资源描述：
《2002 dynamic simulation of full startup procedure of heavy-duty gas turbines》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、J.H.KimSeniorResearcher,TurbomachineryDepartment,DynamicSimulationofFullKoreaAerospaceResearchInstitute,Daejeon305-600,KoreaStartupProcedureofHeavy-DutyT.W.SongGraduateStudent,GasTurbinesSchoolofMechanicalandAerospaceEngineering,SeoulNationalUniversity,Asimulationprogramfortransient
2、analysisofthestartupprocedureofheavydutygasSeoul151-742,Koreaturbinesforpowergenerationhasbeenconstructed.Unsteadyone-dimensionalconser-vationequationsareemployedandequationsetsaresolvednumericallyusingafullyT.S.Kimimplicitmethod.Amodi®edstage-stackingmethodhasbeenadoptedtoestimatet
3、heAssistantProfessor,operationofthecompressor.Compressorstagesaregroupedintothreecategories(front,DepartmentofMechanicalEngineering,middle,rear),towhichthreedifferentstagecharacteristiccurvesareappliedinordertoInhaUniversity,considerthedifferentlow-speedoperatingcharacteristics.Repr
4、esentativestartupse-Inchon402-751,Koreaquenceswereadopted.Thedynamicbehaviorofarepresentativeheavydutygasturbinewassimulatedforafullstartupprocedurefromzerotofullspeed.SimulatedresultsS.T.Romatchedthe®elddataandcon®rmeduniquecharacteristicssuchastheself-sustainingProfessor,andthepos
5、sibilityofrear-stagechokingatlowspeeds.EffectsoftheestimatedschedulesSchoolofMechanicalandAerospaceonthestartupcharacteristicswerealsoinvestigated.SpecialattentionwaspaidtotheEngineering,effectsofmodulatingthevariableinletguidevaneonstartupcharacteristics,whichplaySeoulNationalUnive
6、rsity,akeyroleinthestableoperationofgasturbines.@DOI:10.1115/1.1473150#Seoul151-742,KoreaFellowASMEIntroductionindicatezerospeedbutactuallyinvolvesarbitrarymidrangespeeds.Thisappearstoresultfromdif®cultiesinobtainingGasturbinessuffertransientoperationduetostartup,loadlowrpmcomponent
7、characteristics,especiallythoseofthechange,shutdown,andotherenvironmentaldisturbances.Duringcompressor.mostofthestartupprocedure,theperformanceofmostcompo-Inthisstudy,amethodologyforthesimulationoffullstartupnentsinparticularisfarlowerthanduringoperationsaroundtheprocedureofheavydut
8、ygasturbinesforpowe
