空穴模型 meaning in Chinese

hole model

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体模型加空穴模型的方法，模拟了柴油机孔式喷油嘴稳定喷射时嘴内的空穴流动现象，分析了空穴在喷油嘴内形成机理及其分布情况。