• Title of article

    UncertaintyandsensitivityanalysisofMCPs’tripeventsatIgnalinaNPPOriginalResearchArticle

  • Author/Authors

    VVileiniskis، نويسنده , , AKaliatka، نويسنده ,

  • Issue Information
    روزنامه با شماره پیاپی سال 2003
  • Pages
    13
  • From page
    213
  • To page
    225
  • Abstract
    Eightmaincirculationpumps(MCPs)areemployedforthecoolingwaterforcedcirculationthroughtheRBMK-1500reactorattheIgnalinanuclearpowerplant(NPP).TherehavebeenafeweventswhenoneormoreMCPswereinadvertentlytripped. ThispaperpresentsinvestigationofaoneMCPtripeventandallMCPs’tripeventsatIgnalinaNPP.Thermal-hydraulicanalysiswasconductedusingthebestestimatesystemcodeRELAP5/MOD3.3.Uncertaintyandsensitivityanalysisofflowenergylossindifferentpartsofthemaincirculationcircuit(MCC),initialconditionsandcode-selectedmodelswasperformed.Suchanalysisallowstoestimatetheinfluenceofseparateparametersonthecalculationresultsandfindthosemodellingparametersthathavethelargestimpactontheinvestigatedevents.UncertaintyanalysisindicatesthatnaturalcirculationprovidesadequatecoolinginthecaseofallMCPstripped,andthatthereactorisreliablycooledbyforcedcirculationinthecaseofasingletrippedMCP.Onthebasisofthisanalysis,recommendationsforthefurtherimprovementofmodelaredeveloped.
  • Journal title
    Nuclear Engineering and Design Eslah
  • Serial Year
    2003
  • Journal title
    Nuclear Engineering and Design Eslah
  • Record number

    894583