The cavitation flow in a nozzle at steady spray of a diesel engine was simulated, and the formation mechanism and distribution of cavitation inside the nozzle were analyzed using mixed multiphase flow model coupled with cavitation model 摘要利用混合多相流體模型加空穴模型的方法,模擬了柴油機孔式噴油嘴穩(wěn)定噴射時嘴內的空穴流動現象,分析了空穴在噴油嘴內形成機理及其分布情況。