• Title of article

    ReactivitycontrolsystemofthehightemperatureengineeringtestreactorOriginalResearchArticle

  • Author/Authors

    YukioTachibana، نويسنده , , HiroakiSawahata، نويسنده , , TatsuoIyoku، نويسنده , , ToshioNakazawa، نويسنده ,

  • Issue Information
    روزنامه با شماره پیاپی سال 2004
  • Pages
    13
  • From page
    89
  • To page
    101
  • Abstract
    Thereactivitycontrolsystemofthehightemperatureengineeringtestreactor(HTTR)consistsofacontrolrodsystemandareserveshutdownsystem.Duringnormaloperation,reactivityiscontrolledbythecontrolrodsystem,whichconsistsof32controlrods(16pairs)and16controlroddrivemechanismsexceptforthecasewhenthecentercontrolrodsareremovedtoperformanirradiationtest.Inanunlikelyeventthatthecontrolrodsfailtobeinserted,reserveshutdownsystemisprovidedtoinsertpelletsofneutron-absorbingmaterialintothecore. Alloy800Hischosenforthemetallicpartsofthecontrolrods.Becausethemaximumtemperatureofthecontrolrodsreachesabout900°Catreactorscrams,structuraldesignguidelineanddesignmaterialdataonAlloy800Hareneededforthehightemperaturedesign.ThedesignguidelinefortheHTTRcontrolrodisbasedonASMECodeCaseN-47-21.Designmaterialdataisalsodeterminedandshowninthispaper.Observingtheguideline,temperatureandstressanalysiswereconducted;itcanbeconfirmedthatthetargetlifeofthecontrolrodsof5yearscanbeachieved. Varioustestsconductedforthecontrolrodsystemandthereserveshutdownsystemarealsodescribed.
  • Journal title
    Nuclear Engineering and Design Eslah
  • Serial Year
    2004
  • Journal title
    Nuclear Engineering and Design Eslah
  • Record number

    894807