2003 a new scaling method for component maps of gas turbine using system identification

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1、ANewScalingMethodforComponentMapsofGasTurbineC.KongUsingSystemIdentificatione-mail:cdgong@mail.chosun.ac.krJ.KiAscalingmethodforcharacteristicsofgasturbinecomponentsusingexperimentaldatae-mail:kijayoung@hanmir.comorpartiallygivendatafromenginemanufactu

2、rerswasnewlyproposed.Incaseofcur-rentlyusedtraditionalscalingmethods,thepredictedperformancearoundtheon-designM.Kangpointmaybewellagreedwiththerealengineperformance,butthesimulatedperfor-e-mail:k0914@stmail.chosun.ac.krmanceatoff-designpointsfarawayfro

3、mtheon-designpointmaynotbewellagreedwiththerealengineperformancegenerally.Itwouldbecausedthatcomponentscalingfactors,DepartmentofAerospaceEngineering,whichwereobtainedaton-designpoint,isalsousedatallotheroperatingpointsandChosunUniversity,components'ma

4、psarederivedfromdifferentknownenginecomponents.Thereforeto#375Seosuk-dong,minimizetheanalyzedperformanceerrorinthethisstudy,®rstcomponents'mapsareDong-gu,constructedbyidentifyingperformancesgivenbyenginemanufacturersatsomeoperatingKwangju501-759,Koreac

5、onditions,thenthesimulatedperformanceusingtheidenti®edmapsiscomparedwithperformancesusingcurrentlyusedscalingmethods.Incomparison,theanalyzedperfor-mancebythecurrentlyusedtraditionalscalingmethodwaswellagreedwiththerealengineperformanceaton-designpoint

6、buthadmaximum22%erroratoffdesignpointswithinthe¯ightenvelopeofastudyturbopropengine.However,theperformanceresultbythenewlyproposedscalingmethodinthisstudyhadmaximum6%reasonableerrorevenatall¯ightenvelope.@DOI:10.1115/1.1610014#Introductionusingexperime

7、ntaldataorpartiallygivendatafromenginemanu-facturerswasproposed.ThismethodcanberealizedusingthePerformancesimulationisoneofthemostimportantactivitiesfollowingprocedure:itisthat®rstafterobtainingthescalingnotonlytominimizeriskandcostindevelopmentphasebu

8、talsomapswiththescalingfactorsofcomponentsfromtheknowntomonitorenginehealthinoperationphase.performancedataortheknownexperimentaldatabyengineInordertosimulategasturbineperformanceitisabsolutelymanufacturersatsomeoperationpoints,andthenc