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
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