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梯度折射率对半透明介质温度场的影响

Keywords: 梯度折射率辐射换热半透明介质热光学温度分布

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Abstract:

对梯度折射率半透明介质内辐射热平衡温度场进行了计算,考察了黑壁面及镜反射半透明界面时,线性和正弦两种不同折射率分布对温度分布的影响.当介质层边界为黑壁面,辐射能从光密介质向光疏介质传递时发生全反射导致某个热源在换热中的作用增大.当介质层具有镜反射半透明边界,除上述作用外,界面处的辐射换热也对介质内温度场产生影响.

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