换热器设计外文翻译原稿AppliedThermalEngineering36(2021)227e235ContentslistsavailableatSciVerseScienceDirectAppliedThermalEngineeringjournalhomepage:/locate/apthermengTheapplicationofentransydissipationtheoryinoptimizationdesignofheatexchangerqJiangfengGuoa,MingtianXub,*abInstituteofEngineeringThermophysics,ChineseAcademyofSciences,Beijing100190,PRChinaInstituteofThermalScienceandTechnology,ShandongUniversity,Jinan250061,PRChinaarticleinfoArticlehistory:Received25January2021Accepted21December2021Availableonline29December2021Keywords:EntransydissipationEntransydissipationnumberGeneticalgorithm(GA)OptimizationdesignHeatexchangerabstractTheoptimizationofheatexchangerdesignisinvestigatedbyapplyingtheentransydissipationtheoryandgeneticalgorithm.Itisfoundthattheroleplayedbytheuidfrictionisnotfullytakenintoaccountwhentheworkinguidofheatexchangerisliquidinsingle-objectiveoptimizationapproach.Inordertocircumventthisproblem,amulti-objectiveoptimizationapproachtoheatexchangerdesignisestablished.2021ElsevierLtd.Allrightsreserved.1.IntroductionWiththesharpdeclineoffossilfuelssuchaspetroleumandcoal,touseenergyefcientlyisoneofeffectivewaystofacetheincreasingenergydemand.Heatexchangerasanimportantdeviceinthermalsystemiswidelyappliedinpowerengineering,petro-leumreneries,chemicalindustries,andsoon.Hence,itisofgreatimportancetodeveloptechnologieswhichenableustoreducetheunnecessaryenergydissipationandimprovetheperformanceofheatexchanger.Theevaluationcriteriaforheatexchangerperformancearegenerallyclassiedintotwogroups:therstisbasedontherstlawofthermodynamics;thesecondisbasedonthecombinationoftherstandsecondlawofthermodynamics.Theheattransferinheatexchangersusuallyinvolvestheheatconductionundernitetemperaturedifference,theuidfrictionundernitepressuredropanduidmixing.Theseprocessesarecharacterizedasirreversiblenon-equilibriumthermodynamicprocesses.Hence,inrecentdecadesthestudyofthesecondgrouphasattractedalotofattention[1].Inspiredbytheminimumentropyproductionprin-cipleadvancedbyPrigogine[2],Bejan[3,4]developedtheentropy*Presentedatthe14thInternationalHeatTransferConference,Washington,DC,August8-13,2021.RepublishedwithpermissionfromAmericanSocietyofMechanicalEngineers(ASME).*Correspondingauthor.Tel.:865319930006503;fax:8653188399598.E-mailaddress:mingtian@(M.Xu).generationminimization(EGM)approachtoheatexchangeropti-mizationdesign.Inthisapproach,Bejan[3]tookintoaccounttwotypesoftheirreversibilitiesinheatexchanger,namely,theheatconductionunderthestream-to-streamtemperaturedifferenceandthefrictionalpressuredropthataccompaniesthecirculationofuidthroughtheapparatus.Therefore,thetotalentropyproduc-_genisthesumofentropyproductionsasso-tionratedenotedbySciatedwithheatconductionanduidfriction.However,amongallthevariationalprinciplesinthermodynamics,Prigogine’sminimumentropygenerationprincipleisstillthemostdebatedone[5].Accordingly,theentropygenerationminimizationapproach,widelyappliedtomodelingandoptimizationofthermalsystemsthatowetheirthermodynamicimperfectiontoheattransfer,masstransfer,anduidowirreversibilities,demonstratessomeinconsistenciesandparadoxesinapplicationsofheatexchangerdesigns[6].Thisisbecausethefocusoftheentropygenerationminimizationapproachisontheheat-workconversionprocesses,whileinheatexchangerdesignstherateandefciencyofheattransferaremoreconcerned.Byanalogywiththeelectricalconductio...