水泵空化数值模拟研究进展

Review on Numerical Simulation of Pump Cavitation

空化会导致水泵性能下降和寿命缩短.水泵空化的数值模拟是当前研究的热点之一.文中对空化数值模拟的方法进行了总结和分类,对Singhal,Zwart-Gerber-Belamri,Schnerr-Sauer和Kunz4种空化模型,以及标准k-ε,RNGk-ε和SST 3种湍流模型在水泵空化数值模拟中的应用情况进行了分析,对当前空化研究中的修正方法进行了简介,分析了当前空化数值模拟存在误差的主要原因.

Cavitation will lead to the decrease of pump performance and lifetime.Numerical simulation of the pump cavitation is one of main topics in the research field.This paper,summarized and classified the methods of cavitation research,analyzed the application of Singhal、Zwart-Gerber-Belamri、Schnerr-Sauer and Kunz cavitation models and standard k-ε、RNGk-εand SST turbulence models,introduced several ways to improve the numerical simulation of the cavitation research,and analyzed the reasons of the numerical error.