• Title of article

    TheAREVAHTRfuelcycle:AnanalysisoftechnicalissuesandpotentialindustrialsolutionsOriginalResearchArticle

  • Author/Authors

    DominiqueGreneche، نويسنده , , WilliamJ.Szymczak، نويسنده ,

  • Issue Information
    روزنامه با شماره پیاپی سال 2006
  • Pages
    8
  • From page
    635
  • To page
    642
  • Abstract
    TheAREVAhightemperaturereactor(HTR)isamodular600MWthightemperaturegas-cooledreactorthatprovidesupto950°Cprocessheliumforpowergenerationand/orhydrogenproduction.EnergyfacilitiesbasedonthistechnologywillconsistofuptofourAREVAHTRmodulesachievinghighthermodynamicefficiencywithatotalpossibleelectricalgenerationcapabilityof1200MWe.AttheheartoftheAREVAHTRistheTRISO-coatedlow-enricheduranium(LEU)fuelwhichisassembledintofuelcompactsthatareinsertedintoprismaticgraphitefuelelements. TheintentofthispaperistoexaminetheAREVAHTRfuelandfuelcyclefromtwoperspectives.First,fromthe“front-end”perspective,theavailablefuelcycle-relatedoptionsareexaminedalongwiththebasisforthesubsequentchoiceoffueltypeandcycle.Second,fromthe“back-end”perspective,thegenerationandmanagementofspentfuelandgraphitewasteisexaminedalongwiththestrategiesandoptionsavailablefordispositionordisposal. TheAREVAHTRhastheinherentflexibilitytoaccommodatemanyfueltypesandtopermitfullcost-effectiveoptimization.Thereasonsforthisflexibilityarepresentedandthemainadvantagesanddisadvantagesofthevariousfuelscyclearediscussed.ThereferencefuelcyclefortheAREVAHTRisthenintroducedanditsmainfeaturesaregiven.Additionally,non-proliferationattributesoftheAREVAHTRtechnologyarealsoexamined. TheamountofspentfuelandgraphitewastegeneratedbytheAREVAHTRisgovernedbytheburn-upcapabilityofthefuelandthelongevityoftheadjacentgraphitereflectorblocks.Ascurrentlyenvisioned,theAREVAHTRwillneedtoberefueledevery18months,with50%ofthecorebeingreplaced.Additionally,thegraphitereflectorblockswillneedtobereplacedatregularintervals.Givena60-yeardesignlife,approximately20,000spentfuelelementsand10,000graphitereflectorsblockswillbegenerated.Thenear-termandlong-termoptionsfordealingwiththesewastestreamsareexaminedand,aswiththefrontendofthefuelcycle,areferencestrategyforspentfuelandgraphitewasteproposed.
  • Journal title
    Nuclear Engineering and Design Eslah
  • Serial Year
    2006
  • Journal title
    Nuclear Engineering and Design Eslah
  • Record number

    896023