燃气轮机的振动故障分析

X1,2(11,518054;21,518040)::;:TK477;TH11311:B:1009-2889(2004)02-0062-040,,,,,,,,,1,1:;:;:,,,12,,,,m,,,,,,,mm/s,,X:200420220917220046GASTURBINETECHNOLOGYVol117No.2June.,2004©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:,,,,,311PG6541B,1#,,,,300m,,,,312,,,,PG9171,,,,,,,,Z,,,,313,,,,,,,,,,,,,GE56,ABB45ABBGT13E2,(,),45,,,,,,,,,,314,,2GT13E21#,32#85MW120MW1#2#,85MW1#,2#1#,2#,362©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(),,,,,IGV,IGV,:,,4617©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(40)()[M].:,19851[4]E.H.,W.R.1[J]1Trans.ASME(A),1977,99(4)1[5]G.J.1[Z].SAE,690031,1969.AnalysisonTheLossModelofVariableGeometryTurbinesSONGLi2qiang,WANGYong2hong(ShanghaiJiaotongUniversityMachineandPowerCollege,Shanghai,200030,China)Abstract:Basedonthetraditionallossmodelsofturbines,anewideaofhowtocalculatethelossoftheVGT(VariableGeometryTurbine)hasbeenmentioned.Bycomparingthedifferentresultsofarealturbineasexampleusingseveralcommonmodels,anewcalculationmethodofhowtogetthelossofVGTwasgivenindetail.Keywords:Turbine,VariableGeometryTurbine,lossmodel,turbineefficiency562©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.