• Title of article

    Analysisofalossofresidualheatremovalsystemduringmid-loopconditionsatPKLfacilityusingRELAP5/Mod3.3OriginalResearchArticle

  • Author/Authors

    S.Carlos، نويسنده , , J.F.Villanueva، نويسنده , , S.Martorell، نويسنده , , V.Serradell، نويسنده ,

  • Issue Information
    روزنامه با شماره پیاپی سال 2008
  • Pages
    7
  • From page
    2561
  • To page
    2567
  • Abstract
    Whenanuclearpowerplantisinshutdownconditionsforrefuelling,thereactorcoolantsystemwaterlevelisreduced.Thissituationisknownasmid-loopoperation,andtheresidualheatremoval(RHR)systemisusedinthissituationtoremovethedecaypowerheatgeneratedinthereactorcore. Inmid-loopconditions,someaccidentalsituationsmayoccurwithnotanegligiblecontributiontotheplantrisk,andallinvolvethelossoftheRHRsystem.Thus,tobetterunderstandthethermal–hydraulicprocessesfollowingthelossoftheRHRduringshutdown,transientsofthiskindhavebeensimulatedusingbest-estimatecodesindifferentintegraltestfacilities.Thispaperfocusesonthesimulation,usingthebestestimatecodeRELAP5/Mod3.3,oftheexperimentE3.1conductedatthePKLfacility.ThisexperimentconsistsofthelossoftheRHRsystemwhentheplantisinmid-loopconditionsforrefuellingandwiththeprimarycircuitclosed.Inparticular,inthisexperimentthephysicalphenomenatoinvestigatearethemechanismsofheatremovalinpresenceofnitrogenandthedeborationincriticalpartsoftheprimarysystem.
  • Journal title
    Nuclear Engineering and Design Eslah
  • Serial Year
    2008
  • Journal title
    Nuclear Engineering and Design Eslah
  • Record number

    941501