The distributed parameter method is used to establish the dynamic simulation model of the electric vehicle thermal management system and various parts, and the finite difference method is used to solve the model. A thermal management system model with same structure is established by AMESIM, and the accuracy of the dynamic simulation model is verified by comparing the deviation of the calculation result between this dynamic simulation model and AMESIM. Based on the established model, the influence of expansion valve opening on the temperature of battery pack and the influence on the heating comfort of the cabin were studied. A control strategy for the rapid cooling of the battery pack was proposed. The results show that the model established by the distributed parameter method provides quite well agreement with commercial equivalent software and can well reflect the flow state of the refrigerant in different zones of the same component. The designed battery pack cooling control strategy can quickly cool the battery pack down.


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    Titel :

    Modeling and Simulation Analysis of Electric Vehicle Thermal Management System Based on Distributed Parameter Method


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Kong, HaiQin (Autor:in) / Fan, Shuang (Autor:in) / Shangguan, Wen-Bin (Autor:in)

    Kongress:

    WCX SAE World Congress Experience ; 2022



    Erscheinungsdatum :

    2022-03-29




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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