Author/Authors :
Y.Fukaya، نويسنده , , T.Okubo، نويسنده , , S.Uchikawa، نويسنده ,
Abstract :
Thespentfuelcharacteristicsofthereduced-moderationwaterreactor(RMWR)havebeeninvestigatedusingtheSWATandORIGENcodes.RMWRisanadvancedLWRconceptforplutoniumrecyclingbyusingtheMOXfuel.Inthecodecalculation,theORIGENlibrariessuchasone-groupcross-sectiondatapreparedforRMWRwerenecessary.SincetherewerenoopenlibrariesforRMWR,theywereproducedinthisstudybyusingtheSWATcode.Newlibrariesbasedontheheterogeneouscoremodelingintheaxialdirectionandwiththevariableactinidecross-section(VXSEC)optionwereproducedandselectedastherepresentativeORIGENlibrariesforRMWR.InordertoinvestigatethecharacteristicsoftheRMWRspentfuel,thedecayheat,theradioactivityandthecontentofeachnuclidewereevaluatedwithORIGENusingtheselibraries.Inthisstudy,thespentfuelcharacteristicsofothertypesofreactors,suchasPWR,BWR,highburn-upPWR,full-MOX-PWR,full-MOX-BWRandFBR,werealsoevaluatedwithORIGEN.
