Title of article
AnassessmentofeffectivenessofcoreexittemperatureswithrespecttoPWRcoredamagestateusingRELAP/SCDAPSIM/MOD3.4OriginalResearchArticle
Author/Authors
ChrisM.Allison، نويسنده , , JudithK.Hohorst، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2008
Pages
14
From page
1547
To page
1560
Abstract
CoreexittemperaturemeasurementsplayaveryimportantroleinthedevelopmentandimplementationofSevereAccidentManagementGuidelines.Forexample,thetransitionfromEmergencyOperatingProcedurestotheSevereAccidentManagementGuidelinesmaybetriggeredbycoreexittemperaturesexceedingsetlimits.Coreexittemperaturesmayalsobeusedtodetermineifcorecoolinghasbeenre-establishedwhendifferentmanagementtechniqueshavebeenapplied.However,coreexittemperaturesmaynotalwaysbereliableindicatorsofthestateofthecore.Forthatreason,asystematicstudyoftherelationshipbetweencoreexittemperaturesandthestateofthecorefordifferentaccidentconditionsanddifferentreactordesignshasbeenstartedusingthedetailedsystemthermalhydraulicandsevereaccidentanalysiscodepackage,RELAP/SCDAPSIM.Inthispaper,theresultsofthefirstpartofthestudyispresentedanddiscussed.Thepaperincludes(a)abriefdescriptionoftheRELAP/SCDAPSIMpackage,(b)insightsfromtwofullplantcalculations,aStationBlackouttransientfortheSurryPWRandtheTMI-2accidentanalysis,and(c)theresultsfromaseriesofsensitivitystudiestorelatecoreexittemperaturestocoredamagestatesforidealizedcoreuncovery,heating,andrefloodingscenariosforatypicalPWRfuelassembly.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2008
Journal title
Nuclear Engineering and Design Eslah
Record number
895112
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