基于CFD的新能源重卡水冷系统优化研究

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 中图分类号：U463 DOI：10.20042/j.cnki.1009-4903.2025.06.002

CFD-Based Optimization of the Battery Thermal Management System fora New Energy Heavy-Duty Truck

Abstract：This studyaddresses theoverheatingfaultof thebaterypackinanew energyheavy-dutytruckundersupercharging conditions.Focusingonthefluidpipelinesofthebateryliquidcolingsystem，computationalfluiddynamics（CFD）simulationand optimizationanalysiswereconducted.Theresutsindicatethatthepipelinselectionandoveralayoutofthebaterycolingsystem arereasoable.Howeeriniantflowdistribtiombalancadinsuftotalfoweedentifieditteiulaedtotalflow measuredatonly80.58L/min.Afteraplatform-based upgradeof thewaterpump，theexperimental totalfow increased to min，andtheflowuniforityacrossbrachicuitsimproved.Furthermore，nofurtherovereatingfaultsccuredinthebateryder superchargingconditions.Thisstudyprovidesimportantengineeringinsightsforthethermalmanagementdesignofbaterysystemsin commercial heavy-duty trucks under supercharging conditions.

Key words：New energy heavy-duty truck; Ultra-fast charging; Liquid cooling system; CFD

0 引言

在全球交通电动化与“双碳”战略推动下，重卡的电动化转型已成必然趋势。（剩余3462字）