Near the chamber wall and impingement spray, the spray angle of the diesel fuel spray increased very fast, but that of the DME spray almost had no significant change.
在燃烧室壁面附近，柴油的喷雾锥角迅速增大，而DME喷雾锥角几乎没有明显的变化。
A mathematic model of spray wall-impingement was established based on discrete droplet model (DDM) considering the operating conditions of diesel engine.
基于离散液滴模型(DDM)，结合柴油机实际工作情况，建立了喷雾碰壁的数学模型。
The model was then coupled with KIVA program and various forms of spray wall-impingement were numerically simulated.
将该模型与KIVA程序耦合，对多种形态的喷雾碰壁进行了模拟计算。
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