• 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