• Title of article

    DevelopmentofthedetectingmethodofheliumgasleakfromcanisterOriginalResearchArticle

  • Author/Authors

    HirofumiTakeda، نويسنده , , MasumiWataru، نويسنده , , KojiShirai، نويسنده , , ToshiariSaegusa، نويسنده ,

  • Issue Information
    روزنامه با شماره پیاپی سال 2008
  • Pages
    7
  • From page
    1220
  • To page
    1226
  • Abstract
    Intheconcretecaskstoragesystem,spentfuelisinstalledandweld-sealedinacylindricalcontainercalledacanister.Thecanisterisfilledwithheliumgasanditscontainmentshallbemaintainedandinspectedduringstorage.Theheliumgasenhancesheatremovalfromspentfuel.Whentheheliumgasleaks,theeffectofheliumgasconvectionisweakenedinthecanister.Thereof,thetemperatureonthecanistersurfacechanges. Inpresenttests,itwasfoundthattemperaturesofthecenterofthetopandthebottomonthecanistersurfacechangeremarkablyduringtheheliumgasleak.Therefore,wedefinedthetemperaturedifferenceasΔTBT.AndonecandetectheliumgasleakusingthechangeofΔTBT.ΔTBTincreasesmonotonouslytowardaconstantvalueduringheliumgasleak,eveniftheinletairtemperaturedrops.TheheliumgasleakcanbedetectedattheearlystageoftheleakbyobservingbothΔTBTandinletairtemperature.
  • Journal title
    Nuclear Engineering and Design Eslah
  • Serial Year
    2008
  • Journal title
    Nuclear Engineering and Design Eslah
  • Record number

    895080