高壓渦輪葉尖間隙數(shù)值計算與分析研究.pdf

1、南京航空航天大學(xué)碩士學(xué)位論文高壓渦輪葉尖間隙數(shù)值計算與分析研究姓名：王志豪申請學(xué)位級別：碩士專業(yè)：航空宇航推進理論與工程指導(dǎo)教師：陳偉20060301高壓渦輪葉尖間隙數(shù)值計算與分析研究iiAbstractTipclearancehasmucheffectonthepropertiesofaeroengine.Asthereferenceoftheprojectdesignthenumericalcomputationoftipclear

2、ancecanimprovetheaeroengineperfmancereliabilitytoreducethespecificfuelconsumption(SFC).Inthispaperthestatusquoofthetipclearanceofaeroengineissurveyedthetheythemethodofthenumericalcomputationoftipclearanceareintroducedthe

3、simpletipclearancecalculationprogramismodifiedrefinedthecomputationmethodoftheturbinetemperaturefieldisimproved.Atlastsoftwareisdeveloped.Thesoftwareiseasytooperatebytheinterfacedialogsofvariabledisplaymodificationprogra

4、mcontroltheoutcomedisplay.Theparametricmethodisusedintheprocessofturbinepartsmodelingtipclearanceanalysis.Duetothecomplexityoftheturbinepartssomeactersarepredigested.Asimplifyhighpressureturbine(HPT)tipclearancemodelisan

5、alyzedwiththecyclicsymmetrymethod.Researchontheflowheatstructureintegrationanalysesisachievedinthispaper.FlowheatanalysisisdonebyFLUENTsoftwareheatstructureanalysisisdonebyANSYSsoftware.Aninterpolationprogramisusedtoconv

6、erttheFLUENTresultdatatotheANSYSloaddata.Itisanewmethodtoanalyzeturbinetipclearance.Inthispapersomeresearchofthenumericalcomputationofthetipclearanceofaeroengineisdonetheparametricmethodisusedtheresearchontheflowheatstru

7、ctureintegrationanalysesisaccomplished.Researchfindingaboutthetipclearanceofengineinthepaperisbasaltheycanbeusedasreferenceofaeroenginedesignthetipclearancecontrol.KeyWds:aeroengineturbinetipclearanceparametricintegratio