Test of flow distribution was performed on the cylinder head of typical Turbocharged diesel engine using flow display method and 2d flow field of cooling water in the cylinder head was obtained.
采用流动显形法对典型增压柴油机气缸盖进行水流分布试验，得到冷却水在缸盖中的二维流场。
A pressure correction algorithm was taken out to solve 2d viscous turbulent flow field.
给出了基于非结构化网格数值求解二维粘性湍流分离流场的压力修正算法。
Thirdly, a 3D computation model of the mid-span section deck was established, the similarity and difference between 2D and 3D numerical simulation of flow field are compared also.
建立跨中截面三维计算模型，比较三维与二维流场数值模拟的异同。
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