中开多级离心泵效率优化计算方法

童水光,赵航,刘会琴,童哲铭,余跃,唐宁,吴伟杰,李进富,从飞云,张昊,王寅华,郝国帅

Optimization calculation method for efficiency of multistage split case centrifugal pump

Shui-guang TONG,Hang ZHAO,Hui-qin LIU,Zhe-ming TONG,Yue YU,Ning TANG,Wei-jie WU,Jin-fu LI,Fei-yun CONG,Hao ZHANG,Yin-hua WANG,Guo-shuai HAO

表 3 4种计算模型Pareto最优解及CFD数值模拟分析

Tab.3 Pareto optimal solution and CFD numerical simulation analysis of four calculation models

模型 D2/mm b2/mm β2/（°） 模型理论计算值 CFD仿真计算值 误差/% H/m P/kW η/% H/m P/kW η/% H P η HLoss 273.9 14.0 17.0 82.40 26.51 75.98 76.89 24.55 74.10 7.15 7.98 3.78 RSF 279.0 13.0 15.0 84.19 26.11 77.32 83.77 26.03 77.26 0.50 0.31 0.08 RBF 277.0 14.5 15.0 83.13 26.30 75.85 83.09 26.00 76.63 0.50 1.15 1.02 KRG 275.0 15.5 15.0 84.06 26.69 75.02 82.13 25.98 75.81 2.35 2.73 1.04