板翅式机油冷却器流动和换热性能的CFD研究.pdf

板翅式机油冷却器流动和换热性能的CFD研究 郭丽华覃峰陈江平 陈芝久 (上海交通大学制冷与低温工程研究所，上海200030) 格；利用计算流体力学(CFD)软件解算出板翅式机油冷却器的流场和温度场分布。在相同工况下进行油冷 器性能实验，仿真数据与实验结果吻合较好．研究了各层芯片的机油流量、水侧流速及换热量的分配规律， 并指出水例流场的不均匀是导致各层芯片换热性能差异的主要原因。提出采用最小标准偏差作为油冷器 水、油侧流量和换热量分布的优化目标。 关键词板翅式机油冷却器有限元分析计算流体力学 CFD ONFLOWA加娅ATTRANSFERPEI心0R^嗄ANCEFORPLA：IEFIN STU口[Y 0Ⅱ。COOLERS GuoLihua Chen Cheniu QinFeng JiangpingZhij of and (InstituteRefrigerationCryogenics，ShanghaiJiaotongUniversity,Shanghai200030) AbstractBasedon offiniteelement software parametricdesignlanguage analysis wereconstructed the of fluid software．theflowand parametrically．Withhelp computationaldynamics distributionswereobtained．Theoil Wastestedunderthesameworkconditions cooler temperature performance in andthe resultsare withthe results．ThenonuniforlTldistribution computational goodagreementexperimental ofoilflow andheat rateoneachcore were rate，water regulations velocity exchange layer resultsindicatedthatthenonuniforillwaterflowdistributioniSthemaincourseofthedifferenceheat among Was forwardtobethe transfer ofeachcore Theminimumstandarddeviation performance iayeL put forflowandheat ratedistributionofoilcoolers． object exchanger PIatefin0ilcoolerFiniteelement CFD Keywords analysis 0前言 提出多种强化传热表面并进行了系统研究。板翅式 换热器的传统研究主要采用实验和解析途径，通过