柴油机活塞温度场和耦合应力计算

櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅殯殯殯殯2012-04-231966－。121.7100542.713105AVLBOOSTANSYS。TK423.4+3A1001－4357201204－0039－05TemperatureFieldandCouplingStressAnalysisofDieselEngines’PistonsDaiQuanchun1ZhaoJianping21．NavalDeputyBureauofXi’anShanxiXi’an7100542．ShanxiDieselEngineHeavyIndustryCo．Ltd．ShanxiXingping713105AbstractTheAVLBOOSTsoftwarewasadoptedtocalculatetheworkingprocessofpistonanditsheatexchangeboundaryconditionanditshighestcombustionpressurewereobtained．Basedontheresultsthetemperaturefieldofpistonwithorwithoutcoolinganditscouplingstressanddeformationwereanalyzedu-singFEMsoftwareANSYS．Moreovertheconnectingboltsofpistonwereexaminedforitsstressintensity．KeywordspistontemperaturefieldstressfieldFEM0、、、、、1、。、。。ANSYS。1。pro/E、、1/4。SOLIDE90SOL-IDE701、2。3420124DieselEngineVol．342012No．41221。1/kg·m－3/W·m·K－1/GPa/J·kg·K－17800402.06E110.346027001387.9E100.3390233.1。。AVL－BOOST3、4。1800K990K579W·m2·K－1。。1/4～1/5。、、。3.2、。pz、、2。3.3。。44.13。·04·3445。55326℃111℃、。151.99℃129.39℃。。100.745～129.52℃129℃100℃。。6。6349MPa。·14·20127275.5MPa。221MPa。0.510mmX0.424mmZ0.438mm。4.2。7。7133～622℃。280℃180℃。。47℃。78。88。·24·344443MPa。。。X0.77mm。Z0.785mm0.5058mm。5。。。9、10。65N·m。65N·m30952N4。73350N。11。11879.037MPa。42CrMo930MPa1080MPa。。。116。。1。。349MPa。2。47℃。。Z。。3。1．M．．．1995．2．D．2002．3．D．2006．4．．M．．2003．·34·20127