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。