非对称管壳式换热器的三维有限元结构分析

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©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1.,214122;2.,310027):,,,;,,,,:;;;;:TK172:A:1001-4837(2009)08-0027-05doi:10.3969/j.issn.1001-4837.2009.08.006Non-axisymmetricTubeandShellHeatETPhanger3DFEALIUTian-feng1,CHENJian-liang2,LINXing-hua2(1.SchoolofMechanicalEngineering,JiangnanUniversity,Wuxi214122,China;2.ResearchInstituteofChemicalMachinery,ZhejiangUniversity,Hangzhou310027,China)Abstract:Inordertolearnstructuresstress,3Dnon-axisymmetricalheateTPhangerFEAmodelwassetup.Firstly,structuretemperaturefieldwascalculated,andtherewereabiggishtemperaturedifference,whichmaybringahigherstress.Whereafter,otherloadsandboundconditions,withtemperaturefieldproducedanterior,weresuppliedtocalculatestructuredisplacementandstress.Thestructuresmainportionsstressanditsdistributionfeatureweresummarized,thestrengthwaschecked,andstressdistri2butionssimilaritybetweenaxisymmetricalandnon-axisymmetricalstructureisfound.Meanwhile,thedirectionideawasputforwardforthestructuredesignimprovement.Keywords:heateTPhanger;FEA;tubesheet;strength;pullingawayforce1GB151[1],GB150JB4732[2,3]GB151,,,,,:,,,,,,,,,72©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[46],,,,,,,,,,2,112,500,,21.;2.;3.;4.;5.;6.;7.1,21(MPa)0.350.72(MPa)-0.10.2()300300()230/5035/362(mm)1300(mm)80(mm)1460(mm)141552(mm)1315/1355(mm)20(mm)D=19.05,d=13.51,L=210000Cr19Ni103,,,,:,,,,,,[79],,:,,,,1,2,,,1/4ANSYS9.03.13.1.1,,282CPVTVol261No82009©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1):,;(2):230;(3):150;(4):,;[10,11],11398;(5)():,:,23,,;,2=156W/(m2K),35;(6):;(7):,;,1/4,3.1.2,,,,3488187472,,,3.2,3.2.1,,,,,,,,,,,,,,,53344,250,250632333.2.23,PsPtFPc,,Pc=69MPa,-[12],,F=115kN,Pc=68.4MPa,50,,,,1,,,,,44.1,,44,,;,,,,;,,,92268201©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:,,,,,,,(),,,,4.2,,,33(N)XY113117618.553.64212879598.519.0310428598.588.283,25,,5,:,;,,,4.3,3,AA,5AA,5TOTAL,6,int=397.7MPa3[]t=294MPa,[13]:,,,,,,,6,,[14],,2,,,,,66,,,,,,,,,,6,03CPVTVol261No82009©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=14.68MPa[]t=98MPa;:int=201.1MPa3[]t=294MPa5(1),,,,;(2),,,;,,;(3),,:[1]GB1511999,[S].[2]GB473295,[S].1995.[3]GB1501998,[S].[4],.[J].,1997,14(2):25-29.[5],.[J].,1998,19(6):519-525.[6],.[J].,2002,31(6):49-51.[7]PatankarSV,SpaldingDB.ACalculationProcedurefortheTransientandSteady-stateBehaviorofShellandTubeHeatETPhangers,HeatETPhanger:DesignTheorySourcebook[C].McGrawHill,1974.155-176.[8]ShaWT,YangCI,KaoTT.MultidimensionalNumeri2calModelingofHeatETPhangers[J].JournalofHeatTransfer,1982,104:417-424.[9]PrithivirajM,AndrewsMJ.ThreeDimensionalNumeri2calSimulationofShellandTubeHeatETPhangers[J].NumericalHeatTransfer,PartA,1998,33:799-828.[10].[M].:,1990.[11],,.[M].:,1995.1-38.[12],.[M].:,1998.141-145.[13],.[J].,2004,21(1):11-13.[14],,.[J].,2004,26(6):706-709.:2008-05-13:2009-08-04:(1971-),,,,:214122(10)[3]RavichandranKS,DwarakadasaES.SomeConsidera2tionsontheOccurrenceofIntergranularFractureduringFatigueCrackGrowthinSteels[J].MaterialsScienceandEngineering,1986,83(1):11-16.[4]RavichandranKS,DwarakadasaES.EffectsofTem2peredStructureontheNearThresholdFatigueCrackGrowthBehaviorofaCoarseGrainedHighStrengthSteel[J].EngineeringFractureMechanics,1987,28(4):435-444.[5]RavichandranKS,VenkataraoHC,DwarakadasaES,etal.MicrostructuralEffectsandCrackClosureduringNearThresholdFatigueCrackPropagationinaHighStrengthSteel[J].MetallurgicalTransactionA,1987,18(6):865-876.[6]ClarkG.FatigueatLowGrowthRatesinaMaragingSteel[J].FatigueandFractureofEngieeringMaterialsandStructures,1986,9(2):131-142.[7]BullochJH.FatigueThresholdinSteels-MeanStressandMicrostructureInfluences[J].InternationalJournalofPressureVesselsandPiping,1994,58(1):103-127.[8]IrvingPE,KurzfeldA.MeasurementsofIntergranularFailureProducedduringFatigueCrackGrowthinQuenchedandTemperedSteels[J].MetalScience,1978,12(11):495-502.[9],,,.25Cr2NiMo1V[J].,2009,45(3):320-325.:2009-08-01:(1984-),,,,:20023713013268201

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