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
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