基于有限体积法的二维传热系统熵产研究

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1、工学硕士学位论文基于有限体积法的二维传热系统熵产研究ASTUDYOFENTROPYPRODUCTIONFORTWODIMENSIONALHEATTRANSFERSYSTEMBYFINITEVOLUMEMETHODALIANWARBROHI哈尔滨工业大学2015年07月工学硕士学位论文基于有限体积法的二维传热系统熵产研究硕士研究生：ALIANWARBROHI导师：李建广(教授)副导师：张昊春（副教授）申请学位：工学硕士学科：机械制造及其自动化所在单位：机电工程学院答辩日期：2015年07月授予学位单位：哈尔滨工业大学Dissert

2、ationfortheMasterDegreeinEngineeringASTUDYOFENTROPYPRODUCTIONFORTWODIMENSIONALHEATTRANSFERSYSTEMBYFINITEVOLUMEMETHODCandidate：AliAnwarBrohiSupervisor：Prof.LiJian-GuangCo-Supervisor:AssociateProf.ZhangHaochunAcademicDegreeAppliedfor:MasterofEngineeringSpecialty：Mechan

3、icalManufacturingandAutomationAffiliation：SchoolofMechatronicsEngineeringDateofDefence：July,2015Degree-Conferring-Institution：HarbinInstituteofTechnologyDissertationfortheMasterDegreeinEngineering,HITAbstractThecurrentprogressinthefieldofComputationalFluiddynamics(CF

4、D)hascompelledmanyresearcherstousecomputerbasedsolutionsinsteadofexperimentalsetupin-ordertounderstandandvalidatetheirfindings.Heattransferandfluidflowareimportantareasofresearchduetoitswideapplicationsinthisworldofmoderntechnology.Theconceptofentropyproductionthroug

5、hheattransferandfluidflowismostlyfoundinmanyindustrialapplications.Therefore,itisnecessarytoexaminetheeffectsofentropyproductionthroughheattransferandfluidflowatdifferentworkingconditions.Inthisdissertationtheentropyproductionfortwo-dimensionalheattransfersystemhasbe

6、enanalyzedsystematicallywiththehelpofsuitablenumericalschemebasedonFinitevolumemethod(FVM).ThecomputationshavebeenperformedbyemployingComputationalfluiddynamics(CFD)codes.Wehaveinvestigatedtheaccuracyandstabilityofnumericalsimulationfortwo-dimensionalheattransfersyst

7、emandwehavealsoanalyzedthebehaviorofentropyproductionwitheffectofheatfluxfordifferentgeometries.Furthermore,theeffectsofentropyproductionrateonapipewereexamined.Theproblemswereinvestigatedbyusingentropyproductionformulaalongwithnumericaltechniques..Thesteadystateheat

8、conductionproblemhasbeeninvestigatedforentropyproductionbyconsideringeffectofheatflux.Theresultsshowthattheentropyproductionprofile