Title of article
ApplicationofCANDLEburnuptoblock-typehightemperaturegascooledreactorOriginalResearchArticle
Author/Authors
Y.Ohoka، نويسنده , , H.Sekimoto، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2004
Pages
9
From page
15
To page
23
Abstract
TheCANDLEburnupstrategy,wherethedistributionsoffuelnuclidedensities,neutronflux,andpowerdensitymovewiththesameconstantspeedandwithoutanychangeintheirshapes,isappliedtotheblock-typehightemperaturegascooledreactor.Ifitissuccessful,aburnupcontrolrodcanbeeliminated,andseveralmeritsareexpected.Thisburnupmayberealizedbyenricheduraniumandburnablepoisonwithlargeneutronabsorptioncross-section.Withthefuelenrichmentof15%,gadoliniumconcentrationof3.0%,andfuelcellpitchof6.6cm,theCANDLEburnupisrealizedwiththeburningregionmovingspeedof29cm/yearandtheaxialhalf-widthofpowerdensitydistributionof1.5m.Whentheconcentrationofnaturalgadoliniumishigher,theburningregionmovingspeedbecomesslowerandtheburnupbecomeshigher,thoughtheeffectiveneutronmultiplicationfactorbecomessmaller.WhenU-235enrichmentishigher,theeffectiveneutronmultiplicationfactorbecomeslarger,thespeedbecomesslower,andtheburnupbecomeshigher.Whenthepitchiswider,theeffectiveneutronmultiplicationfactorbecomeslarger,thespeedbecomesfaster,andtheburnupbecomeshigher.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2004
Journal title
Nuclear Engineering and Design Eslah
Record number
894696
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