Title of article :
AturbulencemodelstudyforsimulatingflowinsidetightlatticerodbundlesOriginalResearchArticle
Author/Authors :
E.Baglietto، نويسنده , , H.Ninokata، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2005
Abstract :
Performancesofvariousturbulencemodelsareevaluatedforcalculationofdetailedcoolantvelocitydistributioninatightlatticefuelbundle.Theindividualmodelsarebrieflyoutlinedandcomparedwithrespecttothepredictionofwallshearstressandvelocityfield,forafullydevelopedflowinsideatriangularlatticebundle.Comparisonsclearlyshowtheimportanceofpropermodelingoftheturbulence-drivensecondaryflowsinsubchannels.Aquadratick–ɛmodel,whichshowedpromisingcapabilityinthisrespect,isadjustedinitscoefficients,andtheadjustedmodelisappliedtofullydevelopedflowinaninfinitetriangulararray,withvariousReynoldsnumbers.Theresultsshowthattheinclusionofadequateanisotropymodelingenablestoaccuratelyreproducethewallshearstressdistributionandvelocityfieldintightlatticefuelbundles.
Journal title :
Nuclear Engineering and Design Eslah
Journal title :
Nuclear Engineering and Design Eslah
