Title of article :
Downcomerboilingphenomenaduringtherefloodphaseofalarge-breakLOCAfortheAPR1400OriginalResearchArticle
Author/Authors :
B.J.Yun، نويسنده , , D.J.Euh، نويسنده , , C.-H.Song، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2008
Abstract :
Downcomerboilingphenomenainaconventionalpressurizedwaterreactorhasanimportanteffectonthetransientbehaviorofapostulatedlarge-breakLOCA(LBLOCA),becauseitcandegradethehydraulicheadofthecoolantinthedowncomerandconsequentlyaffecttherefloodflowrateforacorecooling.Toinvestigatethethermalhydraulicbehaviorinthedowncomerregion,atestprogramforadowncomerboiling(DOBO)isbeingprogressedfortherefloodphaseofapostulatedLBLOCA.Testfacilitywasdesignedasaonesideheatedrectangularchannelwhichadoptsafull-pressure,full-height,andfull-sizedowncomer-gapapproach,butwiththecircumferentiallengthreduced47.08-fold.Thetestwasperformedbydividingitintotwo-phases:(I)visualobservationandacquisitionoftheglobaltwo-phaseflowparametersand(II(a))measurementofthelocalbubbleflowparametersonthemeasuringplanesalongfiveelevations.Inthepresentpaper,thetestresultsofPhase-IandapartofPhase-II(a)wereintroduced.
Journal title :
Nuclear Engineering and Design Eslah
Journal title :
Nuclear Engineering and Design Eslah
