Title of article :
SimulationofscaledvesselfailureexperimentsandinvestigationofapossiblevesselsupportagainstfailureOriginalResearchArticle
Author/Authors :
H.-G.Willschütz، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2004
Abstract :
ScaledcoupledmeltpoolconvectionandvesselcreepfailureexperimentsarebeingperformedintheFOREVERprogramattheRoyalInstituteofTechnology,Stockholm.Theseexperimentsaresimulatingthelowerheadofapressurizedreactorvesselunderthethermalloadofameltpoolwithinternalheatsourcesandaspecifiedinternalpressure.Duetothemulti-axialcreepdeformationofthethree-dimensionalvesselwithaprototypicnon-uniformtemperaturefieldtheseexperimentsofferanexcellentopportunitytovalidatenumericalcreepmodels.AFiniteElementModelisdevelopedandusingtheComputationalFluidDynamicmodule,themeltpoolconvectionissimulatedandthetemperaturefieldwithinthevesselwallisevaluated.Thetransientstructuralmechanicalcalculationsarethenperformedapplyinganewcreepmodelingprocedure.Additionally,thematerialdamageisevaluatedconsideringthecreepdeformationaswellasthepromptplasticdeformation.
Journal title :
Nuclear Engineering and Design Eslah
Journal title :
Nuclear Engineering and Design Eslah
