Investigation on cavitating flow and parameter effects in a control valve with a perforated cage

Hong Wang; Zhimao Zhu; Miao Zhang; Jie Li; Weiqi Huo

doi:https://doi.org/10.1016/j.net.2021.02.003

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자료유형: 학술저널

저자정보: Hong Wang (Naval Architecture and Ocean Engineering College, Dalian Maritime University) Zhimao Zhu (Naval Architecture and Ocean Engineering College, Dalian Maritime University) Miao Zhang (Naval Architecture and Ocean Engineering College, Dalian Maritime University) Jie Li (Naval Architecture and Ocean Engineering College, Dalian Maritime University) Weiqi Huo (Liaoning Hongyanhe Nuclear Power CO. LTD)

저널정보: 한국원자력학회 Nuclear Engineering and Technology Nuclear Engineering and Technology 제53권 제8호

발행연도: 2021.8

수록면: 2,669 - 2,681 (13page)

DOI: https://doi.org/10.1016/j.net.2021.02.003

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Valve is widely used in the various industry areas to adjust and control the flow. Cavitation frequentlytakes place and sometimes is inevitable in various types of valve to cause the erosion damage. Therefore,how to control and minimize the effect of cavitation is still an important topic. This study numericallyinvestigates the cavitating flow in a control valve with a perforated cage. The effects of some parameterson the cavitation are discussed. It also discusses to use the throttling steps to govern the cavitating flow. The results show that the opening degree of valve and the length of downstream divergent connectionboth influence the cavitation. The increase of the divergent length reinforces the cavitation. And thelarger the opening of valve is, the intenser the cavitation is and the more vapor is present. The morethrottling steps are helpful to decrease the cavitation

#Valve cage #Throttling step #Cavitation erosion

참고문헌 (17)

참고문헌 신청

C.E. Brennen / 1995 / Cavitation and Bubble Dynamics / Oxford University Press

Ce An / 2020 / The cavitation performance analysis of the RCP under LBLOCA at inlet / Ann. Nucl. Energy 148:107605

G. F. Ou / 2015 / Investigation on cavitation flow in pressure relief valve with high pressure differentials for coal liquefaction / Procedia Engineering 130:125~134

Bo Liu / 2017 / Numerical analysis of cavitation erosion and particle erosion in butterfly valve / Eng. Fail. Anal 80:312~324

Riccardo Amirante / 2014 / Experimental and numerical analysis of cavitation in hydraulic proportional directional valves / Energy Convers. Manag 87:208~219

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