Title of article
Simulatinglarge-scalebubbleplumesusingvariousclosureandtwo-phaseturbulencemodelsOriginalResearchArticle
Author/Authors
R.Zboray، نويسنده , , F.DeCachard، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2005
Pages
18
From page
867
To page
884
Abstract
Large-scale,bubblyplumeshavebeensimulatedbyacommercialCFDcodeusingvariousmodelsandcorrelationsfortheinterfacialforcesbetweenthephasesandforbubble-inducedturbulence.Steady-statesimulationresultsarecomparedwithtime-averageplumebehaviourobtainedfromanovelexperimentalseriesonlarge-scalebubbleplumes.Numericaleffectslikee.g.numericalschemeandgriddependenceareexaminedandtheimportantissueofplumefluctuationsisaddressed.Itisshownthatitisnecessarytoincludeanappropriatemodelforthelateralinterfacialforceslikeliftandturbulentdispersiontoobtainthecorrectspreadingoftheplumeobservedexperimentally.Includingthoseandusingstandarddragcoefficient,theagreementwiththeexperimentsisreasonable.Thedifferenttwo-phaseturbulencemodelsareeitherinappropriateorhaveverylittleinfluenceonthesimulationresults,whichdonotpredictthegasvelocityeverywhereintheplumecorrectly.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2005
Journal title
Nuclear Engineering and Design Eslah
Record number
894894
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