Title of article :
NewcapabilitiesofsimulatingfissionproducttransportincircuitswithASTEC/SOPHAEROSv.1.3OriginalResearchArticle
Author/Authors :
F.Cousin، نويسنده , , K.Dieschbourg، نويسنده , , F.Jacq، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2008
Abstract :
Modellingthebehaviouroffissionproduct(FP)inanuclearreactorcoolantsystem(RCS)undergoingahypotheticalsevereaccidentisanimportantstepintheevaluationofradioactivereleaseoutsideanuclearpowerplant.TheSOPHAEROSmodule,partoftheASTECsystem,aimsatsimulatingmainFPvapourandaerosolphenomenaintheRCS.Newcapabilitiesofthemoduleareherepresented,suchaschemistrycomputationandextendedcircuitconfiguration.Afteradescriptionofthemodels,twoapplicationsarepresented.ThefirstoneisacompletesevereaccidentsequenceconsideringalltheRCSloops.Itshowsanon-negligibleFPretentioninalltheloopsandoutlinestheneedforadeterministicapproachtobetteraccountofalltheRCSandnotonlythemainestimatedpathforFPrelease.ThesecondapplicationisfocusedonacomplexpartoftheRCSgenerallysimplifiedinalltheFPtransportmodel:thereactorvesselupperplenum.FPretentioninthisvolumeisnotwellestimated.TheSOPHAEROScodeappliedtothisvolumeshowsthatFPretentionisunder-estimated,possiblyleadingtooverconservativeresults.
Journal title :
Nuclear Engineering and Design Eslah
Journal title :
Nuclear Engineering and Design Eslah