Title of article
ExperimentalstudyandmodellingofliquidejectionthroughorificesbysparginggasOriginalResearchArticle
Author/Authors
B.Tourniaire، نويسنده , , J.M.Seiler، نويسنده , , J.M.Bonnet، نويسنده , , M.Amblard، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2006
Pages
15
From page
2281
To page
2295
Abstract
CoriumcoolabilityafteraseverePWRaccidentinvolvingcoremeltdownandRPVfailureisoneofthemainissuesinnuclearsafety.Thecaseconsideredhereisasituationinwhichthecoriumisassumedtospreadoveraconcretefloorandisfloodedbywater.Inthisframework,manyresearcheffortsareperformedtostudythephysicalphenomena,whichmayenhancetheheattransferbetweenthecoriumandthewaterpool.Amongthesephenomena,meltentrainmentabovethecoriumcrustbythesparginggas,releasedbytheconcreteablationappearstobeapotentiallyefficientcoolingmechanism.ThemaintargetofthePERCOLAexperimentalprogramistoprovidequalitativeandquantitativeinformationonthisentrainmentphenomenon.ItconsistsinanalyticaltestsperformedwithsimulantmaterialsofincreasingviscositytosimulatetheenrichmentofthecoriuminSiO2duringtheMCCI.Afterashortreminderabouttheassessmentoftheefficiencyoftheejectionmechanism,thesecondpartofthispaperisdevotedtoageneraldescriptionofthetestprogramandtothepresentationofthemainresults.Inthelastpart,attentionfocusesonmodellingtheliquidentrainmentphenomenonandoncomparisonbetweentheexperimentaldataandthecalculationresultsoftwodifferententrainmentmodels.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2006
Journal title
Nuclear Engineering and Design Eslah
Record number
941339
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