• Title of article

    CFDanalysisforthermalmixinginasubcooledwatertankunderahighsteammassfluxdischargeconditionOriginalResearchArticle

  • Author/Authors

    HyungSeokKang، نويسنده , , ChulHwaSong، نويسنده ,

  • Issue Information
    روزنامه با شماره پیاپی سال 2008
  • Pages
    10
  • From page
    492
  • To page
    501
  • Abstract
    AComputationalFluidDynamics(CFD)analysisforathermalmixingtestwasperformedfor30stodevelopthemethodologyforanumericalanalysisofthethermalmixingbetweensteamandsubcooledwaterandtoapplyittoAdvancedPowerReactor1400MWe(APR1400).IntheCFDanalysis,thesteamcondensationphenomenonbyadirectcontactwassimulatedbytheso-calledcondensationregionmodel.Thermalmixingphenomenoninthesubcooledwatertankwastreatedasanincompressibleflow,afreesurfaceflowbetweentheairandthewater,andaturbulentflow,whichareimplementedintheCFX4.4.ThecomparisonoftheCFDresultswiththetestdatashowedagoodagreementasawhole,butasmalllocaltemperaturedifferencewasfoundatsomelocations.Asensitivityanalysiswasperformedtofindthereasonofthetemperaturedifference.ThecommercialCFDcodeofCFX4.4togetherwiththecondensationregionmodelcansimulatethethermalmixingbehaviorreasonablywellwhenasufficientnumberofmeshdistributionsandapropernumericalmethodareselected.
  • Journal title
    Nuclear Engineering and Design Eslah
  • Serial Year
    2008
  • Journal title
    Nuclear Engineering and Design Eslah
  • Record number

    895022