Study on reducing both flow force and cavitation in poppet valves-Reference-Cited by-同舟云学术

Study on reducing both flow force and cavitation in poppet valves

Published:2022-06-30 Issue:23 Volume:236 Page:11160-11179
ISSN:0954-4062
Container-title:Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science
language:en
Short-container-title:Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science

Author:

Hao Qianhua¹²,Wu Wanrong²,Tian Guangtian²

Affiliation:

1. School of Energy and Electromechanical, Hunan University of Humanities, Science and Technology, Loudi, China

2. College of Mechanical and Electrical Engineering, Central South University, Changsha, China

Abstract

The present work is aimed at simultaneously reducing the additional flow force on the cone and cavitation intensity in a poppet valve. A prediction model of flow force on the cone and cavitation was established for the poppet valve by using computational fluid dynamics method (CFD) combined with Zwart–Gerber–Belamri cavitation model. The effects of three poppet valve configurations and their parameters on the flow force and cavitation intensity in valves were investigated. The research results indicate that, compared with the poppet valve A, the poppet valve B has an excellent ability to decrease the flow force on the cone, but promotes the cavitation intensity in the valve. The poppet valve C can not only significantly decrease the flow force on the cone but also has the potential to reduce cavitation intensity in the valve. When the parameter h is 6 mm and the parameter t is 2 mm, the flow force and the relative vapor volume in the valve C can be reduced by an average of 44.2% and 100%, respectively.

Publisher

SAGE Publications

Subject

Mechanical Engineering

Link

http://journals.sagepub.com/doi/pdf/10.1177/09544062221110729

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