吉林大学学报(工学版) ›› 2018, Vol. 48 ›› Issue (5): 1339-1348.doi: 10.13229/j.cnki.jdxbgxb20170860
王炎1,2, 高青1,2, 王国华1,2, 张天时1,2, 苑盟1
WANG Yan1,2, GAO Qing1,2, WANG Guo-hua1,2, ZHANG Tian-shi1,2, YUAN Meng1
摘要: 电池组内良好的温度一致性是保证电动汽车切实可靠运行的必备条件,为了强化换热,减小组内温度差异性,本文提出了在电池模组内加设风扇的混流集成式电池组热管理方案。通过仿真计算,分析对比了单一液流与集成式两种热管理方式电池的温降性和温均性,以温度相异系数和温度极差为标准,分析评价了风扇气动性强化和装配高度对电池组温均性的改善效果。仿真结果表明:随着风扇气动特性强化,组内温度一致性得到了有效改善,为了强化末端换热和改善液流板下置的传热延迟,风扇应优先装配在高位。本文提出的混流集成式电池热管理方案具有良好的温均增效性,利于保证电池寿命和电动汽车整车性能。
中图分类号:
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