王晶,冯涛,刘克,周启君
WANG Jing1,FENG Tao1,LIU Ke2,ZHOU Qi-jun2(1.Beijing Technology and Business University

• 1:北京工商大学
• 2:北京工商大学
• 3:中国科学院声学所
• 4:中国科学院声学所 北京100037

摘要(Abstract)：

应用基于四端网络的流动噪声测量方法,在专用的实验系统上,对离心泵流动噪声与其水力学参数的关系进行实验研究。实验结果表明:离心泵泵轴转速是影响离心泵流动噪声的最主要因素,它们之间总体上呈线性对应关系;离心泵出口压力对其流动噪声具有一定的影响,在标准工况处声压级最低。本文最后对流动噪声的成因进行了一定的分析,提出了原则性的噪声控制方法。
The pressure in discharge port and the rotation speed of the shaft are both the main hydraulic parameters of the centrifugal pump.The experimental research of the relationship between the flow-induced noise and the hydraulic parameters was carried out by the flow-induced measurement method based on the two-port model. The experimental results express that the rotation velocity of the pump shaft is the main reason of the flow-induced noise,their relation is linear generally; the discharge pressure give the effect on the flow-induced noise and it get to the lowest sound level at the standard state point.The mechanism of the flow-induced noise was generally analysed and the noise control methods were also referred.

关键词(KeyWords)： 离心泵;流动噪声;水力学参数;实验研究
centrifugal pump;flow-induced noise;hydraulic parameter;experimental research

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 王晶,冯涛,刘克,周启君
WANG Jing1,FENG Tao1,LIU Ke2,ZHOU Qi-jun2(1.Beijing Technology and Business University

参考文献(References)：

• [1]Simpson H C,Clark T A,Weir G A.A theoretical in-vestigation of hydraulic noise in pumps[J].Journal ofsound and vibration,1967,(5):456-488.
• [2]Chu S,Dong R,Kalz J.Relationship between unsteadyflow,pressure fluctuations,and noise in a centrifugalpump Part A:Use of PDVdata to compute the pressurefield[J].ASME Journal of fluids engineering,1995,117:30-35.
• [3]Chu S,Dong R,Katz J.Relationship between unsteadyflow,pressure fluctuations,and noise in a centrifugalpump Part B:Effects of blade-tongue interactions[J].ASME Journal of fluids engineering,1995,117:24-29.
• [4]Langthjem M A,Olhoff N.A numerical study of flow-induced noise in a two-dimensional centrifugal pump.Part I:Hydrodynamics[J].Journal of Fluids and Struc-tures,2004,19:349-368.
• [5]langthjem M A,Olhoff N.A numerical study of flow-induced noise in a two-dimensional centrifugal pump.Part II:Hydroacoustics[J].Journal of Fluids andStructures,2004,19:369-386.
• [6]冯涛.离心泵水动力噪声测试系统的研制[J].流体机械,2005,33(4):27-30.