Title of article
Aremedyfortheill-posednessoftheone-dimensionaltwo-fluidmodelOriginalResearchArticle
Author/Authors
JinHoSong، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2003
Pages
14
From page
40
To page
53
Abstract
Aone-dimensionaltwo-fluidmodelwithexplicitmomentumfluxparametersisproposedasaremedyforthemathematicalill-posednessofthestandardone-dimensionaltwo-fluidmodel.Byconstructingasimplifiedtwo-phaseflowusingexistingcorrelationsforthedistributionparameterCoandvelocityprofile,themomentumfluxparameterisdeterminedasafunctionofvoidfractionanddensityratioforthewholerangeofflowregime.Byperformingalinearstabilityanalysisforatwo-phaseflowinachanneldescribedbytheproposedmodel,ananalyticalexpressionforthegrowthfactorisderivedasafunctionofwavenumber,voidfraction,dragcoefficient,andrelativevelocity.Fromtheanalyticalexpressionforthegrowthfactor,thestabilitycriteriaarederivedasafunctionofvoidfaction,densityratio,andmomentumfluxparameters.Itisshownthatthetwo-phaseflowinachanneldescribedbytheproposedmodelisstableinthewholerangeofflowregime.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2003
Journal title
Nuclear Engineering and Design Eslah
Record number
894526
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