Numerical Study of an Annular Gas Turbine Combustor with Dump Diffuser

(整期优先)网络出版时间:1999-01-11
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Ageneralnumericalmethodispresentedforcalculatingsteadythree-dimensionalandtwo-phaseturbulentreactiveflowswithanonstaggeredbody-fittedcoordinatesysteminanannulargasturbinecombustorwiththedumpdiffuser.Themodifiedtwo-equationmodelandtheEDCturbulentcombustionmodelareusedforthegasphase.TheliquidphaseequationsaresolvedinaLagrangianframeofreferencebyPSICalgorithm.Theeffectofdifferentvelocityprofilesattheentryoftheprediffuseroncombustorflowcharacteristicsiscalculated.