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http://dx.doi.org/10.5762/KAIS.2012.13.10.4371

Study on Vibration Induced by Fluid at a Water Pressure Reducing Valve through Structure-Fluid Coupled Analysis  

Park, Woo-Cheul (Dept. of Vehicle Eng. Kangwon National University)
Lee, Joong-Kuen (ShinWoo ENC)
Kim, Il-Gyoum (ChomDan Mechanical Co. Ltd., R&D Center)
Park, Yong-Suk (Dept. of Mechanical Eng., Inha Technical College)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.13, no.10, 2012 , pp. 4371-4377 More about this Journal
Abstract
In this paper, the structure-fluid coupled analysis is carried out in order to examine the cause of the vibration induced by fluid in the pressure-reducing valves for water. It is confirmed that there is the noise at the area of low frequency of 250Hz by measuring noise at pressure reducing valve. The flow analysis is performed by the commercial software ANSYS/CFX. The flow velocity of about 40 m/s is formed by nozzle effect, and so negative pressure is happened in the pressure reducing valve. The structure analysis is carried out with the load condition of pressure distribution by flow formed in valve. The rubber material at disk is deformed to the extent of closing up flow passage. It is confirmed that the disc deformation which is occurred repeatedly is due to noise and vibration at the pressure reducing valve.
Keywords
Pressure Reducing Valve:PRV; Noise; Fluid Induced Vibration; Structure-Fluid Coupled Analysis; Cavitation;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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