Title of article :
SensitivityanalysisofinputparametersforpressuretubeintegrityevaluationOriginalResearchArticle
Author/Authors :
Sang-LogKwak، نويسنده , , Joon-SeongLee، نويسنده , , Young-JinKim، نويسنده , , Youn-WonPark، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2005
Abstract :
PressuretubesinCANDUreactorarethemostimportantcomponentsthatcontainfuel.Theoperatingexperiencesshowleaksandburstinpressuretubesoverthepasttwodecades.Theintegrityofpressuretubesis,therefore,keyconcerninCANDUreactor.OnceaCANDUreactorputintooperation,theirintegritycouldbecheckedbyin-service-inspection.However,comparingtothetotalnumberofpressuretubesinaCANDUreactor,onlyasmallnumberofpressuretubesareselectedforinspection,sincethereisnoweld.Theinspectionscopeandresultshavebeentreatedsofarusingadeterministicapproach.Takingintoaccountthedifficultyininspectionsamplingandinextrapolatingtheresultstotheentirecore,aprobabilisticapproachisnecessary.Inthisstudy,probabilisticintegrityassessmentsarecarriedoutconsideringkeyfactors,suchasinitialhydrogenconcentration,defectshape,delayedhydridecracking(DHC)velocityandfracturetoughness.TheleakandfailureprobabilitiesarecalculatedasafunctionoftimebyapplyingMonteCarlosimulation.
Journal title :
Nuclear Engineering and Design Eslah
Journal title :
Nuclear Engineering and Design Eslah
