Title of article
Modelevaluationoftwo-groupinterfacialareatransportequationforconfinedupwardflowOriginalResearchArticle
Author/Authors
XiaodongSun، نويسنده , , SeungjinKim، نويسنده , , MamoruIshii، نويسنده , , StephenG.Beus، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2004
Pages
21
From page
27
To page
47
Abstract
Thebubbleinteractionmechanismshavebeenanalyticallymodeledinthefirstpaperofthisseriestoprovidemechanisticconstitutiverelationsforthetwo-groupinterfacialareatransportequation(IATE),whichwasproposedtodynamicallysolvetheinterfacialareaconcentrationinthetwo-fluidmodel.Thispaperpresentstheevaluationapproachandresultsofthetwo-groupIATEbasedonavailableexperimentaldataobtainedinconfinedupwardflow,namely,11datasetsinornearbubblyflowand13setsincap-turbulentandchurn-turbulentflows.Thetwo-groupIATEisevaluatedinsteady-state,one-dimensional(1D)form.Toaccountfortheinter-groupbubbletransport,thevoidfractiontransportequationforGroup-2bubblesisalsousedtopredictthevoidfractionforGroup-2bubbles.Agreementbetweenthedataandthemodelpredictionsisreasonablygoodandtheaveragerelativedifferenceforthetotalinterfacialareaconcentrationbetweenthe24datasetsandpredictionsiswithin7%.Themodelevaluationdemonstratesthecapabilityofthetwo-groupIATEfocusedonthecurrentconfinedflowtopredicttheinterfacialareaconcentrationoverawiderangeofflowregimes.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2004
Journal title
Nuclear Engineering and Design Eslah
Record number
894722
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