Title of article
ExperimentalmeasurementoffrictionallawunderCCFLinporousdebrisOriginalResearchArticle
Author/Authors
YutakaAbe، نويسنده , , YukioSudo، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2006
Pages
9
From page
2075
To page
2083
Abstract
Counter-currentflowlimitation(CCFL)isthedominantphenomenafordryoutinporousdebris,whichwouldbeformedduringasevereaccidentofanuclearpowerplant.SinceflowatCCFLinporousdebrisisfarawayfromnormaltwo-phaseflowinapipe,itisnotclearwhethertheinterfacialfrictionlawsinapipecanbeappliedtotheCCFLinporousdebris.Inthepresentexperimentalresearch,thevoidfractioninporousdebrisismeasuredsimultaneouslywiththedifferentialpressureandflowratesforgasandliquid.ThecombinationofthesesimultaneouslymeasureddatamakesitpossibletoestimatetheshearstressesandfrictionfactorsinaporousdebrisatCCFL.ItresultsthatthewallfrictionfactorestimatedislargerthantheErgunequationproposedforsingle-phaseflowinaporousbed.Furthermore,theinterfacialfrictionfactorestimatediswellcorrelatedbythetheoreticalcorrelationderivedherefromaforcebalanceforahypotheticalflowchannelinporousdebrisatCCFL.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2006
Journal title
Nuclear Engineering and Design Eslah
Record number
941323
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