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1、英文原文英文原文TheAchievementsontheTechnologyofthePressureVesselsAbstractRecentlyEuropeanU.Shaveissuedtheirpressureequipmentcodes.EspeciallyinthepressurevesselcodeTheEN13445fromEuropeantheASMEVIII22007fromU.Ssignificantlychange
2、dthetechnicalcontentshoutthenewdesignmodelthemethodsonthefoundationofagrscaleresearch.KeyWdsPressureVesselsTechnologyProgressA.IntroductionNowthewholewldhasenteredaperiodofeconomyglobalization.Stardinternationalizationis
3、aninexabletrendofeconomicglobalization.Theacteristicsofdevelopmenttrendofcurrentstardtechnologyareasfollows:1.Designmethodagainstfailuremode2.Widelyapplicationofcomputertechnology3.Meeconomicconstructionmethods4.Technica
4、lspecificationwhichreflectedcomprehensiveconstructiontechnology5.Mewideapplicationrangeofproductspecification.6.Toseeknationalcompetitivecapacityininternationaltrade.B.DevelopmentinPressureVesselDesignTechnology1.Technol
5、ogyDevelopmentinMaterialsUsedfPressureVesselsInrecentyearsItisobviousthatthepressurevesselproductsaregettinglargerlargerwithhightechnicalreferences.Nowadaysthemainresearchachievementtechnicalprogressinpressurevesselmater
6、ialsareasfollows:2.DevelopmentinDesignTechnologyModernstructuredesignfpressurevesselisgettingridofthetraditionalconceptstepbysteptoreflectthedesignconceptwithcansatisfytechnologyrequirement.Intheviewoffailuremodeunderthe
7、prerequisiteofsafetyactualresultsafetyeconomicbenefitarecombinedharmoniously.(1)DesignMethodinAccdanceWithFailureMode:SynthesizingthetechnicalstardofmainindustrialcountriesinthewldconsultingthecontentofEuropeanstardsthei
8、nternationalstardISO16528classifiesthecommonfailuremodesofboilerspressurevesselsinto3classes14kindsthatclearlydefinesthedesigntechnicalapplicationconceptagainstfailuremodes:Shttermfailuremodes:?Brittlefracture?Ductilerup
9、ture?Leakageatjointsduetoexcessivedefmations?Crackfmationductiletearingduetoexcessivelocalstrains?Instability–elasticplasticelasticplastic(4)AnalysisofMultiPhysicalFieldCouplingFmodernpressureequipmenttheinteractionbetwe
10、enfluidsolidmustbesolvedexactlyatthesametimethermalanalysisimpactanalysisareindispensabletechnicalmethods.Therefethefollowingproblemsmustbesolvedtoo:?Couplingoffluidsolid:largevesselstransptationtanksflowinginsidepiping?
11、Multiphaseflowing:boilercombustioncombustionreflectionoffluidizedbed?Heattransfermedium:plateheatexchangerefficiencyofcolumnplateefficiencyofdistribut.?Impactload:waterhammerphenomenonimpact(5)MethodtoChangeSafetyCoeffic
12、ientIndertoincreasethecompetitionofhomemadeproductsitisauniversaltrendfcountriesregionsalloverthewldtodecreasethesafetycoefficient.TheUSstard(ASME)Europeanunifiedstardfpressurevessels(undermaking)alsodecreasedrelativesaf
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