Title of article :
DevelopmentofmonitoringtechniquefortheconfirmationofspentfuelintegrityduringstorageOriginalResearchArticle
Author/Authors :
TetsuoMatsumura، نويسنده , , AkihiroSasahara، نويسنده , , YasushiNauchi، نويسنده , , ToshiariSaegusa، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2008
Abstract :
Amethodisdevelopedtomonitorintegrityofspentfuelsstoredinacanisterthatissealedbyweld.Toachievethemonitoring,Kr-85gaswasnewlyadoptedasakindofprobe.Inthecaseofafuelroddefect,Kr-85gasofthefuelrodisleakedinthecanister.Bydetectionofgammaray(514keV)emittedfromKr-85outsideofthecanister,defectedrodscanbedetectedwithoutunsealingthecanister.Themonitoringtechniquewasdevelopedusingsmall-scaledmock-upexperimentsandsimulatedcalculation.TheresultshowedthatKr-85gasleakageofabout1011Bqisdetectableunderthenoisegammaraysbyusingthedetectionsystemwithcollimator,whichisabout10%ofKr-85inventoryinafuelrod.Therefore,thismonitoringtechniqueisconsideredasaninspectionmethodpriortotransportationofspentfuelfromaninterimstoragefacilitytoareprocessingplant.
Journal title :
Nuclear Engineering and Design Eslah
Journal title :
Nuclear Engineering and Design Eslah