不同布置结构的锂离子电池组并行风冷散热性能研究

andcomparesandРanalyzestheheatdissipationperformanceofthefivebatterypackmodelsusingcomputationalfluiddynamics(CFD)Рmethods.Finally,formodel5withthebestheatdissipationeffect,theinfluenceofairflowonitsheatdissipationРperformanceisstudied.Theresultsshowthatthedual-rowstructureandU-typeflowchannelofthebatterypackРhavebetterheatdissipationeffectsthanthesingle-rowstructureandZ-typeflowchannel;lateralventilationcanРimprovethetemperatureuniformityofthebatterypack;appropriatelyincreasingtheairflowcaneffectivelyimproveРtheheatdissipationperformanceofthebatterypack,butContinuingtoincreasetheflowratewillnotcontinuetoРimprovetheheatdissipationperformanceandwillresultinpoortemperatureuniformity.Р Key words:Batterythermalmanagement;Lithium-ionbatterypack;Parallelaircooling;HeatdissipationРperformance