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Investigation on Cryogenic Cavitation Characteristics of an Inducer Considering Thermodynamic Effects

Author

Listed:
  • Xiaomei Guo

    (School of Mechanical and Automotive Engineering, Zhejiang University of Water Resource and Electric Power, Hangzhou 310018, China)

  • Mingyu Yang

    (School of Mechanical and Automotive Engineering, Zhejiang University of Water Resource and Electric Power, Hangzhou 310018, China
    School of Mechanical and Engineering, Ningxia University, Yinchuan 750021, China)

  • Fengqin Li

    (School of Mechanical and Automotive Engineering, Zhejiang University of Water Resource and Electric Power, Hangzhou 310018, China)

  • Zuchao Zhu

    (The Zhejiang Provincial Key Laboratory of Fluid Transmission Technology, Zhejiang SCI-Tech University, Hangzhou 310018, China)

  • Baoling Cui

    (The Zhejiang Provincial Key Laboratory of Fluid Transmission Technology, Zhejiang SCI-Tech University, Hangzhou 310018, China)

Abstract

An inducer is a key component in a cryogenic pump to improve its cavitation performance. The thermodynamic effects of the cryogenic medium make the cryogenic cavitation flow extremely complicated. For this reason, it is crucial to investigate the cryogenic cavitation flow of the inducer which is equipped upstream of the cryogenic pump. In this paper, the isothermal cavitation model is modified based on the law of heat conduction, and the cryogenic cavitation model of the inducer is developed by considering thermodynamic effects. The turbulence model is also modified to account for the compressibility of cryogenic cavitation flow. The methods of numerical calculations are performed to investigate the influence of thermodynamic effects on cryogenic cavitation of the inducer. The law of the spatio-temporal evolution of cryogen cavitation in the inducer is clarified. The initial position, development and collapse phenomenon of cavitation are obtained. The relationship between the generation and collapse of the cavitation and the work capacity of the inducer’s blade, the relationship between thermodynamic effects and the influence of the inducer’s blade tip leakage vortex and thermodynamic on cryogenic cavitation of the inducer are revealed.

Suggested Citation

  • Xiaomei Guo & Mingyu Yang & Fengqin Li & Zuchao Zhu & Baoling Cui, 2024. "Investigation on Cryogenic Cavitation Characteristics of an Inducer Considering Thermodynamic Effects," Energies, MDPI, vol. 17(15), pages 1-14, July.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:15:p:3627-:d:1441446
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    References listed on IDEAS

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    1. Fan, Yading & Chen, Tairan & Liang, Wendong & Wang, Guoyu & Huang, Biao, 2022. "Numerical and theoretical investigations of the cavitation performance and instability for the cryogenic inducer," Renewable Energy, Elsevier, vol. 184(C), pages 291-305.
    2. Zhu, Di & Xiao, Ruofu & Liu, Weichao, 2021. "Influence of leading-edge cavitation on impeller blade axial force in the pump mode of reversible pump-turbine," Renewable Energy, Elsevier, vol. 163(C), pages 939-949.
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