摘要

建立了某电动车电池包3维模型,并采用数值模拟方法分析了电池包自然对流和强制通风冷却时的稳态温度场,结果表明2种方式都不能较好地满足电池的散热要求;据此设计了5种结构改进方案。通过CFD模拟发现:在电池包中部设置开口挡板并依次错位布置进风口、通风口和出风口,可以达到较好的散热效果,电池包最高温度下降了8.3℃、最大温差下降了7.3℃、单体电池的最大温差下降了6.1℃。

  • 单位
    湖北汽车工业学院
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