{"id":7202,"date":"2020-01-27T16:09:19","date_gmt":"2020-01-27T12:39:19","guid":{"rendered":"https:\/\/cfd-mrk.ir\/?page_id=7202"},"modified":"2022-02-20T20:57:05","modified_gmt":"2022-02-20T17:27:05","slug":"rosseland-radiation-model","status":"publish","type":"page","link":"https:\/\/cfd-mrk.ir\/index.php\/training\/flow-analysis\/fundamentals-of-cfd\/fundamentals-of-radiation-heat-transfer\/rosseland-radiation-model\/","title":{"rendered":"\u0645\u062f\u0644 \u062a\u0634\u0639\u0634\u0639 \u0631\u0627\u0633\u0644\u0646\u062f (Rosseland)"},"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 \u0631\u0627\u0633\u0644\u0646\u062f (Rosseland)<\/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>The Theory of<\/strong> <strong> Rosseland Radiation Model<\/strong><\/h2>\r\n\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0645\u062f\u0644 \u062a\u0634\u0639\u0634\u0639<\/span> \u0631<span style=\"color: #000000;\">\u0627\u0633\u0644\u0646\u062f (Rosseland) \u06cc\u0627 \u062a\u0642\u0631\u06cc\u0628 \u0627\u0646\u062a\u0634\u0627\u0631 \u0628\u0631\u0627\u06cc \u0634\u0628\u06cc\u0647\u200c\u0633\u0627\u0632\u06cc \u062a\u0627\u0628\u0634 \u0632\u0645\u0627\u0646\u06cc \u0645\u0646\u0627\u0633\u0628 \u0627\u0633\u062a \u06a9\u0647 \u0645\u062a\u0648\u0633\u0637 \u0636\u062e\u0627\u0645\u062a \u0627\u067e\u062a\u06cc\u06a9\u06cc \u062e\u06cc\u0644\u06cc \u0628\u0632\u0631\u06af\u062a\u0631 \u0627\u0632 \u06cc\u06a9 \u0628\u0648\u062f\u0647 <strong>[a+<\/strong><strong>\u03c3<\/strong><strong><sub>\u03c2<\/sub><\/strong><strong>)L&gt;&gt;1)]<\/strong> \u0648 \u062a\u0648\u0635\u06cc\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f \u06a9\u0647 \u062f\u0631 \u0636\u062e\u0627\u0645\u062a\u0647\u0627\u06cc \u0627\u067e\u062a\u06cc\u06a9\u06cc \u0628\u0632\u0631\u06af\u062a\u0631 \u0627\u0632 3 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u0648\u062f. \u062f\u0631 \u062d\u0642\u06cc\u0642\u062a \u0628\u0627 \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0646 \u0686\u0646\u062f \u062a\u0642\u0631\u06cc\u0628\u060c \u0645\u062f\u0644 \u0631\u0627\u0633\u0644\u0646\u062f \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0627\u0632 \u0645\u062f\u0644 P-1\u00a0 \u0645\u0634\u062a\u0642 \u0634\u0648\u062f. \u0645\u062f\u0644 \u0631\u0627\u0633\u0644\u0646\u062f \u0646\u0633\u0628\u062a \u0628\u0647 \u0645\u062f\u0644 P-1 \u062f\u0648 \u0645\u0632\u06cc\u062a \u062f\u0627\u0631\u062f. \u0627\u0648\u0644 \u0627\u06cc\u0646\u06a9\u0647 \u062f\u0631 \u0645\u062f\u0644 \u0631\u0627\u0633\u0644\u0646\u062f \u0646\u06cc\u0627\u0632\u06cc \u0628\u0647 \u062d\u0644 \u06cc\u06a9 \u0645\u0639\u0627\u062f\u0644\u0647 \u0627\u0646\u062a\u0642\u0627\u0644\u06cc \u0627\u0636\u0627\u0641\u06cc \u0628\u0631\u0627\u06cc \u067e\u062f\u06cc\u062f\u0647 \u062a\u0627\u0628\u0634 \u0646\u06cc\u0633\u062a. \u062f\u0648\u0645 \u0627\u06cc\u0646\u06a9\u0647 \u0645\u062f\u0644 \u0631\u0627\u0633\u0644\u0646\u062f \u0646\u0633\u0628\u062a \u0628\u0647 \u0645\u062f\u0644 P-1 \u0633\u0631\u06cc\u0639\u062a\u0631 \u0628\u0648\u062f\u0647 \u0648 \u0628\u0647 \u062d\u0627\u0641\u0638\u0647 \u06a9\u0645\u062a\u0631\u06cc \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u062f. \u0627\u0644\u0628\u062a\u0647 \u0627\u06cc\u0646 \u0645\u062f\u0644 \u0645\u062d\u062f\u0648\u062f\u06cc\u062a\u0647\u0627\u06cc\u06cc \u0646\u06cc\u0632 \u062f\u0627\u0631\u062f. \u0627\u06cc\u0646 \u0645\u062f\u0644 \u062a\u0646\u0647\u0627 \u0628\u0631\u0627\u06cc \u067e\u0648\u0634\u0634\u0647\u0627\u06cc \u0627\u067e\u062a\u06cc\u06a9\u06cc \u0630\u062e\u06cc\u0645 (\u0628\u0632\u0631\u06af\u062a\u0631 \u0627\u0632 3) \u06a9\u0627\u0631\u0628\u0631\u062f \u062f\u0627\u0631\u062f. \u0647\u0645\u0686\u0646\u06cc\u0646 \u0628\u0627\u06cc\u062f \u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a \u06a9\u0647 \u062f\u0631 \u0635\u0648\u0631\u062a \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u06cc\u06a9\u06cc \u0627\u0632 \u0627\u0644\u06af\u0648\u0631\u062a\u0645\u0647\u0627\u06cc \u062d\u0644\u06af\u0631 Coupled \u0627\u0645\u06a9\u0627\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062f\u0644 \u0631\u0627\u0633\u0644\u0646\u062f \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0631\u062f.<\/span><\/p>\r\n<h3 style=\"text-align: right;\"><span style=\"color: #800000;\"><strong>\u062a\u0626\u0648\u0631\u06cc \u0648 \u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0645\u062f\u0644 \u0631\u0627\u0633\u0644\u0646\u062f<\/strong><\/span><\/h3>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u062f\u0631 \u0645\u062f\u0644 \u0631\u0627\u0633\u0644\u0646\u062f\u060c \u0647\u0645\u0627\u0646\u0646\u062f \u0645\u062f\u0644 P-1 \u0628\u0631\u062f\u0627\u0631 \u0634\u0627\u0631 \u062d\u0631\u0627\u0631\u062a \u062a\u0627\u0628\u0634\u06cc \u062f\u0631 \u06cc\u06a9 \u067e\u0648\u0634\u0634 \u062e\u0627\u06a9\u0633\u062a\u0631\u06cc \u0631\u0627 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0627\u0632 \u0645\u0639\u0627\u062f\u0644\u0627\u062a (1 \u0648 2)\u0645\u062d\u0627\u0633\u0628\u0647 \u0646\u0645\u0648\u062f.<\/span><\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-7211\" src=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/01\/rosseland-main-equation-300x44.png\" alt=\"\u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0645\u062f\u0644 \u0631\u0627\u0633\u0644\u0646\u062f\" width=\"800\" height=\"118\" srcset=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/01\/rosseland-main-equation-300x44.png 300w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/01\/rosseland-main-equation-768x114.png 768w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/01\/rosseland-main-equation-360x53.png 360w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/01\/rosseland-main-equation-600x89.png 600w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/01\/rosseland-main-equation.png 832w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u062a\u0641\u0627\u0648\u062a \u0645\u062f\u0644 \u0631\u0627\u0633\u0644\u0646\u062f \u0628\u0627 \u0645\u062f\u0644 P-1 \u062f\u0631 \u0627\u06cc\u0646\u0633\u062a \u06a9\u0647 \u062f\u0631 \u0627\u06cc\u0646 \u0645\u062f\u0644 \u0634\u062f\u062a \u062a\u0627\u0628\u0634 \u0647\u0645\u0627\u0646 \u0634\u062f\u062a \u062a\u0627\u0628\u0634 \u062c\u0633\u0645 \u0633\u06cc\u0627\u0647 \u062f\u0631 \u062f\u0645\u0627\u06cc \u06af\u0627\u0632 \u0627\u0633\u062a (\u062f\u0631 \u0645\u062f\u0644 P-1 \u06cc\u06a9 \u0645\u0639\u0627\u062f\u0644\u0647 \u0627\u0646\u062a\u0642\u0627\u0644 \u0628\u0631\u0627\u06cc \u00a0\u062d\u0644 \u0645\u06cc\u200c\u0634\u0648\u062f). \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0628\u0627 \u062c\u0627\u06cc\u06af\u0630\u0627\u0631\u06cc \u0645\u0642\u062f\u0627\u0631 G=4\u03c3n<sup>2<\/sup>T<sup>4<\/sup> -\u06a9\u0647 \u062f\u0631 \u0622\u0646 n \u0634\u062f\u062a \u0627\u0646\u06a9\u0633\u0627\u0631 (Refractgive Intensity) \u0645\u06cc \u0628\u0627\u0634\u062f- \u062f\u0631 \u0645\u0639\u0627\u062f\u0644\u0647 (1)\u060c \u0646\u062a\u06cc\u062c\u0647 \u0645\u06cc\u200c\u06af\u0631\u062f\u062f:<\/span><\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-7214\" src=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/01\/rosseland-main-equation-2-300x94.png\" alt=\"\u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0645\u062f\u0644 \u0631\u0627\u0633\u0644\u0646\u062f \u0627\u062f\u0627\u0645\u0647-2\" width=\"800\" height=\"251\" srcset=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/01\/rosseland-main-equation-2-300x94.png 300w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/01\/rosseland-main-equation-2-768x241.png 768w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/01\/rosseland-main-equation-2-360x113.png 360w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/01\/rosseland-main-equation-2-600x188.png 600w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/01\/rosseland-main-equation-2.png 835w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u06a9\u0647 <strong><em>k<\/em><\/strong> \u0636\u0631\u06cc\u0628 \u0647\u062f\u0627\u06cc\u062a \u06af\u0631\u0645\u0627\u06cc\u06cc \u0648 <strong><em>k<sub>r<\/sub><\/em><\/strong> \u0636\u0631\u06cc\u0628 \u0647\u062f\u0627\u06cc\u062a \u062a\u0627\u0628\u0634\u06cc \u0645\u06cc\u200c\u0628\u0627\u0634\u062f. \u0627\u0632 \u0645\u0639\u0627\u062f\u0644\u0647 (4) \u062f\u0631 \u0645\u0639\u0627\u062f\u0644\u0647 \u0627\u0646\u0631\u0698\u06cc \u0648 \u0628\u0631\u0627\u06cc \u0645\u062d\u0627\u0633\u0628\u0647 \u0645\u06cc\u062f\u0627\u0646 \u062f\u0645\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/span><\/p>\r\n<h3 style=\"text-align: right;\"><strong><span style=\"color: #800000;\">\u067e\u0631\u0627\u06a9\u0646\u062f\u06af\u06cc \u063a\u06cc\u0631 \u0647\u0645\u06af\u0646<\/span><\/strong><\/h3>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u062f\u0631 \u0645\u062f\u0644 \u0631\u0627\u0633\u0644\u0646\u062f \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u062a\u0623\u062b\u06cc\u0631 \u067e\u0631\u0627\u06a9\u0646\u062f\u06af\u06cc \u063a\u06cc\u0631 \u0647\u0645\u06af\u0646 \u0631\u0627 \u0646\u06cc\u0632 \u0645\u0646\u0638\u0648\u0631 \u06a9\u0631\u062f. \u0627\u06cc\u0646\u06a9\u0627\u0631 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0647\u0645\u0627\u0646 \u062a\u0627\u0628\u0639 \u0641\u0627\u0632 \u062a\u0639\u0631\u06cc\u0641 \u0634\u062f\u0647 <a href=\"https:\/\/cfd-mrk.ir\/index.php\/training\/flow-analysis\/fundamentals-of-cfd\/fundamentals-of-radiation-heat-transfer\/theory-of-p1-radiation-model\/\"><strong><span style=\"color: #3366ff;\">(\u0645\u0639\u0627\u062f\u0644\u0647 6) \u0628\u0631\u0627\u06cc \u0645\u062f\u0644 P-1<\/span><\/strong><\/a> \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/span><\/p>\r\n<h3 style=\"text-align: right;\"><span style=\"color: #800000;\"><strong>\u0634\u0631\u0637 \u0645\u0631\u0632\u06cc \u0645\u062f\u0644 \u062a\u0634\u0639\u0634\u0639 \u0631\u0627\u0633\u0644\u0646\u062f (Rosseland) \u062f\u0631 \u062f\u06cc\u0648\u0627\u0631\u0647\u200c\u0647\u0627<\/strong><\/span><\/h3>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0627\u0632 \u0622\u0646\u062c\u0627 \u06a9\u0647 \u062a\u0642\u0631\u06cc\u0628 \u0627\u0646\u062a\u0634\u0627\u0631 \u062f\u0631 \u0646\u0632\u062f\u06cc\u06a9\u06cc \u062f\u06cc\u0648\u0627\u0631\u0647 \u0645\u0646\u0627\u0633\u0628 \u0646\u06cc\u0633\u062a\u060c \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646 \u0646\u06cc\u0627\u0632 \u0627\u0633\u062a \u06a9\u0647 \u0627\u0632 \u0634\u0631\u0637 \u0645\u0631\u0632\u06cc \u0633\u0631\u0634 \u062f\u0645\u0627\u06cc\u06cc (Temperature Slip) \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0634\u0648\u062f. \u0634\u0627\u0631 \u062d\u0631\u0627\u0631\u062a \u062a\u0627\u0628\u0634\u06cc \u062f\u0631 \u062f\u06cc\u0648\u0627\u0631\u0647\u200c\u0647\u0627\u060c<strong>q<\/strong>r,w\u060c \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0636\u0631\u06cc\u0628 \u0633\u0631\u0634\u200c\u200c \u03a8\u060c \u0628\u0635\u0648\u0631\u062a \u0631\u0627\u0628\u0637\u0647 (7) \u0628\u062f\u0633\u062a \u0645\u06cc\u200c\u0622\u06cc\u062f. \u062f\u0631 \u0627\u06cc\u0646 \u0631\u0627\u0628\u0637\u0647\u060c <strong><em>T<\/em><\/strong><sub>w<\/sub> \u062f\u0645\u0627\u06cc \u062f\u06cc\u0648\u0627\u0631\u0647\u060c <strong><em>T<\/em><\/strong><sub>g<\/sub> \u062f\u0645\u0627\u06cc \u06af\u0627\u0632 \u0645\u062c\u0627\u0648\u0631 \u062f\u06cc\u0648\u0627\u0631 \u0645\u06cc\u200c\u0628\u0627\u0634\u062f. \u0636\u0631\u06cc\u0628 \u0633\u0631\u0634 <strong><em>\u03c8<\/em><\/strong> \u0646\u06cc\u0632 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0631\u0648\u0627\u0628\u0637 (8) \u062a\u062e\u0645\u06cc\u0646 \u0632\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f. <strong><em>N<\/em><\/strong><sub>w<\/sub> \u06a9\u0647 \u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u0647\u062f\u0627\u06cc\u062a \u0628\u0647 \u062a\u0627\u0628\u0634 \u0646\u0627\u0645\u06cc\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f \u0646\u06cc\u0632 \u0627\u0632 \u0637\u0631\u06cc\u0642 \u0645\u0639\u0627\u062f\u0644\u0647 (9) \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-7222\" src=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/01\/rosseland-main-equation-3-300x119.png\" alt=\"\u0645\u0639\u0627\u062f\u0644\u0627\u062a \u0645\u062f\u0644 \u0631\u0627\u0633\u0644\u0646\u062f \u0627\u062f\u0627\u0645\u0647-3\" width=\"800\" height=\"318\" srcset=\"https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/01\/rosseland-main-equation-3-300x119.png 300w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/01\/rosseland-main-equation-3-768x305.png 768w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/01\/rosseland-main-equation-3-360x143.png 360w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/01\/rosseland-main-equation-3-600x239.png 600w, https:\/\/cfd-mrk.ir\/wp-content\/uploads\/2020\/01\/rosseland-main-equation-3.png 840w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\r\n<h3 style=\"text-align: right;\"><strong><span style=\"color: #800000;\">\u0634\u0631\u0637 \u0645\u0631\u0632\u06cc \u0631\u0627\u0633\u0644\u0646\u062f \u062f\u0631 \u0648\u0631\u0648\u062f\u06cc\u0647\u0627 \u0648 \u062e\u0631\u0648\u062c\u06cc\u0647\u0627\u06cc \u062c\u0631\u06cc\u0627\u0646<\/span><\/strong><\/h3>\r\n<p style=\"text-align: right;\"><span style=\"color: #000000;\">\u0628\u0631\u0627\u06cc \u0645\u062f\u0644 \u0631\u0627\u0633\u0644\u0646\u062f \u062f\u0631 \u0648\u0631\u0648\u062f\u06cc\u0647\u0627 \u0648 \u062e\u0631\u0648\u062c\u06cc\u0647\u0627\u06cc \u062c\u0631\u06cc\u0627\u0646\u060c \u0645\u0634\u062e\u0635\u0647 \u062e\u0627\u0635\u06cc \u062a\u0639\u0631\u06cc\u0641 \u0646\u0645\u06cc\u200c\u0634\u0648\u062f. \u0634\u0627\u0631 \u062d\u0631\u0627\u0631\u062a \u062a\u0627\u0628\u0634\u06cc \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0631\u0632\u0647\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u0639\u0627\u062f\u0644\u0647 (4) \u0645\u062d\u0627\u0633\u0628\u0647 \u0645\u06cc\u200c\u06af\u0631\u062f\u062f. \u062f\u0631 \u0646\u0631\u0645\u200c\u0627\u0641\u0632\u0627\u0631 FLUENT \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u062f\u0645\u0627\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641\u06cc \u0628\u0631\u0627\u06cc \u0627\u0646\u062a\u0642\u0627\u0644 \u062d\u0631\u0627\u0631\u062a \u062a\u0627\u0628\u0634\u06cc \u0648 \u062c\u0627\u0628\u062c\u0627\u06cc\u06cc \u062f\u0631 \u0648\u0631\u0648\u062f\u06cc\u200c\u0647\u0627 \u0648 \u062e\u0631\u0648\u062c\u06cc\u200c\u0647\u0627\u06cc \u062c\u0631\u06cc\u0627\u0646 \u062a\u0639\u06cc\u06cc\u0646 \u06a9\u0631\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\/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-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\/do-radiation-model\/\">\u0645\u062f\u0644 \u062a\u0634\u0639\u0634\u0639 DO<\/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: #0d00a3; 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\r\n\r\n\r\n<p class=\"has-text-color has-text-align-right has-vivid-cyan-blue-color\" style=\"font-size: 18px;\">\u00a0<\/p>\r\n","protected":false},"excerpt":{"rendered":"<p>\u0645\u062f\u0644 \u062a\u0634\u0639\u0634\u0639 \u0631\u0627\u0633\u0644\u0646\u062f (Rosseland) The Theory of Rosseland Radiation Model \u0645\u062f\u0644 \u062a\u0634\u0639\u0634\u0639 \u0631\u0627\u0633\u0644\u0646\u062f (Rosseland) \u06cc\u0627 \u062a\u0642\u0631\u06cc\u0628 \u0627\u0646\u062a\u0634\u0627\u0631 \u0628\u0631\u0627\u06cc \u0634\u0628\u06cc\u0647\u200c\u0633\u0627\u0632\u06cc \u062a\u0627\u0628\u0634 \u0632\u0645\u0627\u0646\u06cc \u0645\u0646\u0627\u0633\u0628 \u0627\u0633\u062a \u06a9\u0647 \u0645\u062a\u0648\u0633\u0637 \u0636\u062e\u0627\u0645\u062a \u0627\u067e\u062a\u06cc\u06a9\u06cc \u062e\u06cc\u0644\u06cc \u0628\u0632\u0631\u06af\u062a\u0631 \u0627\u0632 \u06cc\u06a9 \u0628\u0648\u062f\u0647 [a+\u03c3\u03c2)L&gt;&gt;1)] \u0648 \u062a\u0648\u0635\u06cc\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f \u06a9\u0647 \u062f\u0631 \u0636\u062e\u0627\u0645\u062a\u0647\u0627\u06cc \u0627\u067e\u062a\u06cc\u06a9\u06cc&hellip;&nbsp;<a href=\"https:\/\/cfd-mrk.ir\/index.php\/training\/flow-analysis\/fundamentals-of-cfd\/fundamentals-of-radiation-heat-transfer\/rosseland-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-7202","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 \u0631\u0627\u0633\u0644\u0646\u062f (Rosseland) - cfd-mrk<\/title>\n<meta name=\"description\" content=\"\u0645\u062f\u0644 \u062a\u0634\u0639\u0634\u0639 \u0631\u0627\u0633\u0644\u0646\u062f (Rosseland) \u064a\u0627 \u062a\u0642\u0631\u064a\u0628 \u0627\u0646\u062a\u0634\u0627\u0631 \u0628\u0631\u0627\u064a \u0634\u0628\u064a\u0647\u200c\u0633\u0627\u0632\u064a 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