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叙述了有介质参与的三维空腔内辐射换热的离散坐标解法,并编制程序对三维矩形炉膛内辐射换热进行了数值模拟,计算结果与区域法吻合,是炉内辐射传热数值模拟的一种较好方法。最后展望并指出求解辐射传递方程的离散坐标法在非正交坐标系下应用的重要性。
The discrete coordinate method for the radiation heat transfer in a three-dimensional cavity with medium is described. The program is used to simulate the radiation heat transfer in the three-dimensional rectangular furnace. The calculated result is consistent with the area method. It is a numerical simulation of radiative heat transfer in the furnace A better way. Finally, it is pointed out that the discrete coordinate method for solving the radiation transfer equation is of importance in non-orthogonal coordinate systems.