A battery cooling system model of electric vehicle was established. The system model consists of a battery pack, a pump, a radiator, and a fan. A cooling plate was used to cool the battery pack, and the coolant flow rate in the cooling plate was controlled by the pump. The heat in the battery cooling system was released into the ambient air through the radiator. A finite element analysis model of the cooling plate was established to calculate the pressure drop of the cooling plate. A coupled dynamics model of the battery pack-radiator cooling system was established to simulate the temperature of the battery pack during charging and discharging. Tests were carried out to obtain the pressure drop of the cooling plate and the temperature of the battery pack under different working conditions. The simulation results and test results were compared and analyzed, and the accuracy of the models were verified. The effects of coolant flow rate and radiator wind speed on the liquid cooling process of the battery pack were analyzed.


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    Title :

    Modeling and Simulation Analysis of Electric Vehicle Battery Cooling System


    Additional title:

    Sae Technical Papers


    Contributors:
    Deng, Bin (author) / Zhou, Fu-Peng (author) / Zheng, Quanxin (author) / Shangguan, Wen-Bin (author) / Yin, Zhi (author)

    Conference:

    WCX SAE World Congress Experience ; 2023



    Publication date :

    2023-04-11




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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