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。
The energy equation is solved by the zonal method, and the inverse radiation problem is solved through the minimization of performance function with the conjugated gradient method.
采用段法(区域法)求解正问题，反演中采用求目标函数极小值的共轭梯度法。
The energy equation is solved by the zonal method, and the inverse radiation problem is solved through the minimization of performance function with the conjugated gradient method.
采用段法(区域法)求解正问题，反演中采用求目标函数极小值的共轭梯度法。
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