Title of article :
DevelopmentofthecriticalfilmthicknesscorrelationforanadvancedannularfilmmechanisticdryoutmodelapplicabletoMARScodeOriginalResearchArticle
Author/Authors :
Ji-HanChun، نويسنده , , Won-JaeLee، نويسنده , , CheolPark، نويسنده , , Un-ChulLee، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2003
Pages :
14
From page :
315
To page :
328
Abstract :
Itisgenerallyassumedinthemechanisticfilmdryoutmodelthatthecriticalheatflux(CHF)ariseswhenliquidfilmcalculatedfromevaporation,dropletentrainmentanddepositiongetsdryout.Thedryoutoffilmisusuallyassumedwhenfilmthicknessbecomeszero.However,itwasindicatedthatthecompletedryoutassumptioncanestimateCHFwellforuniformheatingcasebutcannotsimulateaccuratelyfornon-uniformheatingcase.Thecriticalfilmthicknessconceptmaybeanappropriateapproachphysicallybecausethereisapossibilityofinstantaneousdisappearanceofliquidfilmwhenitgetsverythin.Therefore,acriticaldryoutfilmthicknesscorrelationwasdevelopedtoproperlymodeldryoutphenomenontogetherwithMARScodebasedonexperimentaldata.ThemodifiedversionofMARSimplementinganewlydevelopedcriticaldryoutfilmthicknesscorrelationwasassessedusingvariousdryoutdataincludingthoseofnon-uniformheatingcaseandflowreductiontransienttest.Thepredictionresultsshowedimprovedagreementwiththeexperimentaldata.
Journal title :
Nuclear Engineering and Design Eslah
Serial Year :
2003
Journal title :
Nuclear Engineering and Design Eslah
Record number :
894567
Link To Document :
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