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TheoreticalResearchonPerformanceofVaporliquidTwophase#br# HeatingDeviceinAluminaProduction

GUI Xuebin,QIU Binbin,YAN Junjie,LIU Jiping,LIN Wanchao   

  1. HenanBranch,AluminumCorporationofChina,Zhengzhou 450041,China
  • Online:2011-09-30 Published:2011-09-30

Abstract: Improvementsontheexistingvaporliquidtwophasesupersonicdevicetoincreasetheoutlet
waterflowweremade.Withdoubleinfallmethod,astepupmathematicalmodelwassetupaccordingto
mass,momentumandenergyconservationequations.Influenceofparametersofsteam,waterandstruc
tureonstepupfactorandejectioncoefficientwasstudied.Theresultshowedthatdoubleinfallvaporliq
uidtwophasesupersonicdevice,whosestepupcoefficientandejectioncoefficientreached14~27
and30~60separately(theejectingcapabilitywas100% strongerthansingleinfalldevice),wasofbet
terperformance.Itcansatisfytherequirementsofindustrialapplicationofpressureandwaterflow.

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