邱铖;方祥军;

• 1:北京航空航天大学

摘要(Abstract)：

采用数值模拟和试验研究的方法对带分流叶片的低比转速离心泵的内外特性进行了研究。根据数值计算结果,添加分流叶片后,低比转速离心泵的扬程增加了5.3%,水力效率增加了1.6%。对有无分流叶片2种情况的静压云图、流线图和速度矢量图进行对比分析,研究了分流叶片对离心泵的影响。对带分流叶片的水泵进行了性能试验,分析了试验误差,数值计算和试验结果吻合的较好。

关键词(KeyWords)： 低比转速离心泵;分流叶片;叶片扩压器;数值模拟;特性试验

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 邱铖;方祥军;

Email:

参考文献(References)：

• [1]袁寿其.低比速离心泵理论与设计[M].北京:机械工业出版社,1997:16-19.
• [2]袁寿其,何有世,袁建平,等.带分流叶片的离心泵叶轮内部流场的PIV测量与数值模拟[J].机械工程学报,2006,42(5):60-63.
• [3]Cui B,Zhu Z,Zhang J,et al.The flow simulation and experimental study of low-specific-speed high-speed complex Centrifugal Impellers[J].Chinese Journal of Chemical Engineering,2006,14(4X):435-441.
• [4]黎义斌,张德胜,赵伟国,等.叶片数及分流叶片位置对离心泵性能的影响[J].兰州理工大学学报,2008,34(2):45-48.
• [5]Shehata M H,Abd Elganny M E,Abd ELhafez A S,et al.Effect of shorted blade circumferential positions on centrifugal pump characteristics[C].10th International Energy Conversion Engineering Conference,American Institute of Aeronautics and Astronautics.2012-4098.
• [6]王业芳,张金凤,袁寿其.高温熔盐泵中分流叶片对结构动力特性的影响[J].流体机械,2016,44(8):38-44.
• [7]何有世,袁寿其,郭晓梅,等.带分流叶片的离心泵叶轮内三维不可压湍流场的数值模拟[J].机械工程学报,2004,40(11):153-157.
• [8]Ye L,Yuan S,Zhang J,et al.Effects of splitter blades on the unsteady flow of a centrifugal pump[C].ASME Fluids Engineering Division Summer Meeting,2012:435-441.
• [9]张云蕾,袁寿其,张金凤,等.分流叶片对离心泵空化性能影响的数值分析[J].排灌机械工程学报,2015,33(10):846-852.
• [10]Arndt N,Acosta A J,Brennen C E,et al.Experimental investigation of rotor-stator interaction in a centrifugal pump with several vaned diffusers[J].ASME Journal of Turbomachinery,1990,112:98-108.
• [11]Pavesi G,Ardizzon G,Cavazzini G.Numerical and experimental investigations on a centrifugal pump with and without a vaned diffuser[C].Asme International Mechanical Engineering Congress&Exposition,2004:485-493.
• [12]Segala W,Stel H,Hungria V,et al.Numerical simulation of the flow in a centrifugal pump with a vaned diffuser[C].ASME-JSME-KSME 2011 Joint Fluids Engineering Conference.American Society of Mechanical Engineers,2011:1791-1800.
• [13]Stel H,Amaral G D L,Negr?o C O R,et al.Numerical analysis of the fluid flow in the first stage of a two-stage centrifugal pump with a vaned diffuser[J].Journal of Fluids Engineering,2013,135(7):235-244.