Analysis and Optimization on U-shaped Damping Groove for Flow Ripple Reduction of Fixed Displacement Axial-Piston Pump

Hao-cen HONG; Bin ZHANG; Min YU; Qi ZHONG; Hua-yong YANG

doi:10.5293/IJFMS.2020.13.1.126

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자료유형: 학술저널

저자정보: Hao-cen HONG (Zhejiang University) Bin ZHANG (Zhejiang University) Min YU (Imperial College South Kensington Campus) Qi ZHONG (Zhejiang University) Hua-yong YANG (Zhejiang University)

저널정보: 한국유체기계학회 International Journal of Fluid Machinery and Systems International Journal of Fluid Machinery and Systems Vol.13 No.1

발행연도: 2020.3

수록면: 126 - 135 (10page)

DOI: 10.5293/IJFMS.2020.13.1.126

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The periodic flow ripples and pressure pulsations in a fixed-displacement axial-piston pump will directly impact its dynamic characteristics. To reduce the discharge flow ripples and pressure pulsations is one of the design challenges. An optimizing method is investigated herein using numerical models. The U-shaped damping groove at the discharge kidney groove is the primary optimized object. The numerical models of a fixed-displacement axial-piston pump with nine pistons are proposed and developed by MATLAB/Simulink. The effects of width radius, groove depth and groove length angle on flow dynamics are discussed. The optimization models based on the root-mean-square, the pulsation and the suction-extrusion ratio are proposed. As results show that the optimized structure can decrease the flow ripples from 31.08% to 20.33%.

#Fixed-displacement axial-piston pump #U-shaped damping groove #Flow ripple reduction #Structure optimization

참고문헌 (16)

참고문헌 신청

Edge K A / 1986 / The pimping dynamics of swash plate piston pumps / AMSE Journal of Dynamic System Measurement and Control 111(2):307~312

Edge K A / 1988 / A theoretical model of axial-piston pimp flow ripples / Proceeding of the First Bath International Fluid Power Conference

Maring N D / 2000 / The discharge flow ripple of an axial-piston swash-plate type hydrostatic pump / ASME Journal of Dynamic System, Measurement, and Control 122:263~268

Ji-en MA / 2010 / Optimization of cross angle based on the pumping dynamics model / Journal of Zhejiang University SCIENCE A 11(3):181~190

F. Yin / 2016 / Numerical and experimental study of cavitation performance in sea water hydraulic axial-piston pump / Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering 230(8):716~735

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