北京理工MH_Ni电池组热管理的数值模拟与应用试验J.pdfVIP

36 4 Vo 1 36, N o14 2006 8 BA T T ER Y BIM ON THL Y A ug1 , 2006 MH/ N i 1 1 2 1 1 3 吴伯荣 , 屠海令 , 吴 锋 , 朱 磊 , 陈 晖 , 吴 宏 ( 11 北京有色金属研究总院, 北京 1000 88; 21 北京理工大学化工与环境学院, 北京 10008 1; 31 北京航空航天大学能源与动力工程学院, 北京 1000 83) : 采用三维数值模拟的方法, 研究了电动汽车实践中的两种M H/ N i 电池组结构热管理的通风冷却效果根据三维温 度场速度场压力场的计算, 分析了温度场不均匀和流动回流的因素, 并提出了结构改进建议这两种类型热管理系统在 电池组台架试验及混合动力电动车示范运行试验中的运用结果表明: 电池组内温度极差小于5 e , 系统冷却效果良好 : 电动汽车; MH/ Ni 电池组; 热管理系统; 数值模拟 : T M 9 121 2 , T M 91114 : A : 1001- 1579( 2006) 04- 0299- 03 Numerical simulati on and applicati on experiment of thermal management of Ni/ MH battery pack 1 1 2 1 1 3 WU Bo- rong , T U H a-i ing , W U Feng , ZHU Lei , CHEN H ui , WU H ong ( 11Beij ing General Research I nstitutef or N onf errous Metals, Beij ing 1000 88, China ; 21School of Chemical Engineering and Env ironment, Beij ing I nstitute of Technolog , Beij ing 10008 1, China; 31 School of Energ and Power Engineering, Beij ing Universit of A eronautics and A stronautics, Beij ing 1000 83, China) Abstract: In o rder to study the coo ing eff ect of venti ated f ow of tw o str uctures of Ni/ MH battery pack in e ectr ic vehic e prac- tices, t hree dimensiona dig ita simu ation method w as adopted1 Based on the ca cu ation resu ts of thr ee dimensiona temperature f ie d , ve ocity f ie d and pressure f ie d , the f actors of asymmetric temperature f ie d and circumf uence w ere ana yzed , and the advice