Based on the original conception of total radiant exchange area, the total radiant exchange areas for non-gray medium with gray enclosure are derived.
从辐射全交换面积的概念出发，推导了封闭空间边界为灰体，介质为非灰气体的辐射全交换面积计算式。
The numerical simulation results indicate that the finite volume method and spectral band model is suitable to deal with coupled radiation-conduction heat transfer of non-gray medium.
经与光线踪迹法、离散传递法的计算结果比较表明，谱带模型与有限体积解法相结合能处理多场耦合下非灰介质内的辐射换热。
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