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Influence of Properties of Hydraulic Fluid on Pressure Peaks in Axial Piston Pumps’ Chambers

Author

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  • Piotr Patrosz

    (Faculty of Mechanical Engineering and Ship Technology, Gdansk University of Technology, ul. Gabriela Narutowicza 11/12, 80-233 Gdańsk, Poland)

Abstract

The article concentrates on the research of the pressure peaks in a working chamber of an axial piston pump. The main focus of the article is the influence of fluid properties on the pressure peaks value. Experimental and analytical methods were used to determine the impact of the fluid density, viscosity, compressibility and aeration. The article describes the pressure peak generation process and explains the theoretical basis of this phenomenon. A model of aerated fluid compression and models of leakage were created using CFD analysis and mathematical equations. These partial models were then merged into one consistent model in Matlab Simulink. The final result was verified by comparing the results obtained from the mathematical model with the results of the experiment. After validation, the model was used to present explicitly how each of the mentioned fluid properties affects the pressure peak value. Additionally, the test stand and measurement equipment used in the experiment were presented along with a short description of the laboratory research and sample results.

Suggested Citation

  • Piotr Patrosz, 2021. "Influence of Properties of Hydraulic Fluid on Pressure Peaks in Axial Piston Pumps’ Chambers," Energies, MDPI, vol. 14(13), pages 1-23, June.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:13:p:3764-:d:580503
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    Citations

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    Cited by:

    1. Piotr Osiński & Adam Deptuła & Marian A. Partyka, 2022. "Hydraulic Tests of the PZ0 Gear Micropump and the Importance Rank of Its Design and Operating Parameters," Energies, MDPI, vol. 15(9), pages 1-27, April.
    2. Piotr Osiński & Urszula Warzyńska, 2022. "FEM Strength Analysis of Circumferential Compensation with Integrated Lips in Gear Pumps," Energies, MDPI, vol. 15(7), pages 1-14, April.
    3. Pawel Sliwinski & Piotr Patrosz, 2021. "Methods of Determining Pressure Drop in Internal Channels of a Hydraulic Motor," Energies, MDPI, vol. 14(18), pages 1-26, September.
    4. Marian Janusz Łopatka & Karol Cieślik & Piotr Krogul & Tomasz Muszyński & Mirosław Przybysz & Arkadiusz Rubiec & Kacper Spadło, 2023. "Research on Terrain Mobility of UGV with Hydrostatic Wheel Drive and Slip Control Systems," Energies, MDPI, vol. 16(19), pages 1-22, October.
    5. Mirosław Przybysz & Marian Janusz Łopatka & Arkadiusz Rubiec & Piotr Krogul & Karol Cieślik & Marcin Małek, 2022. "Influence of Hydraulic Drivetrain Configuration on Kinematic Discrepancy and Energy Consumption during Obstacle Overcoming in a 6 × 6 All-Wheel Hydraulic Drive Vehicle," Energies, MDPI, vol. 15(17), pages 1-21, September.

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