多维辐射-导热耦合传热间题有广泛的应用背景.本文采用有限元法对辐射传递方程的离散坐标形式进行离散,并采用有限元法求解瞬态辐射-导热耦合能量方程,研究二维方腔半透明参与性梯度折射率介质内瞬态耦合传热,考虑第一类热边界条件,分析了折射率分布、衰减系数、散射反照率及散射相函数对对瞬态耦合传热的影响.结果表明,梯度折射率对瞬态耦合传热影响显著.
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