Title of article
CHFenhancementbyvesselcoatingforexternalreactorvesselcoolingOriginalResearchArticle
Author/Authors
J.Yang، نويسنده , , M.B.Dizon، نويسنده , , F.B.Cheung، نويسنده , , J.L.Rempe، نويسنده , , K.Y.Suh، نويسنده , , S.B.Kim، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2006
Pages
10
From page
1089
To page
1098
Abstract
In-vesselretention(IVR)isakeysevereaccidentmanagement(SAM)strategythathasbeenadoptedbysomeoperatingnuclearpowerplantsandproposedforsomeadvancedlightwaterreactors(ALWRs).OneviablemeansforIVRisthemethodofexternalreactorvesselcooling(ERVC)byfloodingthereactorcavityduringasevereaccident.AspartofajointKorean–UnitedStatesInternationalNuclearEnergyResearchInitiative(K-INERI),anexperimentalstudyhasbeenconductedtoinvestigatetheviabilityofusinganappropriatevesselcoatingtoenhancethecriticalheatflux(CHF)limitsduringERVC.Towardthisend,transientquenchingandsteady-stateboilingexperimentswereperformedinthesubscaleboundarylayerboiling(SBLB)facilityatthePennsylvaniaStateUniversityusingtestvesselswithmicro-porousaluminumcoatings.LocalboilingcurvesandCHFlimitswereobtainedintheseexperiments.Whencomparedtothecorrespondingdatawithoutcoatings,substantialenhancementinthelocalCHFlimitsforthecasewithsurfacecoatingswasobserved.Resultsofthesteady-stateboilingexperimentsshowedthatmicro-porousaluminumcoatingswereverydurable.Evenaftermanycyclesofsteady-stateboiling,thevesselcoatingsremainedratherintact,withnoapparentchangesincolororstructure.Moreover,theheattransferperformanceofthecoatingswasfoundtobehighlydesirablewithanappreciableCHFenhancementinalllocationsonthevesseloutersurfacebutwithverylittleeffectofaging.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2006
Journal title
Nuclear Engineering and Design Eslah
Record number
896062
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