流体机械

2012, v.40;No.480(06) 14-18

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基于CFD的离心泵内部三维流动数值模拟和性能预测
Numerical Simulation of Three-dimensional Flow in Centrifugal Pump and Performance Prediction Based on CFD

王志坚;佟亮;李璐璐;郑建设;
WANG Zhi-jian1,2,TONG Liang1,LI Lu-lu3,ZHENG Jian-she1(1.Shenyang Aerospace University,Shenyang 110136 China;2.Institute of Metal Research,Chinese Academy Scienses, Shenyang 110016 China;3.Haicheng Suprasuny Pump Co.,Ltd.,Haicheng 114216,China)

摘要(Abstract):

基于N-S时均方程,利用标准k-ε湍流模型,采用FLUENT软件中的多重参考坐标系(MRF)和SIMPLE算法,对40BZ6型离心水泵叶轮和涡壳流动区域进行了全三维粘性流动数值模拟,模拟分析了离心泵内流动速度和压力的分布规律。将模拟得到的离心泵扬程、轴功率及效率与流量关系与实验数据进行对比,预测性能与实验性能吻合,为泵的优化设计提供理论基础。
It was simulated the full three-dimensional viscous flow of the impeller and volute flow fields of the 40BZ6 centrifugal water pump based on average N-S equations and standard k-ε turbulent model,using the multi-reference frame(MRF) of FLUENT software and SIMPLE algorithm.The simulation results shows the distribution laws of flow velocity and pressure in centrifugal pump.The analogue results,which show the relationship between the lift,shaft power,efficiency and flow,are compared with experimental ones,and it shows that the predicted performance coincides with the experimental one well.The simulation provides theoretical basis for the optimizing design.

关键词(KeyWords): 离心泵;数值模拟;多重参考坐标系;性能预测
centrifugal pump;numerical simulation;multi-reference frame(MRF);performance prediction

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作者(Author): 王志坚;佟亮;李璐璐;郑建设;
WANG Zhi-jian1,2,TONG Liang1,LI Lu-lu3,ZHENG Jian-she1(1.Shenyang Aerospace University,Shenyang 110136 China;2.Institute of Metal Research,Chinese Academy Scienses, Shenyang 110016 China;3.Haicheng Suprasuny Pump Co.,Ltd.,Haicheng 114216,China)

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