講座簡介02吉洪湖jhhpenuaaedu mscstudents

HeatHeatClass0212201-吉洪湖(JiHonghu)DepartmentofEnergyEngineeringCollegeofEnergyandPowerEngineeringTelmail:Teachingassistant:MSc205PowerEngineering416ElectronicandInformationEngineeringBuildingTel:84892200-22052014年9月23日~2015年1月2CollegeofEnergyandPowerEngineering RecommendedJohnH.LienhardIVandJohnH.LienhardV,AHeatTransferTextbook,Thirdedition,PhlogistonPress,Cambridge,Massachusetts,USA，2002Key王寶官，傳熱學，航空工業(yè)出版社，楊世銘，陶文銓，傳熱學，第三版，高等教育出版社，學，人民教育出版社，1980CollegeofEnergyandPowerEngineering CollegeCollegeofEnergyandPowerEngineering BilingualEnglishtextbook,EnglishpowerpointlectureToexplainmainlyinYouBuildupyourReadthroughtheToorganizeaninterestingWehaveawebsiteaboutthecourse,andonitthereisawindowforteachingandstudy.CollegeofEnergyandPowerEngineering Finalexaminationpaper:Homework:HomeworkshouldbehandedinatthedueToencourageIfonecopiesothers’homework,bothwillgetzeroExperiments:Twoexperiments,eachgetsmaximum5Computationalheatconduction:Twocomputerexercises,eachgetsmaximum5Ifoneabsentsfromtheclassforthreetimes,hewouldlostthequalificationtotakethefinalexamination.Topreparetwoexaminationpapers,AandB,atthesametime,oneisforthenormalexamination,anotherisforthemakeup.Onemustgetascoregreaterthan60topasshisCollegeofEnergyandPowerEngineering HeatCollegeofEnergyandPowerEngineering HeatThiscoursewilldealwiththetopicsofheatFundamentalBasicBasicBasicTogaintheabilitytousetheknowledgeinCollegeofEnergyandPowerEngineering 1.1.1HeatAeronauticsandAstronautics(Aero-engine,Rocketengine,re-entry,etal)Madeof24,300silicafibertilesthatcovertheoutsideoftheorbiter.Thesetilesdissipateheatsoquicklythatyoucantouchthemevenwhenthecenterofthetileisstillglowingredwithheat.ThesetilesarereusableunlesstheyaredamagedinCollegeofEnergyandPowerEngineering HeatSpaceShuttleColumbiaSevencrewColumbialiftingoffonitsfinalmissioninJanuary16,2003.CollegeofEnergyandPowerEngineering 1.1.1HeatSpaceShuttleColumbiaOnFebruary1,2003,theSpaceShuttledisintegratedduringre-entryintotheEarth'satmosphereThedisasterwasaresultofdamagesustainedduringwhenapieceoffoaminsulationthesizeofasmallbriefcasebrokeofffromtheSpaceShuttleexternaltankundertheaerodynamicforcesoflaunch.Thedebrisstrucktheleadingedgeoftheleftwing,damagingtheShuttle'sthermalprotectionsystem(TPS),whichshieldsitfromheatgeneratedwiththeatmosphereduringre-entry.CollegeofEnergyandPowerEngineering HeatAeroCollegeofEnergyandPowerEngineering 1.1.1HeatIndustry(Steel,Electricitygeneration,Transport,Electronicdevice,etal)HeatCollegeofEnergyandPowerEngineering HeatMicro-Electro-MechanicalSystemMicroturbineengine,size:12mmOD,3mmCollegeofEnergyandPowerEngineering 1.1.1HeatEnvironmentandAgriculture(Plant,Greenhouse,etCollegeofEnergyandPowerEngineering HeatGreenCollegeofEnergyandPowerEngineering 1.1.1HeatDailylife(Heating,Air-condition,Cooking,Clothes,etal) CollegeofEnergyandPowerEngineering RelationofheattransfertoCollegeofEnergyandPowerEngineering 1.1RelationofTheFirstLawof (J/sorW positivetowardpositivethe fromthesystempositivethesystem'sIfpdVworkistheonlywork,QpdV Constantvolume QdtmcConstantpressure QdHmcdt WhereH=U+RelationofheattoTheFirstLawofIncompressibleprocess(suchasinsolid,ccworkequaltoQdUmc ForsteadydT QCollegeofEnergyandPowerEngineering 1.1RelationofAslongasT>T,heatwillflowspontaneouslyfromreservoir#1toTheentropyofthesystemwillincreaseAllheattransferprocessesgenerateentropy,i.eirreversibleForsteadyheattransferprocess,thepropertiesofthewalldonotchange,sotheentropyofthewallisAwallconnectingtwothermalRelationofheattoTherateofentropyproductionoftheSSSwhereSQ,Q SQ(11 Heattransferproce