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Flow ripple reduction of an axial piston pump by a combination of cross-angle and pressure relief grooves: Analysis and optimization

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Abstract

This paper investigates the potential of flow ripple reduction of an axial piston pump by a combination of cross-angle and pressure relief grooves. A dynamic model is developed to analyze the pumping dynamics of the pump and validated by experimental results. The effects of cross-angle on the flow ripples in the outlet and inlet ports, and the piston chamber pressure are investigated. The effects of pressure relief grooves on the optimal solutions obtained by a multi-objective optimization method are identified. A sensitivity analysis is performed to investigate the sensitivity of cross-angle to different working conditions. The results reveal that the flow ripples from the optimal solutions are smaller using the cross-angle and pressure relief grooves than those using the cross-angle and ordinary precompression and decompression angles and the cross-angle can be smaller. In addition, when the optimal design is used, the outlet flow ripples sensitivity can be reduced significantly.

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Authors and Affiliations

  1. The State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, Hangzhou, 310027, China

    Bing Xu, Shaogan Ye, Junhui Zhang & Chunfeng Zhang

Authors
  1. Bing Xu
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  2. Shaogan Ye
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  3. Junhui Zhang
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  4. Chunfeng Zhang
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Corresponding author

Correspondence to Junhui Zhang.

Additional information

Recommended by Associate Editor Donghyun You

Xu Bing was born in 1971. He is currently a professor in Zhejiang University. He received his B.S., M.S. and Ph.D. degree in Zhejiang University, Hangzhou, China in 1992, 1995 and 2001, respectively. His research interests are fluid power systems and components.

Ye Shaogan was born in 1989. He is currently a Ph.D. candidate in Zhejiang University. He received his B.S. degree in Northeastern University, Shenyang, China in 2011. His research interest is noise control of axial piston machines.

Zhang Junhui was born in 1983. He is currently a research fellow in Zhejiang University. He received his B.S. and Ph.D. degrees in Zhejiang University, Hangzhou, China in 2007 and 2012, respectively. His research interests are fluid power systems and components.

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Xu, B., Ye, S., Zhang, J. et al. Flow ripple reduction of an axial piston pump by a combination of cross-angle and pressure relief grooves: Analysis and optimization. J Mech Sci Technol 30, 2531–2545 (2016). https://doi.org/10.1007/s12206-016-0515-9

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  • DOI: https://doi.org/10.1007/s12206-016-0515-9

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