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A Study of Flow-Induced Noise in the Volute of Centrifugal Pump Based on Sysnoise

The internal flow-induced noise of the centrifugal pump is essentially caused by its complex internal flow, hence the research on the pump internal flow pattern is a crucial part of studying the flow-induced noise for centrifugal pumps. The DES unsteady simulation based on S-A model was applied to a... Full description

Journal Title: Advanced materials research 2012, Vol.468-471, p.643-649
Main Author: Yuan, Jian Ping
Other Authors: Ge, Ai Xiang , Sun, Wei , Fu, Yan Xia , Xue, Fei
Format: Electronic Article Electronic Article
Language: English
ID: ISSN: 1662-8985
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title: A Study of Flow-Induced Noise in the Volute of Centrifugal Pump Based on Sysnoise
format: Article
creator:
  • Yuan, Jian Ping
  • Ge, Ai Xiang
  • Sun, Wei
  • Fu, Yan Xia
  • Xue, Fei
ispartof: Advanced materials research, 2012, Vol.468-471, p.643-649
description: The internal flow-induced noise of the centrifugal pump is essentially caused by its complex internal flow, hence the research on the pump internal flow pattern is a crucial part of studying the flow-induced noise for centrifugal pumps. The DES unsteady simulation based on S-A model was applied to analyze the noise in the flow domains which are consist of the volute and the impeller passage in the paper. The frequency domains of pressure fluctuation at monitoring points under different operating conditions for different zones were analyzed by using SYSNOISE sound processing platform. The results show that the distribution of the acoustic source which was directly associated to the pressure fluctuation of the volute face generally aggregate at cutwater with the same frequency characteristic. Field sound pressure and dipole source do not have simple linear relationship and the strongest acoustic radiation intensity appears at blade passing frequency. Pipeline method applied in flow-induced noise measurement is effective and the flow rate is one of the major factors in acoustic radiation.
language: eng
source:
identifier: ISSN: 1662-8985
fulltext: no_fulltext
issn:
  • 1662-8985
  • 1662-8985
url: Link


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descriptionThe internal flow-induced noise of the centrifugal pump is essentially caused by its complex internal flow, hence the research on the pump internal flow pattern is a crucial part of studying the flow-induced noise for centrifugal pumps. The DES unsteady simulation based on S-A model was applied to analyze the noise in the flow domains which are consist of the volute and the impeller passage in the paper. The frequency domains of pressure fluctuation at monitoring points under different operating conditions for different zones were analyzed by using SYSNOISE sound processing platform. The results show that the distribution of the acoustic source which was directly associated to the pressure fluctuation of the volute face generally aggregate at cutwater with the same frequency characteristic. Field sound pressure and dipole source do not have simple linear relationship and the strongest acoustic radiation intensity appears at blade passing frequency. Pipeline method applied in flow-induced noise measurement is effective and the flow rate is one of the major factors in acoustic radiation.
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abstractThe internal flow-induced noise of the centrifugal pump is essentially caused by its complex internal flow, hence the research on the pump internal flow pattern is a crucial part of studying the flow-induced noise for centrifugal pumps. The DES unsteady simulation based on S-A model was applied to analyze the noise in the flow domains which are consist of the volute and the impeller passage in the paper. The frequency domains of pressure fluctuation at monitoring points under different operating conditions for different zones were analyzed by using SYSNOISE sound processing platform. The results show that the distribution of the acoustic source which was directly associated to the pressure fluctuation of the volute face generally aggregate at cutwater with the same frequency characteristic. Field sound pressure and dipole source do not have simple linear relationship and the strongest acoustic radiation intensity appears at blade passing frequency. Pipeline method applied in flow-induced noise measurement is effective and the flow rate is one of the major factors in acoustic radiation.
doi10.4028/www.scientific.net/AMR.468-471.643