Title of article :
ComparativeeffectsofstructuralandmaterialparametersvariabilityonPellet–CladdingInteractioninaPWRfuelrodOriginalResearchArticle
Author/Authors :
ViolaineRetel، نويسنده , , FrédériqueTrivaudey، نويسنده , , M.LamineBoubakar، نويسنده , , DominiquePerreux، نويسنده , , PhilippeThevenin، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2004
Abstract :
Inthewaterpressurisednuclearreactors,thefuelrodcladdingisthefirstbarrieragainstradioactiveisotopesrelease.Itsintegritymustbedemonstratedallalongthefuelrodirradiationwithincreasingstrenuousoperatingconditions.ThispaperdealswithastudymadewithElectricitédeFrance(EDF)inordertoimprovetheunderstandingandmodellingofthethermomechanicalbehaviouroffuelrodsunderthesemorearduousconditions.TheaimofthisstudyistoevaluatetheseparateinfluencesofstructuralandmaterialparametersvariabilityonPellet–CladdingInteraction(PCI).Thefollowingparametershavebeentestedby3Dsimulationsforacommonrampingcondition:axialandradialpelletcracksnumbers,pelletfragmentsize,relativefragmentsdisplacement,non-symmetricalconfiguration,pellet–pelletfrictionandpellet–claddingfriction.Thesecondpartofthearticledealswiththedevelopmentofamodel,whichgivesabetterassessmentofcladdingstressconcentrationnearradialfuelcracks.Theimplementationinthe1DfuelrodEDFcodeCYRANO3andthevalidationofthemodelarepresented.
Journal title :
Nuclear Engineering and Design Eslah
Journal title :
Nuclear Engineering and Design Eslah
