Coupled Physics Modelling for Bi-Directional Check Valve System

Authors

  • Shaoping Xiong Purdue University, Indiana, USA
  • John H. Lumkes Jr Purdue University, Indiana, USA

DOI:

https://doi.org/10.1080/14399776.2014.897500

Keywords:

high speed on/off valve, coupled physics model, FEA, digital hydraulics, digital pump/motor

Abstract

This paper describes the development of a high speed on/off bi-directional check valve. The design was characterized using coupled-physics modelling tools, and a prototype was constructed and tested in the laboratory. The simulated and experimental results were compared. The high speed on/off bi-directional check valve (BDCV) utilizes positive feedback of flow forces and differential port pressure to quickly open and close the primary poppet. The coupled-physics model incorporates mechanical and fluid domains, which was solved through conducting finite element analysis (FEA) on a 2D planar model. After characterizing the BDCV, the system model was expanded for a single piston pumping system using two BDCVs and the simulation on system full displacement pumping was conducted. The modelling results showed a moderate agreement with measurements, which demonstrated the capability of the coupled physics model to effectively investigate the dynamic performances of a BDCV operating in a digital pump system.

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Author Biographies

Shaoping Xiong, Purdue University, Indiana, USA

Shaoping Xiong Born on December 1, 1986 in Nanchang, Jiangxi, China. He received the BSE degree in 2008 and the MSME in 2010 from China Agricultural University. He is studying towards his PhD in the area of high speed on/off valves modeling and design for digital hydraulics at Purdue University.

John H. Lumkes Jr, Purdue University, Indiana, USA

John H. Lumkes, Jr. John received his BSE degree from Calvin College in 1990, MSE from the University of Michigan-Ann Arbor in 1992, and PhD from the University of Wisconsin-Madison in 1997. From 1997 to 2004 he was an Assistant and Associate Professor at Milwaukee School of Engineering. In 2004 he joined Purdue University and is active in digital hydraulics, modeling and controls, mechatronics, and advising senior projects.

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Published

2014-08-01

How to Cite

Xiong, S., & Lumkes Jr, J. H. (2014). Coupled Physics Modelling for Bi-Directional Check Valve System. International Journal of Fluid Power, 15(2), 55–67. https://doi.org/10.1080/14399776.2014.897500

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Section

Original Article