Title of article
OnsomesalientunresolvedissuesinsevereaccidentsforadvancedlightwaterreactorsOriginalResearchArticle
Author/Authors
J.H.Song، نويسنده , , S.B.Kim، نويسنده , , H.D.Kim، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2005
Pages
15
From page
2055
To page
2069
Abstract
Someoftheoutstandingissuesofthesevereaccidentareevaluatedfromthesynthesisoftheresultsfromtheresearchprogramsofthesimulationofnaturallyarrestedthermalattackinthevessel(SONATA),testforrealcoriuminteractionwithwater(TROI),andthetestfortheperformanceofaquenchingscreenforahydrogenburn.
Thestrategyoftheinvesselretention(IVR)byanexternalreactorvesselcooling(ERVC)isevaluatedfortheKoreaStandardNuclearPowerPlant(KSNP)andAdvancedPowerReactor-1400(APR-1400).ThefavorableandadverseeffectsoftheproposedstrategyandtheuncertaintiesoftherelevantphenomenaincludingthegapcoolingandheatremovalcapabilityoftheEVRCarediscussed.Itisshownthatthethermalmarginforthefailureofthereactorvesselischallengedforthesereactors.TheobservationoftheenergeticspontaneoussteamexplosionsintheTROIsuggeststhatpropermeasuresshouldbetakentoavoidand/orlessentheriskofanin-vesselorex-vesselsteamexplosion,whenweemployanex-vesselcoolingstrategyand/oraninvesselinjectionstrategy.
Toaddresstheissuethatmultipleburnsinducedbythehydrogenignitercanposeathreattothesafetyequipment,theuseofaquenchingscreenissuggested.Theresultsofthelaboratoryscaleexperimentsfortheperformanceofthequenchingscreenindicatedthefeasibilityofusingaquenchingscreentoprotecttheessentialequipmentbystoppingtheflamepropagation
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2005
Journal title
Nuclear Engineering and Design Eslah
Record number
895928
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