Title of article
Meltquenchingandcoolabilitybywaterinjectionfrombelow:Co-injectionofwaterandnon-condensablegasOriginalResearchArticle
Author/Authors
DaeH.Cho، نويسنده , , RichardJ.Page، نويسنده , , SherifH.Abdulla، نويسنده , , MarkH.Anderson، نويسنده , , HelgeB.Klockow، نويسنده , , MichaelL.Corradini، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2006
Pages
8
From page
2296
To page
2303
Abstract
Theinteractionandmixingofhigh-temperaturemeltandwateristheimportanttechnicalissueinthesafetyassessmentofwater-cooledreactorstoachieveultimatecorecoolability.Forspecificadvancedlightwaterreactor(ALWR)designs,deliberatemixingofthecoremeltandwaterisbeingconsideredasamitigativemeasure,toassureex-vesselcorecoolability.Thegoalofourworkistoprovidethefundamentalunderstandingneededformelt–waterinterfacialtransportphenomena,thusenablingthedevelopmentofinnovativesafetytechnologiesforadvancedLWRsthatwillassureex-vesselcorecoolability.Theworkconsiderstheex-vesselcoolabilityphenomenaintwostages.ThefirststageisthemeltquenchingprocessandisbeingaddressedbyArgonneNationalLabandUniversityofWisconsininmodifiedtestfacilities.Givenaquenchedmeltintheformofsolidifieddebris,thesecondstageistocharacterizethelong-termdebriscoolingprocessandisbeingaddressedbyKoreanMaritimeUniversityviatestandanalyses.Inthispaper,experimentsonmeltquenchingbytheinjectionofwaterfrombelowareaddressed.Thetestsectionrepresentedone-dimensionalflow-channelsimulationofthebottominjectionofwaterintoacoremeltinthereactorcavity.Themeltsimulantwasmoltenleadoraleadalloy(Pb–Bi).Fortheexperimentalconditionsemployed(i.e.,meltdepthandwaterflowrates),itwasfoundthat:(1)thevolumetricheatremovalrateincreasedwithincreasingwatermassflowrateand(2)thenon-condensablegasmixedwiththeinjectedwaterhadnoimpairingeffectontheoverallheatremovalrate.ImplicationsofthesecurrentexperimentalfindingsforALWRex-vesselcoolabilityarediscussed.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2006
Journal title
Nuclear Engineering and Design Eslah
Record number
941340
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