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Research on Cavitation of the Rotating-Sleeve Distributing Flow System Considering Different Cam Groove Profiles

Author

Listed:
  • Shanxiao Du

    (College of Mechanical and Electrical Engineering, Qingdao University, Qingdao 266071, China
    Power Integration and Energy Storage Systems Engineering Technology Research Center, Qingdao University, Qingdao 266071, China)

  • Jichao Hong

    (School of Mechanical Engineering, University of Science and Technology Beijing, Beijing 100083, China
    Shunde Graduate School, University of Science and Technology Beijing, Foshan 528000, China
    The co-first author and has equal contribution to the work with the first author.)

  • Hongxin Zhang

    (College of Mechanical and Electrical Engineering, Qingdao University, Qingdao 266071, China
    Power Integration and Energy Storage Systems Engineering Technology Research Center, Qingdao University, Qingdao 266071, China)

  • Qinghai Zhao

    (Power Integration and Energy Storage Systems Engineering Technology Research Center, Qingdao University, Qingdao 266071, China)

  • Tiezhu Zhang

    (School of Transportation and Vehicle Engineering, Shandong University of Technology, Zibo 255000, China)

  • Xiaoming Xu

    (School of Mechanical Engineering, University of Science and Technology Beijing, Beijing 100083, China
    Shunde Graduate School, University of Science and Technology Beijing, Foshan 528000, China)

  • Xiaotian Jiang

    (College of Mechanical and Electrical Engineering, Qingdao University, Qingdao 266071, China
    Power Integration and Energy Storage Systems Engineering Technology Research Center, Qingdao University, Qingdao 266071, China)

Abstract

Reciprocating piston pumps are widely used in various fields, such as automobiles, ships, aviation, and engineering machinery. Conventional reciprocating piston pump distributing flow (RPPDF) systems have the disadvantages of a loose structure and low volumetric efficiency, as well as affected positively by the operating frequency. In this paper, a novel rotating-sleeve distributing flow (RSDF) system is presented for bridging these drawbacks, as well as structurally improved to overcome the inoperable and challenging problems in oil intake and discharge found in the experiment. Moreover, the Singhal cavitation model specifically for the RSDF system and four-cam groove profiles (CGPs) is established. To find the most suitable CGP to reduce the RSDF’s cavitation, the cavitation of the RSDF system was investigated, combining with simulations by taking into account the gap among the rotating sleeve, the pump chamber, and experiments on four presented CGPs. Simulation results based on vapor volume fraction, cavitation ratio, and volumetric efficiency show that the linear profile’s cavitation is the weakest. Finally, the correctness of the simulation is verified through orthogonal experiments. This research is of great significance to the further development of the RSDF system; more important, it has great potential to promote the reform of the RPPDF method.

Suggested Citation

  • Shanxiao Du & Jichao Hong & Hongxin Zhang & Qinghai Zhao & Tiezhu Zhang & Xiaoming Xu & Xiaotian Jiang, 2021. "Research on Cavitation of the Rotating-Sleeve Distributing Flow System Considering Different Cam Groove Profiles," Energies, MDPI, vol. 14(8), pages 1-17, April.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:8:p:2139-:d:534181
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    References listed on IDEAS

    as
    1. Qinghai Zhao & Hongxin Zhang & Yafei Xin, 2021. "Research on Control Strategy of Hydraulic Regenerative Braking of Electrohydraulic Hybrid Electric Vehicles," Mathematical Problems in Engineering, Hindawi, vol. 2021, pages 1-9, February.
    Full references (including those not matched with items on IDEAS)

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