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March 7, 2026Chinese Journal of Mechanical EngineeringOpen Access

Comparative Research on Pressure Pulsation Characteristics of an Axial Piston Pump with Two Different Valve Plates

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Authors

XHXiaonan HouYDYizheng DuanWWWangxia Wu

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Overview

Comparative research reveals optimized valve plate reduces pressure pulsation in axial piston pumps, indicating a performance enhancement.

Key Points

  • This research aims to compare the pressure pulsation characteristics of axial piston pumps with two different valve plates to optimize performance.
  • Calculated flow areas of piston chambers for original and optimized valve plates.
  • Analyzed pressure pulsations using a numerical model and piston pump testing machine.
  • Compared the effects of different rotational speeds and load pressures on pressure pulsation.
  • Evaluated impact on volumetric efficiency of the axial piston pump.
  • Optimized valve plate reduces pressure pulsation by 69.13% at 2850 r/min and 30 MPa.
  • Volumetric efficiency decreases by 7.39% at 1000 r/min and 30 MPa due to increased leakage.

Cite This Study

Hou et al. (2025) studied this question.

synapsesocial.com/papers/69abc2175af8044f7a4eb49ahttps://doi.org/10.1016/j.cjme.2025.100118
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