扭曲椭圆管换热器技术进展及其应用_谭祥辉

4010201210CHEMICALENGINEERINGCHINAVol．40No．10Oct．20122012-06-251987—[e-mail][e-mail]。111121．2002372．226500、、。TK124A1005-9954201210-0029-06DOI10．3969/j．issn．1005-9954．2012．10．008ResearchprogressoftwistedovaltubeheatexchangeranditsapplicationTANXiang-hui1ZHUDong-sheng1ZHANGLi-zhen1ZENGLi-ding1CHENGQu-lin21．KeyLaboratoryofPressureSystemsandSafetyofMinistryofEducationSchoolofMechanicalandPowerEngineeringEastChinaUniversityofScienceandTechnologyShanghai200237China2．NantongSAFEMachineryEquipmentLtd．Nantong226500JiangsuProvinceChinaAbstractThecharacteristicsandheattransferenhancementmechanismoftwistedtubeheatexchangerwereintroduced．Theanalysisoftube-sideandshell-sideflowfieldoftheheatexchangerwassummarized．Themethodsandconclusionsofthesestudieswerediscussed．Andfromtheviewofdesigningandmanufacturingthecorrelationsforcalculatingtheheattransferandpressuredropperformancesoftheheatexchangerwerepresented．Accordingtothecurrentinvestigationprogressthecasesabouttheapplicationoftwistedovaltubecondenserinachemicalfactorywereintroducedinthework．Theresultshowsthatthetwistedovaltubecondenserperformsbetterthanthetraditionalbaffleheatexchangeranditcanbewidelyusedinthefieldofchemicalindustry．Keywordstwistedtubeheatexchangerheattransferenhancementmechanismcorrelationscondenser、、、、、。、、、12。AlardsBrownFintube。BrownFintubeBlazoLjubicic3、、25%4。。11。2。。、1。、。1。。2。。22．15、6、78。Bolinder9-1011Galerkin12。138。2．2Dzyubenko1415。1617。·03·2012401018、19-、-、。20。1。1Table1CorrelationsoftubesideheattransferandpressuredropperformancesDzyubenko2S/de=6．5Re=2×104—2×105Tw/Tf=1．0—1．6Nu=0．0182Re0．8TwT()f－0．55exp1．95TwTf()－1[]2f=0．4Re－0．25Re=1．5×104—9×104f=0．062Re－0．087Re=9×104—9×10515de=21mmS/de=6．86—11．9Re=1000—17000Nu=0．0396Re0．544()Sd－0．159Sd()e0．161Pr0．33lgf=A1+A2lgRe+A3lgRe2A1A2A3Sd()e16A/B=2．13—3．07Pr=6．0—7．5S/de=17．19—50．62Re=5000—20000f=4．572Re－0．521B()A0．334Sd()e－0．082Nu=0．034Re0．784B()A－0．590Sd()e－0．165Pr0．33320A/B=1．43—2．50S/de=15—27Re=200—1750Pr=4—200f=64Re+18．69Re－0．1691－B()A2．173Sd()e－1．255Nu=0．821Re0．37431－B()A0．909Sd()e－0．263Pr0．6605321Dzyubenko22Iev-lev23-、、24-26。Dzyubenko27-29FrM=S2/deAFrM＞232FrM=64Dzyubenko3031-32。Mushabbab33。15372。21。·13·2Table2Correlationsofshellsideheattransferandpressuredropperformances1570．08mS/de=6．86—11．9FrM=231—392Re=1000—9000Nu=0．02379Re0．7602Fr－0．4347M1+3．6Fr－0．357MPr0．33f=9．461Re0．4928Fr－0．078M1+3．6Fr－0．357MDzyubenko27-2837FrM=232—24408000＜Re＜4×104Nu=0．023Re0．81+3．6Fr－0．357MPr0．4TwT()f－0．55f=0．3164Re－0．251+3．6Fr－0．357MDzyubenko2937FrM=648000＜Re＜4×104Nu=0．0521Re0．8Pr0．4TwT()f－0．55f=1．095Re－0．25434。20%—50%20%—30%。35。1．763%。。Zhang36。。Gao17。、1．8t/3。75．6%22、、16．3%10．2%。。3Fig．3Assemblingoftwistedovaltubecondenser5、。·23·20124010。。demfFrMFroudeNuPrReSmTfTwK1．M．200833-42．2MENGJALIANGXGCHENZJetal．ExperimentalstudyonconvectiveheattransferinalternatingellipticalaxistubesJ．ExperimentalThermalandFluidScience2005294457-465．3LJUBICICB．Testingoftwistedtubeexchangersintransi-tionflowregimeJ/OL2012-08-20．http//．kht-group．biz/technicalarticles/TestingofTwisted-TubeEx-changersInTransitionFlowRegime．pdf．4．J．20003720-21．5TODDL．SomecommentsonsteadylaminarflowthroughtwistedpipesJ．JournalofEngineeringMathematics197711129-48．6KOTORYNSKIWP．Steadylaminarflowthroughatwis-tedpipeofellipticalcross-sectionJ．Computers＆Flu-ids1986144433-444．7TUTTLEER．LaminarflowintwistedpipesJ．JournalofFluidMechanics1990219545-570．8BISHARAFJOGMAMANGLIKRM．ComputationalsimulationofswirlenhancedflowandheattransferinatwistedovaltubeJ．JournalofHeatTransfer200913181．9BOLINDERCJ．CurvilinearcoordinatesandphysicalcomponentsanapplicationtotheproblemviscousflowandheattransferinsmoothlycurvedductsJ．JournalofAppliedMechanics．1996634985-989．10BOLINDERCJ．First-andhigher-ordereffectsofcurva-tureandtorsionontheflowinahelicalrectangularductJ．JournalofFluidMechanics1996314113-136．11．J．2000184448-455．12．GalerkinJ．2005158923-929．13ZHANGJinsuoZHANGBenzhao．LaminarfluidflowinhelicalellipticaltubeJ．JournalofHydrodynaimcsB2000262-71．14．M．1990139-150．15．J．1995465601-608．16．J．2008361117-21．17GAOXuenongYINHuibinHUANGYuyouetal．Nucle-atepool-boilingenhancementoutsideahorizontalbankoftwistedtubeswithmachinedporoussurfaceJ．AppliedThermalEngineering20092914/153212-3217．18．J．20033231-4．19．J．201139218-21．20．J．2002S1117-120．21．D．201045-54．22DZYUBENKOBVASHAMANTASLVSEGALMD．ModelinganddesignoftwistedtubeheatexchangerM．NewYorkBegellHouseInc200070-83．23IEVLEVVMDZYUBENKOBVDREITSERGAetal．In-lineandcross-flowhelicaltubeheatexchangersJ．InternationalJournalofHeatandMassTransfer1982253317-323．24DZYUBENKOBV．InvestigationofthetransferpropertiesofastreaminaheatexchangerwithspiraltubesJ．In-zhenerno-FizicheskiiZhurnal1979386965-971．25DZYUBENKOBVURBONASPAASHMANTASLA．Interchannelmixingofheatcarriersinabundleofspiral·33·tubesJ．Inzhenerno-FizicheskiiZhurnal198245126-32．26DZYUBENKOBVSTETSYUKVN．Effectofflow-twis-tingintensityonthemixingofaheat-transferagentinbundlesoftwistedtubesJ．Inzhenerno-FizicheskiiZhur-nal1987555709-715．27LEVLEVVMKALININEKDANILOVIIetal．Heattransferintheturbulentsw