• Title of article

    NucleardesignOriginalResearchArticle

  • Author/Authors

    NozomuFujimoto، نويسنده , , NaokiNojiri، نويسنده , , HiroeiAndo، نويسنده , , KiyonobuYamashita، نويسنده ,

  • Issue Information
    روزنامه با شماره پیاپی سال 2004
  • Pages
    14
  • From page
    23
  • To page
    36
  • Abstract
    Thehigh-temperatureengineeringtestreactor(HTTR)hasbeendesignedforanoutlettemperatureof950°C.Thatisthehighesttemperatureintheworldforablock-typehigh-temperaturegas-cooledreactor(HTGR).Thefunctionsofthereactivitycontrolsystemaredeterminedconsideringtheoperationalconditions,andthereactivitybalanceisplannedsothatthedesignrequirementsarefullysatisfied.Moreover,thereactivitycoefficientsareevaluatedtoconfirmthesafetycharacteristicsofthereactor.Thepowerdistributioninthecorewasoptimizedbychangingtheuraniumenrichmenttomaintainthefueltemperatureatlessthanthelimit(1600°C).Deviationfromtheoptimizeddistributionduetotheburnupoffissilematerialswasavoidedbyflatteningtime-dependentchangesinlocalreactivities.Flatteningwasachievedbyoptimizingthespecificationsoftheburnablepoisons. Theoriginalnucleardesignmodelhadtobemodifiedbasedonthefirstcriticalexperiments.TheMonteCarlocodeMVPwasalsousedtopredictcriticalityoftheinitialcore.Thepredictedexcessreactivitiesarenowingoodagreementwiththeexperimentalresults.
  • Journal title
    Nuclear Engineering and Design Eslah
  • Serial Year
    2004
  • Journal title
    Nuclear Engineering and Design Eslah
  • Record number

    894801

    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=10&DC=894801