Title of article :
ThermalhydraulicstudyondetectionofrandomfailureoffuelbydelayedneutrondetectionsystemOriginalResearchArticle
Author/Authors :
K.Natesan، نويسنده , , K.Velusamy، نويسنده , , P.Selvaraj، نويسنده , , P.Chellapandi، نويسنده , , S.C.Chetal، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2007
Abstract :
Duringafuelelementfailureinaliquidmetalcooledfastbreederreactor,thefissionproductsoriginatingfromthefailedpinsmixintothesodiumpool.Delayedneutrondetectorsareprovidedinthesodiumpooltodetectsuchfailuresbywayofdetectionofdelayedneutronsemittedbydelayedneutronprecursorspresentinthefissionproducts.Thetransientevolutionofprecursorconcentrationisgovernedbythesodiumflowdistributioninthepool.Transientthermalhydraulicanalysisofprecursorconcentrationevolutioninthehotpoolofa500MWefastreactorhasbeencarriedoutusingthecomputationalfluiddynamicscodePHOENICStoestimatethetimeatwhichthefailuresofvariousfuelsubassemblyaredetected.Standardk–ɛturbulencemodelisusedtotakecareofturbulenceinconjunctionwiththeprecursorconcentrationequation.IthasbeenfoundthatinordertoeffectivelydetectthefailureofallfuelSAinthecore,aminimumofeightdetectorsareessentialtobeprovidedinthehotpool.
Journal title :
Nuclear Engineering and Design Eslah
Journal title :
Nuclear Engineering and Design Eslah
