u062e\u0634\u06cc \u0647\u0633\u062a\u0646\u062f. \u062f\u0631 \u0628\u0633\u06cc\u0627\u0631 \u0627\u0632 \u0645\u0633\u0627\u0626\u0644 \u0645\u0647\u0646\u062f\u0633\u06cc\u060c \u0641\u0635\u0644 \u0645\u0634\u062a\u0631\u06a9 \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u06cc\u06a9 \u0631\u0641\u0644\u06a9\u062a\u0648\u0631 \u067e\u062e\u0634\u06cc (Diffuse) \u0628\u0627\u0634\u062f. \u0628\u0631\u0627\u06cc \u0686\u0646\u06cc\u0646 \u062d\u0627\u0644\u062a\u06cc \u0642\u0627\u0628\u0644\u06cc\u062a \u0627\u0646\u0639\u06a9\u0627\u0633 \u0628\u06cc\u0646 \u0648\u062c\u0647\u06cc \u0648\u0627\u0628\u0633\u062a\u0647 \u0628\u0647 \u0628\u0631\u062f\u0627\u0631 <strong><em>S<\/em><\/strong> \u0648 \u0628\u0631\u0627\u0628\u0631 \u0628\u0627 \u0645\u0642\u062f\u0627\u0631 \u0645\u062a\u0648\u0633\u0637 \u0646\u06cc\u0645\u06a9\u0631\u0647 <strong><em>r<sub>d<\/sub><\/em><\/strong> \u0645\u06cc\u200c\u0628\u0627\u0634\u062f. \u0628\u0631\u0627\u06cc <strong><em>n=n<sub>a<\/sub>\/n<sub>b<\/sub>&gt;1<\/em><\/strong>\u060c \u0631\u0648\u0627\u0628\u0637 \u0632\u06cc\u0631 \u062d\u0627\u06a9\u0645 \u0627\u0633\u062a:<\/span><\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8198 size-full\" src=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-diffuse-wall-equation.png\" alt=\"\u0645\u0639\u0627\u062f\u0644\u0627\u062a \u062f\u06cc\u0648\u0627\u0631\u0647 \u067e\u062e\u0634\u06cc \u0645\u062f\u0644 DO\" width=\"740\" height=\"448\" srcset=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-diffuse-wall-equation.png 740w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-diffuse-wall-equation-300x182.png 300w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-diffuse-wall-equation-360x218.png 360w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/DO-diffuse-wall-equation-600x363.png 600w\" sizes=\"auto, (max-width: 740px) 100vw, 740px\" \/><\/p>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0645\u0648\u0642\u0639\u06cc \u06a9\u0647 \u0646\u0627\u062d\u06cc\u0647 <strong><em>b<\/em><\/strong> \u0647\u0645\u0627\u0646\u0646\u062f \u06cc\u06a9 \u062f\u06cc\u0648\u0627\u0631\u0647 \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641 \u0628\u06cc\u0631\u0648\u0646\u06cc\u060c \u062e\u0627\u0631\u062c \u0627\u0632 \u062f\u0627\u0645\u0646\u0647 \u0645\u062d\u0627\u0633\u0628\u0627\u062a\u06cc \u0641\u0631\u0636 \u0645\u06cc\u200c\u0634\u0648\u062f (\u0634\u06a9\u0644-10)\u060c \u0634\u0627\u0631 \u062d\u0631\u0627\u0631\u062a\u06cc <strong><em>q<sub>in,b<\/sub><\/em><\/strong> \u0628\u0627\u06cc\u062f \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631 \u0648\u0631\u0648\u062f\u06cc \u0645\u0634\u062e\u0635 \u06af\u0631\u062f\u062f.<\/span><\/p>\r\n<h4 style=\"text-align: right;\"><strong><span style=\"color: #ff0000;\">\u062f\u06cc\u0648\u0627\u0631\u0647\u200c\u0647\u0627\u06cc \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641 \u0634\u0628\u0647 \u067e\u062e\u0634\u06cc (Partially Diffuse Semi-Transparent Walls)<\/span><\/strong><\/h4>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0632\u0645\u0627\u0646\u06cc\u06a9\u0647 \u0636\u0631\u06cc\u0628 \u067e\u062e\u0634 <strong><em>f<sub>d<\/sub><\/em><\/strong> \u0645\u0634\u062e\u0635 \u0634\u062f\u0647 \u0628\u0631\u0627\u06cc \u06cc\u06a9 \u062f\u06cc\u0648\u0627\u0631\u0647 \u0628\u06cc\u0646 0 \u0648 1 \u0628\u0627\u0634\u062f. \u062f\u06cc\u0648\u0627\u0631\u0647 \u0647\u0631 \u062f\u0648 \u0631\u0641\u062a\u0627\u0631 \u067e\u062e\u0634\u06cc \u0648 \u0622\u0626\u06cc\u0646\u0647\u200c\u0627\u06cc \u0631\u0627 \u0627\u0632 \u062e\u0648\u062f \u0628\u0631\u0648\u0632 \u0645\u06cc\u200c\u062f\u0647\u062f. \u062f\u0631 \u0627\u06cc\u0646 \u062d\u0627\u0644\u062a \u0644\u0627\u0632\u0645\u0633\u062a \u0647\u0631 \u062f\u0648 \u0645\u0624\u0644\u0641\u0647 \u067e\u062e\u0634\u06cc \u0648 \u0622\u0626\u06cc\u0646\u0647\u200c\u0627\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u0627\u0646\u0639\u06a9\u0627\u0633 \u06cc\u0627 \u0627\u0646\u062a\u0642\u0627\u0644 \u0627\u0646\u0631\u0698\u06cc \u062a\u0627\u0628\u0634\u06cc \u062f\u0631 \u0645\u062d\u0627\u0633\u0628\u0627\u062a \u0645\u0646\u0638\u0648\u0631 \u0646\u0645\u0648\u062f.<\/span><\/p>\r\n<h4 style=\"text-align: right;\"><span style=\"color: #ff0000;\"><strong>\u062f\u06cc\u0648\u0627\u0631\u0647\u200c\u0647\u0627\u06cc \u062e\u0627\u0631\u062c\u06cc \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641 (Semi-Transparent Exterior Walls)<\/strong><\/span><\/h4>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0634\u06a9\u0644 (10) \u062d\u0627\u0644\u062a \u06a9\u0644\u06cc \u067e\u0631\u062a\u0648 \u062a\u0627\u0628\u0634\u06cc <strong><em>q<sub>irrad<\/sub><\/em><\/strong> \u0631\u0648\u06cc \u06cc\u06a9 \u062f\u06cc\u0648\u0627\u0631\u0647 \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641 \u0628\u06cc\u0631\u0648\u0646\u06cc \u0628\u0627 \u0636\u062e\u0627\u0645\u062a \u0648 \u0636\u0631\u06cc\u0628 \u062c\u0630\u0628 \u0635\u0641\u0631 \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u062f. \u0628\u0631\u0627\u06cc \u06a9\u0633\u0628 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0628\u06cc\u0634\u062a\u0631 \u062f\u0631 \u062e\u0635\u0648\u0635 \u0627\u062b\u0631\u0627\u062a \u0636\u062e\u0627\u0645\u062a \u062f\u06cc\u0648\u0627\u0631\u0647 \u0628\u0631 \u06a9\u06cc\u0641\u06cc\u062a \u062a\u0627\u0628\u0634 \u0628\u0631 \u062f\u06cc\u0648\u0627\u0631\u0647 \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641\u060c \u0628\u0647 \u0628\u062e\u0634 <strong><em>\u062f\u06cc\u0648\u0627\u0631\u0647\u200c\u0647\u0627\u06cc \u062f\u0627\u062e\u0644\u06cc \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641<\/em><\/strong> \u0645\u0631\u0627\u062c\u0639\u0647 \u06af\u0631\u062f\u062f.<\/span><\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8204 size-full\" src=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/external-semi-transparent-wall.png\" alt=\"\u0631\u0641\u062a\u0627\u0631 \u062f\u06cc\u0648\u0627\u0631\u0647 \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641 \u062e\u0627\u0631\u062c\u06cc \u062f\u0631 \u0645\u062f\u0644 DO\" width=\"553\" height=\"397\" srcset=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/external-semi-transparent-wall.png 553w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/external-semi-transparent-wall-300x215.png 300w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/external-semi-transparent-wall-360x258.png 360w\" sizes=\"auto, (max-width: 553px) 100vw, 553px\" \/><\/p>\r\n<p style=\"text-align: center;\"><strong><span style=\"color: #000000;\">\u0634\u06a9\u0644-10: \u0631\u0641\u062a\u0627\u0631 \u06cc\u06a9 \u062f\u06cc\u0648\u0627\u0631\u0647 \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641 \u062e\u0627\u0631\u062c\u06cc \u062f\u0631 \u0628\u0631\u0627\u0628\u0631 \u0627\u0646\u0631\u0698\u06cc \u062a\u0627\u0628\u0634\u06cc.<\/span><\/strong><\/p>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0634\u0627\u0631 \u062a\u0627\u0628\u0634\u06cc \u0639\u0628\u0648\u0631\u06cc \u0627\u0632 \u062f\u06cc\u0648\u0627\u0631\u0647 \u0627\u0632 \u0637\u0631\u0641 \u0628\u06cc\u0631\u0648\u0646 \u062f\u0627\u0645\u0646\u0647 \u0645\u062d\u0627\u0633\u0628\u0627\u062a\u06cc \u0628\u0647 \u062f\u0627\u062e\u0644 \u062f\u0627\u0645\u0646\u0647 \u0645\u062d\u0627\u0633\u0628\u0627\u062a\u06cc \u0645\u062a\u0634\u06a9\u0644 \u0627\u0632 \u0633\u06cc\u0627\u0644 \u06cc\u0627 \u062c\u0627\u0645\u062f (\u0646\u0627\u062d\u06cc\u0647 <strong><em>a<\/em><\/strong>) \u06cc\u0627 \u0628\u0627\u0644\u0639\u06a9\u0633 \u0631\u0627 \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f. \u0628\u0633\u062a\u0647 \u0628\u0647 \u0636\u0631\u06cc\u0628 \u0634\u06a9\u0633\u062a \u0648 \u06a9\u0633\u0631 \u067e\u0631\u0627\u06a9\u0646\u0634 \u062a\u0639\u06cc\u06cc\u0646 \u0634\u062f\u0647 \u062f\u0631 \u0634\u0631\u0627\u06cc\u0637 \u0645\u0631\u0632\u06cc\u060c \u0634\u0627\u0631 \u062a\u0627\u0628\u0634\u06cc \u0639\u0628\u0648\u0631\u06cc \u0627\u0632 \u062f\u06cc\u0648\u0627\u0631\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0628\u0635\u0648\u0631\u062a \u067e\u062e\u0634\u06cc \u06cc\u0627 \u0645\u062a\u0645\u0631\u06a9\u0632 \u0628\u0627\u0634\u062f. \u0628\u0627\u06cc\u062f \u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a \u062f\u0631 \u0635\u0648\u0631\u062a\u06cc\u06a9\u0647 \u0636\u0631\u06cc\u0628 \u0634\u06a9\u0633\u062a \u062f\u06cc\u0648\u0627\u0631\u0647 <strong><em>n<sub>w<\/sub><\/em><\/strong> \u0628\u0631\u0627\u0628\u0631 \u0628\u0627 \u06cc\u06a9 \u0646\u0628\u0627\u0634\u062f\u060c \u0622\u0646\u06af\u0627\u0647 \u06cc\u06a9 \u0645\u0624\u0644\u0641\u0647 \u0627\u0646\u0639\u06a9\u0627\u0633\u06cc \u0646\u06cc\u0632 \u0628\u0631\u0627\u06cc <strong><em>q<sub>irrad<\/sub><\/em><\/strong> \u0648\u062c\u0648\u062f \u062e\u0648\u0627\u0647\u062f \u062f\u0627\u0634\u062a. \u062f\u0631 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 Fluent \u0627\u06af\u0631 \u06af\u0632\u06cc\u0646\u0647 Mixed \u06cc\u0627 Radiation \u062f\u0631 \u0628\u062e\u0634 Thermal \u0634\u0631\u0637 \u0645\u0631\u0632\u06cc Wall \u0627\u0646\u062a\u062e\u0627\u0628 \u0634\u0648\u062f\u060c \u0622\u0646\u06af\u0627\u0631 \u0634\u0627\u0631 \u062f\u06cc\u06af\u0631\u06cc \u0639\u0644\u0627\u0648\u0647 \u0628\u0631 \u0634\u0627\u0631 <strong><em>q<sub>irrad<\/sub><\/em><\/strong> \u0648 \u0628\u0627 \u0639\u0646\u0648\u0627\u0646 <strong><em>Q<sub>ext<\/sub><\/em><\/strong> \u062e\u0648\u0627\u0647\u06cc\u0645 \u062f\u0627\u0634\u062a (\u0645\u0639\u0627\u062f\u0644\u0647-36).<\/span><\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8207 size-full\" src=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/external-semi-transparant-wall-equation.png\" alt=\"\u0645\u0639\u0627\u062f\u0644\u0647 \u062f\u06cc\u0648\u0627\u0631\u0647 \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641 \u062e\u0627\u0631\u062c\u06cc \u062f\u0631 \u0645\u062f\u0644 DO\" width=\"740\" height=\"40\" srcset=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/external-semi-transparant-wall-equation.png 740w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/external-semi-transparant-wall-equation-300x16.png 300w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/external-semi-transparant-wall-equation-360x19.png 360w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/external-semi-transparant-wall-equation-600x32.png 600w\" sizes=\"auto, (max-width: 740px) 100vw, 740px\" \/><\/p>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u06a9\u0633\u0631\u06cc \u0627\u0632 \u0627\u0646\u0631\u0698\u06cc \u0641\u0648\u0642 \u06a9\u0647 \u0648\u0627\u0631\u062f \u062f\u0627\u0645\u0646\u0647 \u0645\u062d\u0627\u0633\u0628\u0627\u062a\u06cc \u0645\u06cc\u200c\u0634\u0648\u062f \u06a9\u0627\u0645\u0644\u0627 \u0628\u0647 \u0645\u06cc\u0632\u0627\u0646 \u0634\u0641\u0627\u0641\u06cc\u062a \u062f\u06cc\u0648\u0627\u0631\u0647 \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641 \u0648\u0627\u0628\u0633\u062a\u0647 \u0627\u0633\u062a. \u0642\u0627\u0628\u0644 \u062a\u0648\u062c\u0647 \u0627\u0633\u062a \u06a9\u0647 \u0627\u0646\u0631\u0698\u06cc \u062f\u0631 \u06cc\u06a9 \u0645\u062e\u0631\u0648\u0637\u06cc \u062a\u0648\u0632\u06cc\u0639 \u0634\u062f\u0647 \u0648 \u0627\u0632 \u0631\u0641\u062a\u0627\u0631 \u067e\u062e\u0634\u06cc (Diffuse) \u0628\u0631\u062e\u0648\u0631\u062f\u0627\u0631 \u0627\u0633\u062a. \u067e\u0631\u062a\u0648\u0647\u0627 \u062a\u0627\u0628\u0634\u06cc (Irradiation Beam) \u0628\u0631\u0627\u0633\u0627\u0633 \u0627\u0646\u062f\u0627\u0632\u0647\u060c \u062c\u0647\u062a \u0648 \u067e\u0647\u0646\u0627 \u0645\u0634\u062e\u0635 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f. \u0645\u0642\u062f\u0627\u0631 \u062a\u0627\u0628\u0634 \u0628\u0647 \u0641\u0631\u0645 \u0634\u0627\u0631 \u062d\u0631\u0627\u0631\u062a \u062a\u0627\u0628\u0634\u06cc \u0628\u0631\u062e\u0648\u0631\u062f \u0628\u0627 \u0648\u0627\u062d\u062f W\/m<sup>2<\/sup> \u0645\u06cc\u200c\u0628\u0627\u0634\u062f. \u067e\u0647\u0646\u0627\u06cc \u0628\u06cc\u0645 \u0646\u06cc\u0632 \u0628\u0635\u0648\u0631\u062a \u06cc\u06a9 \u0645\u062e\u0631\u0648\u0637\u06cc \u0628\u0627 \u0632\u0627\u0648\u06cc\u0647 \u0645\u0634\u062e\u0635 (\u062f\u0631\u0635\u0648\u0631\u062a\u06cc\u06a9\u0647 \u062a\u0627\u0628\u0634 \u0631\u0648\u06cc \u06cc\u06a9 \u062e\u0637 \u0645\u062a\u0645\u0631\u06a9\u0632 \u0646\u0628\u0648\u062f\u0647 \u0648 \u0628\u0634\u06a9\u0644 \u0645\u062e\u0631\u0648\u0637\u06cc \u0628\u0627\u0634\u062f) \u062a\u0639\u0631\u06cc\u0641 \u0645\u06cc\u200c\u0634\u0648\u062f. \u067e\u06cc\u0634 \u0641\u0631\u0636 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 Fluent \u0628\u0631\u0627\u06cc \u067e\u0647\u0646\u0627\u06cc \u067e\u0631\u062a\u0648\u00a0 <strong><sup>6-<\/sup><\/strong>10 \u0627\u0633\u062a \u06a9\u0647 \u0628\u0631\u0627\u06cc \u067e\u0631\u062a\u0648 \u0648\u0631\u0648\u062f\u06cc \u0645\u0646\u0627\u0633\u0628 \u0627\u0633\u062a. \u062c\u0647\u062a \u0628\u06cc\u0645 \u0646\u06cc\u0632 \u062a\u0648\u0633\u0637 \u06cc\u06a9 \u0628\u0631\u062f\u0627\u0631 \u0639\u0628\u0648\u0631\u06cc \u0627\u0632 \u0648\u0633\u0637 \u0632\u0627\u0648\u06cc\u0647 \u0628\u06cc\u0645 \u0645\u0634\u062e\u0635 \u0645\u06cc\u200c\u06af\u0631\u062f\u062f (\u0634\u06a9\u0644-11).\u00a0<\/span><\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8211 size-full\" src=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/irradiation.png\" alt=\"\u067e\u0631\u062a\u0648\u0632\u062f\u06af\u06cc\" width=\"473\" height=\"522\" srcset=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/irradiation.png 473w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/irradiation-272x300.png 272w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/irradiation-245x270.png 245w\" sizes=\"auto, (max-width: 473px) 100vw, 473px\" \/><\/p>\r\n<p style=\"text-align: center;\"><strong><span style=\"color: #000000;\">\u0634\u06a9\u0644-11: \u067e\u0647\u0646\u0627 \u0648 \u062c\u0647\u062a \u0628\u06cc\u0645 \u062f\u0631 \u067e\u0631\u062a\u0648\u0632\u062f\u06af\u06cc(Irradiation) \u062e\u0627\u0631\u062c\u06cc.<\/span><\/strong><\/p>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0627\u06af\u0631 \u06af\u0632\u06cc\u0646\u0647 Apply Direct Irradiation Parallel to the Beam \u062f\u0631 \u06a9\u0627\u062f\u0631 \u0641\u0631\u0645 \u0634\u0631\u0637 \u0645\u0631\u0632\u06cc Wall \u062f\u0631 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 Fluent \u0627\u0646\u062a\u062e\u0627\u0628 \u0634\u0648\u062f\u060c \u0622\u0646\u06af\u0627\u0647 \u0628\u0627 \u062a\u0639\u06cc\u06cc\u0646 <strong><em>q<sub>Irrad<\/sub><\/em><\/strong> \u062a\u0648\u0633\u0637 \u06a9\u0627\u0631\u0628\u0631\u060c \u0627\u06cc\u0646 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 \u0628\u0631\u062f\u0627\u0631 \u0639\u0645\u0648\u062f \u0628\u0631 \u0633\u0637\u062d\u060c <strong><em>q<sub>Irrad.Normal<\/sub><\/em><\/strong> \u0631\u0627 \u062f\u0631 \u0645\u062d\u0627\u0633\u0628\u0627\u062a \u062a\u0627\u0628\u0634\u060c \u062d\u0644 \u06a9\u0631\u062f\u0647 \u0648 \u0628\u06a9\u0627\u0631 \u0645\u06cc\u200c\u0628\u0631\u062f. \u062f\u0631 \u063a\u06cc\u0631 \u0627\u06cc\u0646\u0635\u0648\u0631\u062a \u0647\u0645\u0627\u0646 \u0645\u0642\u062f\u0627\u0631 \u062a\u0639\u06cc\u06cc\u0646 \u0634\u062f\u0647 \u0628\u0631\u0627\u06cc <strong><em>q<sub>Irrad<\/sub><\/em><\/strong> \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 <strong><em>q<sub>Irrad.Normal<\/sub><\/em><\/strong> \u0645\u06cc\u200c\u0634\u0648\u062f. \u0634\u06a9\u0644 (13) \u0634\u0645\u0627\u062a\u06cc\u06a9\u06cc \u0627\u0632 \u067e\u0647\u0646\u0627 \u0648 \u062c\u0647\u062a \u0628\u06cc\u0645 \u0631\u0627 \u062f\u0631 \u067e\u0631\u062a\u0648\u0632\u062f\u06af\u06cc(Irradiation) \u062e\u0627\u0631\u062c\u06cc \u0646\u0634\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u062f. \u0644\u0627\u0632\u0645\u0633\u062a \u067e\u0627\u0631\u0627\u0645\u062a\u0631\u0647\u0627\u06cc \u0648\u0631\u0648\u062f\u06cc \u062f\u0631 \u0627\u06cc\u0646 \u0634\u06a9\u0644 \u0628\u0635\u0648\u0631\u062a \u0634\u0631\u0637 \u0645\u0631\u0632\u06cc \u062f\u0631 \u06cc\u06a9 \u062f\u06cc\u0648\u0627\u0631\u0647 \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641 \u0645\u0634\u062e\u0635 \u0634\u0648\u0646\u062f. \u0628\u0633\u062a\u0647 \u0628\u0647 \u0636\u0631\u06cc\u0628 \u0634\u06a9\u0633\u062a \u0646\u0627\u062d\u06cc\u0647 <strong><em>a<\/em><\/strong> (\u06a9\u0647 \u062c\u0632\u0621 \u062e\u0635\u0648\u0635\u06cc\u0627\u062a \u0645\u0627\u062f\u0647 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f)\u060c \u067e\u0631\u062a\u0631\u0648 \u062a\u0627\u0628\u0634\u06cc \u0628\u0647 \u0627\u06cc\u0646 \u0646\u0627\u062d\u06cc\u0647 \u062f\u0686\u0627\u0631 \u0634\u06a9\u0633\u062a \u0645\u06cc\u200c\u0634\u0648\u062f.<\/span><\/p>\r\n<h4 style=\"text-align: right;\"><span style=\"color: #ff0000;\"><strong>\u0645\u062d\u062f\u0648\u062f\u06cc\u062a\u200c\u0647\u0627<\/strong><\/span><\/h4>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0627\u06af\u0631 \u0634\u0631\u0637 \u067e\u0648\u0633\u062a\u0647 \u0645\u0646\u0638\u0648\u0631 \u0646\u06af\u0631\u062f\u062f\u060c \u0622\u0646\u06af\u0627\u0647 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 Fluent \u062f\u0631 \u062f\u06cc\u0648\u0627\u0631\u0647\u200c\u0647\u0627\u06cc \u0646\u0627\u0632\u06a9 \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641\u060c \u0645\u062d\u0627\u0633\u0628\u0627\u062a \u0645\u0631\u062a\u0628\u0637 \u0628\u0627 \u0636\u0631\u06cc\u0628 \u062c\u0630\u0628\/\u0627\u0646\u062a\u0634\u0627\u0631 \u0631\u0627 \u0645\u0646\u0638\u0648\u0631 \u0646\u0645\u06cc\u200c\u06a9\u0646\u062f. \u062f\u0631 \u0686\u0646\u06cc\u0646 \u0634\u0631\u0627\u06cc\u0637\u06cc \u0627\u06af\u0631 \u0645\u0642\u0627\u062f\u06cc\u0631 \u062c\u0630\u0628\/\u062a\u0634\u0639\u0634\u0639 \u062f\u0631 \u0645\u0648\u0627\u062f \u062c\u0627\u0645\u062f \u062f\u06cc\u0648\u0627\u0631\u0647 \u0642\u0627\u0628\u0644 \u062a\u0648\u062c\u0647 \u0628\u0627\u0634\u062f (\u0645\u0627\u0646\u0646\u062f \u067e\u0646\u062c\u0631\u0647\u200c\u0647\u0627\u06cc \u0634\u06cc\u0634\u0647\u200c\u0627\u06cc \u062f\u0631 \u0637\u0648\u0644 \u0645\u0648\u062c \u0628\u0644\u0646\u062f)\u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062f\u06cc\u0648\u0627\u0631\u0647\u200c\u0647\u0627\u06cc \u0646\u0627\u0632\u06a9 \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0645\u0646\u062c\u0631 \u0628\u0647 \u0645\u062d\u0627\u0633\u0628\u0647 \u063a\u06cc\u0631 \u0641\u06cc\u0632\u06cc\u06a9\u06cc \u062f\u0645\u0627 \u062f\u0631 \u062d\u0644 \u0639\u062f\u062f\u06cc \u0634\u0648\u062f. \u0627\u0645\u0627 \u0628\u0627 \u062d\u0644 \u0633\u0647 \u0628\u0639\u062f\u06cc \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0628\u0631 \u0627\u06cc\u0646 \u0645\u0634\u06a9\u0644 \u063a\u0644\u0628\u0647 \u06a9\u0631\u062f. \u0686\u0631\u0627\u06a9\u0647 \u0634\u0631\u0637 \u067e\u0648\u0633\u062a\u0647 \u062a\u0646\u0647\u0627 \u0628\u0631\u0627\u06cc \u0645\u062f\u0644\u200c\u0647\u0627\u06cc \u0633\u0647 \u0628\u0639\u062f\u06cc \u062f\u0631 \u062f\u0633\u062a\u0631\u0633 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f. \u0627\u0632 \u0637\u0631\u0641 \u062f\u06cc\u06af\u0631 \u0628\u0647\u062a\u0631 \u0627\u0633\u062a\u062f\u06cc\u0648\u0627\u0631\u0647\u200c\u0647\u0627 \u0628\u0635\u0648\u0631\u062a \u0635\u0631\u06cc\u062d \u0648 \u06a9\u0627\u0645\u0644 \u0645\u062f\u0644\u0633\u0627\u0632\u06cc \u06af\u0634\u062a\u0647 \u0648 \u0634\u0628\u06a9\u0647\u200c\u0627\u06cc \u0628\u0627 \u062d\u062f\u0627\u0642\u0644 \u06cc\u06a9 \u0631\u062f\u06cc\u0641 \u0627\u0644\u0645\u0627\u0646 \u062f\u0631 \u0631\u0627\u0633\u062a\u0627\u06cc \u0636\u062e\u0627\u0645\u062a \u062f\u06cc\u0648\u0627\u0631\u0647 \u062a\u0648\u0644\u06cc\u062f \u0634\u062f\u0647 \u062a\u0627 \u0634\u0628\u06cc\u0647 \u0633\u0627\u0632\u06cc \u0628\u0627 \u062f\u0642\u062a \u0686\u0634\u0645\u06af\u06cc\u0631 \u0628\u06cc\u0634\u062a\u0631\u06cc \u0627\u0646\u062c\u0627\u0645 \u0634\u0648\u062f.<\/span><\/p>\r\n<h4 style=\"text-align: right;\"><strong><span style=\"color: #ff0000;\">\u0646\u0627\u062d\u06cc\u0647 \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641 \u062c\u0627\u0645\u062f<\/span><\/strong><\/h4>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062f\u0644 \u062a\u0634\u0639\u0634\u0639 DO \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u06cc\u06a9 \u0646\u0627\u062d\u06cc\u0647 \u062c\u0627\u0645\u062f \u0647\u0645\u062c\u0648\u0627\u0631 \u0628\u0627 \u0646\u0648\u0627\u062d\u06cc \u062c\u0627\u0645\u062f\/\u0645\u0627\u06cc\u0639 \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0646\u0627\u062d\u06cc\u0647 \u0646\u06cc\u0645\u0647 \u0634\u0641\u0627\u0641 \u0645\u062f\u0644\u0633\u0627\u0632\u06cc \u0646\u0645\u0648\u062f. \u0627\u06cc\u0646 \u0645\u0647\u0645 \u0628\u0647 \u0645\u0627 \u0627\u062c\u0627\u0632\u0647 \u0645\u06cc\u200c\u062f\u0647\u062f \u062a\u0627 \u0628\u0627 \u062d\u0644 \u0645\u0639\u0627\u062f\u0644\u0647 \u0627\u0646\u0631\u0698\u06cc \u062f\u0631 \u0627\u06cc\u0646 \u0646\u0627\u062d\u06cc\u0647\u060c \u0628\u0647 \u062c\u0632\u0626\u06cc\u0627\u062a \u062a\u0648\u0632\u06cc\u0639 \u062f\u0645\u0627 \u062f\u0631 \u0622\u0646 \u0628\u0631\u0633\u06cc\u0645. \u062f\u0631 \u0646\u0631\u0645 \u0627\u0641\u0632\u0627\u0631 Fluent\u060c \u0637\u0628\u0642 \u067e\u06cc\u0634 \u0641\u0631\u0636\u060c \u0645\u062f\u0644 DO \u062a\u0646\u0647\u0627 \u0628\u0631\u0627\u06cc \u0646\u0627\u062d\u06cc\u0647 \u0633\u06cc\u0627\u0644 \u0628\u06a9\u0627\u0631 \u0645\u06cc\u200c\u0631\u0648\u062f. \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0628\u0631\u0627\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u06cc\u0646 \u0645\u062f\u0644 \u062f\u0631 \u0646\u0648\u0627\u062d\u06cc \u062c\u0627\u0645\u062f \u0644\u0627\u0632\u0645\u0633\u062a \u0622\u0646 \u0631\u0627 \u062f\u0631 \u0641\u0631\u0645 \u0646\u0627\u062d\u06cc\u0647 \u067e\u06cc\u0648\u0633\u062a\u06af\u06cc Solid \u0641\u0639\u0627\u0644 \u06a9\u0646\u06cc\u0645 (Cell Condition: Solid).<\/span><\/p>\r\n<h3 style=\"text-align: right;\"><span style=\"color: #800000;\"><strong>\u0631\u0641\u062a\u0627\u0631 \u0634\u0631\u0627\u06cc\u0637 \u0645\u0631\u0632\u06cc \u062f\u0631 \u062f\u06cc\u0648\u0627\u0631\u0647\u200c\u0647\u0627\u06cc \u0622\u0626\u06cc\u0646\u0647\u200c\u0627\u06cc \u0648 \u0645\u0631\u0632\u0647\u0627\u06cc \u0645\u062a\u0642\u0627\u0631\u0646 \u062f\u0631 \u0645\u062f\u0644 \u062a\u0634\u0639\u0634\u0639 DO<\/strong><\/span><\/h3>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u062f\u0631 \u062f\u06cc\u0648\u0627\u0631\u0647\u200c\u0647\u0627\u06cc \u0622\u0626\u06cc\u0646\u0647\u200c\u0627\u06cc (Specular Walls) \u0648 \u0645\u0631\u0632\u0647\u0627\u06cc \u0645\u062a\u0642\u0627\u0631\u0646 (Symmetry Boundaries)\u060c \u0627\u0634\u0639\u0647 \u0628\u0627\u0632\u062a\u0627\u0628\u06cc\u062f\u0647 \u062f\u0631 \u062c\u0647\u062a \u0628\u0631\u062f\u0627\u0631 Sr \u0645\u062a\u0646\u0627\u0638\u0631 \u0628\u0627 \u0627\u0634\u0639\u0647 \u0648\u0631\u0648\u062f\u06cc \u062f\u0631 \u062c\u0647\u062a \u0628\u0631\u062f\u0627\u0631 S (\u0645\u0639\u0627\u062f\u0644\u0647-37) \u0645\u06cc\u200c\u0628\u0627\u0634\u062f. \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u062f\u0631 \u0627\u06cc\u0646 \u0646\u0648\u0639 \u0634\u0631\u0627\u06cc\u0637 \u0645\u0631\u0632\u06cc \u0645\u0639\u0627\u062f\u0644\u0647 \u0632\u06cc\u0631 \u062d\u0627\u06a9\u0645 \u0627\u0633\u062a.<\/span><\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8216 size-full\" src=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/symmetry-bc.png\" alt=\"\u0634\u0631\u0637 \u0645\u0631\u0632\u06cc \u0645\u062a\u0642\u0627\u0631\u0646 \u062f\u0631 \u0645\u062f\u0644 DO\" width=\"732\" height=\"32\" srcset=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/symmetry-bc.png 732w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/symmetry-bc-300x13.png 300w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/symmetry-bc-360x16.png 360w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/02\/symmetry-bc-600x26.png 600w\" sizes=\"auto, (max-width: 732px) 100vw, 732px\" \/><\/p>\r\n<h3 style=\"text-align: right;\"><span style=\"color: #800000;\"><strong>\u0631\u0641\u062a\u0627\u0631 \u0634\u0631\u0637 \u0645\u0631\u0632\u06cc \u062f\u0631 \u0645\u0631\u0632\u0647\u0627\u06cc \u0645\u062a\u0646\u0627\u0648\u0628 (\u067e\u0631\u06cc\u0648\u062f\u06cc\u06a9) <\/strong><\/span><span style=\"color: #800000;\"><strong>\u062f\u0631 \u0645\u062f\u0644 \u062a\u0634\u0639\u0634\u0639 DO<\/strong><\/span><\/h3>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0645\u0648\u0642\u0639 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0634\u0631\u0637 \u0645\u0631\u0632\u06cc \u0645\u062a\u0646\u0627\u0648\u0628 \u062f\u0648\u0631\u0627\u0646\u06cc\u060c \u06a9\u0645\u06cc\u062a \u067e\u06cc\u06a9\u0633\u0644 \u0628\u0646\u062f\u06cc \u0628\u0631\u0627\u06cc \u0645\u062d\u0627\u0633\u0628\u0647 \u0645\u0646\u0627\u0633\u0628 \u0627\u0646\u0631\u0698\u06cc \u062a\u0627\u0628\u0634\u06cc \u0627\u0632 \u0645\u0631\u0647\u0627\u06cc \u067e\u0631\u06cc\u0648\u062f\u06cc\u06a9 \u0648 \u0633\u0637\u0648\u062d \u0633\u0627\u06cc\u0647\u060c \u0628\u0633\u06cc\u0627\u0631 \u062d\u0627\u0626\u0632 \u0627\u0647\u0645\u06cc\u062a \u0627\u0633\u062a. \u062f\u0631 \u0648\u0627\u0642\u0639 \u067e\u06cc\u06a9\u0633\u0644 \u0628\u0646\u062f\u06cc \u0628\u06cc\u0646 3*3 \u062a\u0627 10*10 \u067e\u06cc\u0634\u0646\u0647\u0627\u062f \u0645\u06cc\u200c\u06af\u0631\u062f\u062f.<\/span><\/p>\r\n<h3 style=\"text-align: right;\"><span style=\"color: #800000;\"><strong>\u0634\u0631\u0637 \u0645\u0631\u0632\u06cc \u062f\u0631 \u0648\u0631\u0648\u062f\u06cc\u200c\u0647\u0627 \u0648 \u062e\u0631\u0648\u062c\u06cc\u200c\u0647\u0627 <\/strong><\/span><span style=\"color: #800000;\"><strong>\u062f\u0631 \u0645\u062f\u0644 \u062a\u0634\u0639\u0634\u0639 DO<\/strong><\/span><\/h3>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u062f\u0631 \u0645\u062f\u0644 \u062a\u0634\u0639\u0634\u0639 DO\u060c \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc \u0645\u0631\u0632\u0647\u0627\u06cc \u0648\u0631\u0648\u062f\u06cc \u0648 \u062e\u0631\u0648\u062c\u06cc \u0647\u0645\u0627\u0646\u0646\u062f \u0634\u0631\u0627\u06cc\u0637 \u0645\u0631\u0632\u06cc \u0648\u0631\u0648\u062f\u06cc \u0648 \u062e\u0631\u0648\u062c\u06cc \u062f\u0631 <a href=\"https:\/\/cfd-mrk.ir\/index.php\/training\/flow-analysis\/fundamentals-of-cfd\/fundamentals-of-radiation-heat-transfer\/theory-of-dtrm-radiation-model\/\"><span style=\"color: #3366ff;\"><strong>\u0645\u062f\u0644 \u062a\u0634\u0639\u0634\u0639 DTRM <\/strong><\/span><\/a>\u0645\u06cc\u200c\u0628\u0627\u0634\u062f. \u0628\u0631\u0627\u06cc \u06a9\u0633\u0628 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0628\u06cc\u0634\u062a\u0631 \u0628\u0647 \u0627\u06cc\u0646 <a href=\"https:\/\/cfd-mrk.ir\/index.php\/training\/flow-analysis\/fundamentals-of-cfd\/fundamentals-of-radiation-heat-transfer\/theory-of-dtrm-radiation-model\/\"><span style=\"color: #3366ff;\"><strong>\u0635\u0641\u062d\u0647<\/strong><\/span><\/a> \u0645\u0631\u0627\u062c\u0639\u0647 \u0646\u0645\u0627\u06cc\u06cc\u062f.<\/span><\/p>\r\n<p>&nbsp;<\/p>\r\n\r\n<p class=\"has-text-color has-text-align-right has-vivid-cyan-blue-color\" style=\"font-size: 18px;\"><span style=\"color: #3366ff;\"><strong><a style=\"color: #3366ff;\" href=\"https:\/\/cfd-mrk.ir\/index.php\/training\/flow-analysis\/fundamentals-of-cfd\/fundamentals-of-radiation-heat-transfer\/\">\u0628\u0627\u0632\u06af\u0634\u062a<\/a><\/strong><\/span><\/p>\r\n\r\n\r\n\r\n<p class=\"has-text-color has-background has-text-align-right has-medium-font-size has-vivid-red-color has-cyan-bluish-gray-background-color\"><strong>\u0645\u0637\u0627\u0644\u0628 \u0645\u0631\u062a\u0628\u0637<\/strong><\/p>\r\n\r\n\r\n\r\n<p class=\"has-text-color has-text-align-right has-vivid-cyan-blue-color\" style=\"font-size: 18px;\"><span style=\"color: #3366ff;\"><strong><a style=\"color: #3366ff;\" href=\"https:\/\/cfd-mrk.ir\/index.php\/about-cfd\/cfd-application\/flow-regimes-simulation\/flow-with-heat-transfer\/\">\u062d\u0644 \u0645\u06cc\u062f\u0627\u0646\u200c\u0647\u0627\u06cc \u062c\u0631\u06cc\u0627\u0646\u200c\u0647\u0627\u06cc \u0647\u0645\u0631\u0627\u0647 \u0628\u0627 \u0627\u0646\u062a\u0642\u0627\u0644 \u062d\u0631\u0627\u0631\u062a \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0646\u0631\u0645\u200c\u0627\u0641\u0632\u0627\u0631\u0647\u0627\u06cc CFD<\/a><\/strong><\/span><\/p>\r\n<p><span style=\"color: #3366ff;\">\r\n\r\n<\/span><\/p>\r\n<p class=\"has-text-color has-text-align-right has-vivid-cyan-blue-color\" style=\"font-size: 18px;\"><span style=\"color: #3366ff;\"><strong><a style=\"color: #3366ff;\" href=\"https:\/\/cfd-mrk.ir\/index.php\/fundamentals-of-conduction-and-convection-heat-transfers\/\">\u0645\u0628\u0627\u0646\u06cc \u062a\u0626\u0648\u0631\u06cc \u0627\u0646\u062a\u0642\u0627\u0644 \u062d\u0631\u0627\u0631\u062a \u0628\u0647 \u0631\u0648\u0634 \u0647\u062f\u0627\u06cc\u062a \u0648 \u062c\u0627\u0628\u062c\u0627\u06cc\u06cc<\/a><\/strong><\/span><\/p>\r\n<p><span style=\"color: #3366ff;\">\r\n\r\n<\/span><\/p>\r\n<p class=\"has-text-color has-text-align-right has-vivid-cyan-blue-color\" style=\"font-size: 18px;\"><span style=\"color: #3366ff;\"><strong><a style=\"color: #3366ff;\" href=\"https:\/\/cfd-mrk.ir\/index.php\/training\/flow-analysis\/fundamentals-of-cfd\/fundamentals-of-radiation-heat-transfer\/theory-of-dtrm-radiation-model\/\">\u0645\u062f\u0644 \u062a\u0634\u0639\u0634\u0639\u06cc DTRM<\/a><\/strong><\/span><\/p>\r\n<p><span style=\"color: #3366ff;\">\r\n\r\n<\/span><\/p>\r\n<p class=\"has-text-color has-text-align-right has-vivid-cyan-blue-color\" style=\"font-size: 18px;\"><span style=\"color: #3366ff;\"><strong><a style=\"color: #3366ff;\" href=\"https:\/\/cfd-mrk.ir\/index.php\/training\/flow-analysis\/fundamentals-of-cfd\/fundamentals-of-radiation-heat-transfer\/theory-of-p1-radiation-model\/\">\u0645\u062f\u0644 \u062a\u0634\u0639\u0634\u0639 P-1<\/a><\/strong><\/span><\/p>\r\n<p><span style=\"color: #3366ff;\">\r\n\r\n<\/span><\/p>\r\n<p class=\"has-text-color has-text-align-right has-vivid-cyan-blue-color\" style=\"font-size: 18px;\"><span style=\"color: #3366ff;\"><strong><a style=\"color: #3366ff;\" href=\"https:\/\/cfd-mrk.ir\/index.php\/training\/flow-analysis\/fundamentals-of-cfd\/fundamentals-of-radiation-heat-transfer\/rosseland-radiation-model\/\">\u0645\u062f\u0644 \u062a\u0634\u0639\u0634\u0639 \u0631\u0627\u0633\u0644\u0646\u062f (Rosseland)<\/a><\/strong><\/span><\/p>\r\n<p><span style=\"color: #3366ff;\">\r\n\r\n<\/span><\/p>\r\n<p class=\"has-text-color has-text-align-right has-vivid-cyan-blue-color\" style=\"font-size: 18px;\"><span style=\"color: #3366ff;\"><strong><a style=\"color: #3366ff;\" href=\"https:\/\/cfd-mrk.ir\/index.php\/training\/flow-analysis\/fundamentals-of-cfd\/fundamentals-of-radiation-heat-transfer\/s2s-radiation-model\/\">\u0645\u062f\u0644 \u062a\u0634\u0639\u0634\u0639 S2S<\/a><\/strong><\/span><\/p>\r\n<p><span style=\"color: #3366ff;\">\r\n\r\n<\/span><\/p>\r\n<p class=\"has-text-color has-text-align-right has-vivid-cyan-blue-color\" style=\"font-size: 18px;\"><span style=\"color: #3366ff;\"><strong><a style=\"color: #3366ff;\" href=\"https:\/\/cfd-mrk.ir\/index.php\/training\/flow-analysis\/fundamentals-of-cfd\/fundamentals-of-radiation-heat-transfer\/mc-radiation-model\/\">\u0645\u062f\u0644 \u062a\u0634\u0639\u0634\u0639 \u0645\u0648\u0646\u062a \u06a9\u0627\u0631\u0644\u0648 (MC)<\/a><\/strong><\/span><\/p>\r\n<p><span style=\"color: #3366ff;\">\r\n\r\n<\/span><\/p>\r\n<p class=\"has-text-color has-text-align-left has-cyan-bluish-gray-color\" style=\"text-align: left;\"><em><a href=\"https:\/\/cfd-mrk.ir\/index.php\/contact-us\/\"><strong>\u0628\u0631\u0627\u06cc \u06a9\u0633\u0628 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0628\u06cc\u0634\u062a\u0631 \u0628\u0627 \u0645\u0627 \u062a\u0645\u0627\u0633 \u0628\u06af\u06cc\u0631\u06cc\u062f<\/strong><\/a><\/em><\/p>\r\n\r\n\r\n\r\n<h5 class=\"has-text-color has-text-align-left\" style=\"color: #0015a3; text-align: left;\"><span style=\"color: #0000ff;\"><strong><em><a style=\"color: #0000ff;\" href=\"https:\/\/cfd-mrk.ir\/index.php\/training\/mohammad-reza-kelich-cv\/\">\u0645\u062d\u0645\u062f\u0631\u0636\u0627 \u06a9\u0644\u06cc\u0686<\/a><\/em><\/strong><\/span><\/h5>\r\n","protected":false},"excerpt":{"rendered":"<p>\u0645\u062f\u0644 \u062a\u0634\u0639\u0634\u0639 DO Discrete Ordinates (DO) Radiation Model Theory \u0645\u062f\u0644 \u062a\u0634\u0639\u0634\u0639 DO \u0645\u0639\u0627\u062f\u0644\u0647 \u0627\u0646\u062a\u0642\u0627\u0644 \u062a\u0627\u0628\u0634\u06cc(Radiative Transfer\u00a0 Equation (RTE)) \u0631\u0627 \u0628\u0631\u0627\u06cc \u062a\u0639\u062f\u0627\u062f \u0645\u062d\u062f\u0648\u062f\u06cc \u0627\u0632 \u0632\u0648\u0627\u06cc\u0627\u06cc \u06af\u0633\u0633\u062a\u0647\u200c\u0634\u062f\u0647 \u062d\u0644 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0647\u0631\u06cc\u06a9 \u0627\u0632 \u0627\u06cc\u0646 \u0632\u0648\u0627\u06cc\u0627\u06cc \u06af\u0633\u0633\u062a\u0647\u200c\u0634\u062f\u0647 \u0628\u0627 \u06cc\u06a9 \u0628\u0631\u062f\u0627\u0631 \u062c\u0647\u062a S \u0645\u0634\u062e\u0635 \u0634\u062f\u0647 \u062f\u0631&hellip;&nbsp;<a href=\"https:\/\/cfd-mrk.ir\/index.php\/training\/flow-analysis\/fundamentals-of-cfd\/fundamentals-of-radiation-heat-transfer\/do-radiation-model\/\" class=\"more-link\">Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":6461,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-8103","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u0645\u062f\u0644 \u062a\u0634\u0639\u0634\u0639 DO - cfd-mrk<\/title>\n<meta name=\"description\" content=\"\u0645\u062f\u0644 \u062a\u0634\u0639\u0634\u0639 DO \u0645\u0639\u0627\u062f\u0644\u0647 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