Title of article
AdvancedneutronicstoolsforBWRdesigncalculationsOriginalResearchArticle
Author/Authors
A.Santamarina، نويسنده , , N.Hfaiedh، نويسنده , , R.Letellier، نويسنده , , V.Marotte، نويسنده , , S.Misu، نويسنده , , A.Sargeni، نويسنده , , C.Vaglio، نويسنده , , Zmijarevic، I. نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2008
Pages
10
From page
1965
To page
1974
Abstract
ThispapersummarizesthedevelopmentsimplementedinthenewAPOLLO2.8neutronicstooltomeettherequiredtargetaccuracyinLWRapplications,particularlyvoideffectsandpin-by-pinpowermapinBWRs.TheMethodofCharacteristicswasdevelopedtoallowefficientLWRassemblycalculationsin2D-exactheterogeneousgeometry;resonantreactioncalculationwasimprovedbytheoptimizedSHEM-281groupmesh,whichavoidsresonanceself-shieldingapproximationbelow23eV,andthenewspace-dependentmethodforresonantmixturethataccountsforresonanceoverlapping.Furthermore,anewlibraryCEA2005,processedfromJEFF3.1evaluationsinvolvingfeedbackfromCriticalExperimentsandLWRP.I.E,isused.Thespecific“2005–2007BWRPlan”settledtodemonstratethevalidation/qualificationofthisneutronicstoolisdescribed.Someresultsfromthevalidationprocessarepresented:thecomparisonofAPOLLO2.8resultstoreferenceMonteCarloTRIPOLI4resultsonspecificBWRbenchmarksemphasizestheabilityofthedeterministictooltocalculateBWRassemblymultiplicationfactorwithin200pcmaccuracyforvoidfractionvaryingfrom0to100%.ThequalificationprocessagainsttheBASALAmock-upexperimentstressesAPOLLO2.8/CEA2005performances:pin-by-pinpowerisalwayspredictedwithin2%accuracy,reactivityworthofB4CorHfcruciformcontrolblade,aswellasGdpins,ispredictedwithin1.2%accuracy.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2008
Journal title
Nuclear Engineering and Design Eslah
Record number
895151
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