The purpose of this study is to investigate the vibration mechanism of a spring-loaded valve placed in a “push-to-open” configuration in a piping system. A non-linear theoretical model of the valve vibration is developed to describe the interaction mechanisms between the unsteady flow through the valve, the acoustic field in the piping system, and the oscillation of the valve plate. The aim of this phenomenological model is to better understand the main system parameters causing the valve vibration. The model relies on a one-dimensional unsteady Bernoulli representation of the flow and a single degree of freedom model of the valve plate motion with impact conditions at the valve seat and lift limiter. Impact forces are determined through the means of a pseudo-force method. The model is cast in state-space form and solved using a fourth-order Runge-Kutta stencil. The predicted limit cycle amplitudes follow the same trends as experimental findings over the opening range of the valve. Modal characteristics are also consistent with experimental data.
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ASME 2017 Pressure Vessels and Piping Conference
July 16–20, 2017
Waikoloa, Hawaii, USA
Conference Sponsors:
- Pressure Vessels and Piping Division
ISBN:
978-0-7918-5797-7
PROCEEDINGS PAPER
Characterization of Flow-Sound-Structure Coupling in Spring-Loaded Valves
Salim El Bouzidi,
Salim El Bouzidi
McMaster University, Hamilton, ON, Canada
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Marwan Hassan,
Marwan Hassan
University of Guelph, Guelph, ON, Canada
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Samir Ziada
Samir Ziada
McMaster University, Hamilton, ON, Canada
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Salim El Bouzidi
McMaster University, Hamilton, ON, Canada
Marwan Hassan
University of Guelph, Guelph, ON, Canada
Samir Ziada
McMaster University, Hamilton, ON, Canada
Paper No:
PVP2017-65767, V004T04A054; 6 pages
Published Online:
October 26, 2017
Citation
El Bouzidi, S, Hassan, M, & Ziada, S. "Characterization of Flow-Sound-Structure Coupling in Spring-Loaded Valves." Proceedings of the ASME 2017 Pressure Vessels and Piping Conference. Volume 4: Fluid-Structure Interaction. Waikoloa, Hawaii, USA. July 16–20, 2017. V004T04A054. ASME. https://doi.org/10.1115/PVP2017-65767
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