A single zonal method was developed accordingly to predict the diesel in-cylinder radiation heat transfer.
与实验结果比较表明，该模型能更准确地模拟缸内辐射传热量。
Based on the conception of zonal method, the total radiant exchange area for flame zone to surface zone of the diesel in-cylinder was derived.
从段法基本概念出发，推得了柴油机缸内火焰段对整个缸壁段的辐射全交换面积计算式，并以此为基础给出了缸内辐射传热的单区段法模型。
Results show that the zonal method combined with the conjugate gradient method can solve the equivalent gray absorption coefficient well in the non-gray gases system.
数值模拟结果表明，段法与共轭梯度法结合可以较好地反演非灰系统的当量灰吸收系数。
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