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    ARTICLE

    NUMERICAL CALCULATION OF REVERSE STARTUP OF A SMALL RADIAL VANE PUMP

    Feng-Lin Zhoua , Kai-Yuan Zhang a, Liang Chengb,† , Hai-Bing Caic, Yu-Liang Zhangb, Min-Feng Lvd

    Frontiers in Heat and Mass Transfer, Vol.20, pp. 1-10, 2023, DOI:10.5098/hmt.20.22

    Abstract In order to grasp the reverse startup characteristics of a small radial vane pump in the case of misoperation, a circulation piping system that includes the pump is established. Numerical simulation of the full three-dimensional unsteady incompressible viscous flow is performed based on the slip-grid technique and user-defined functions (UDF). According to the results, the static pressure fluctuation is small at the inlet of the centrifugal pump during the reverse startup, which differs significantly from the forward startup. Compared to the impeller rotational speed, the time required for the shaft power, head and flow curves… More >

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