离心泵水力性能数值预测  

Numerical Prediction of Hydraulic Performance of Centrifugal Pump

作　　者：陈松[1] 朱荣生[1] 黄义刚[1] 

机构地区：[1]江苏大学流体机械工程技术研究中心,江苏镇江212013

出　　处：《农机化研究》2008年第8期203-205,共3页Journal of Agricultural Mechanization Research

基　　金：江苏省科技攻关项目(BE2006084)

摘　　要：采用标准κ-ε湍流模型和SIMPLEC算法,将近年来快速发展的CFD技术应用在不同的工况下,并对离心泵内流场三维不可压湍流的流动进行数值模拟,揭示了泵内部湍流流场的分布规律,对于了解离心泵内部的流动情况、改善内部流动、提高离心泵的效率和改进离心泵的水力设计有一定的参考价值。The standard κ-ε Turbulence model and SIMPLEC algorithm are applied to simulate the three - dimension internal flow field turbulence flow which can＇ t be compressed in centrifugal pump, and the distribution rules of the pump internal turbulence flow are calculated. The research is important for understanding the interior flow status of centrifugal pump; enhancing the centrifugal pump effficiency;and provide valuable reference information for improving hydraulic design of centrifugal pump.

关 键 词：离心泵 内流场 水力性能 数值模拟 

分 类 号：S277.92[农业科学—农业水土工程]