• Title of article

    LWRsevereaccidentsimulation:synthesisoftheresultsandinterpretationofthefirstPhebusFPexperimentFPT0OriginalResearchArticle

  • Author/Authors

    BClément، نويسنده , , NHanniet-Girault، نويسنده , , GRepetto، نويسنده , , DJacquemain، نويسنده , , A.VJones، نويسنده , , M.PKissane، نويسنده , , PvonderHardt، نويسنده ,

  • Issue Information
    روزنامه با شماره پیاپی سال 2003
  • Pages
    78
  • From page
    5
  • To page
    82
  • Abstract
    TheinternationalPhebusFissionProduct(FP)programme,initiatedin1988andperformedbytheFrenchInstitutdeRadioprotectionetdeSûretéNucléaire(IRSN),investigateskeyphenomenaofseverewaterreactoraccidents.Sixin-pileexperimentswereplanned.Fourhavebeensuccessfullyperformedin1993,1996,1999and2000. Thefirstexperiment,calledFPT0,useduraniumdioxidefuelof4.5%enrichmentin-situirradiatedfor9daystoaburn-upof230MWdt−1.Itwasdesignedtoreachsignificantfuelmeltingandtostudylowpressurefissionproductsreleaseandtransportthroughtheprimarycoolingsystemincludinganon-condensingsteamgeneratorandintothecontainmentvessel.Asthefirsttestoftheprogramme,FPT0wasintendedtodemonstratetheadequacyofthenew,complexPhebusfacilitytosimulatetheanticipatedphenomenaandwasthefirstattemptinusingthenewexperimentalresultsforverifyingcodes. ThescientificresultsfromFPT0weresufficientlychallengingthattheydeservetobedocumentedandinterpreted.Sincesomeofthemdidnotcorrespondtothepredictedandpre-calculatedbehaviour,thepost-testanalysisandinterpretationperiodwasratherlong.Threeyearslater,thesecondexperimentFPT1,rathersimilarinitsboundaryconditionsbutusingafuelburnedinareactor(23GWdt−1),confirmedcertainFPT0results,helpingintheirfinalinterpretationandremovingdoubtsaboutpossiblefundamentalshortcomingsofthePhebusfacility.MoredetailedexperimentalresultsofthetestareavailableinthefinaltestreportdeliverableonCD-ROMsupport.ItcanbeobtaineduponrequestfromIRSN. ThisreportretracesthehistoryofFPT0anditsgeneralprogrammecontext,andbrieflydescribesthelayoutofthefacility,supportingseparateeffecttestsandcomputationaltools.Itthenpresentsthesynthesisoftheresultsandoftheinternationalunderstandingreachedconcerningtheirinterpretation,withemphasisonfuelandfissionproductbehaviour. Finally,conclusionsarepresentedabouttheimpactofFPT0onsevereaccidentmodellingwithimplicationsonsourcetermevaluationandonaccidentpreventionandmitigationstudies.
  • Journal title
    Nuclear Engineering and Design Eslah
  • Serial Year
    2003
  • Journal title
    Nuclear Engineering and Design Eslah
  • Record number

    894615