• Title of article

    DevelopmentofaswingcheckvalvemodelforalowvelocitypipeflowpredictionOriginalResearchArticle

  • Author/Authors

    Ho-GonLim، نويسنده , , Jin-HeePark، نويسنده , , Seung-CheolJang، نويسنده ,

  • Issue Information
    روزنامه با شماره پیاپی سال 2006
  • Pages
    10
  • From page
    1051
  • To page
    1060
  • Abstract
    Aswingcheckvalveiscommonlyusedtopreventareverseflowinthepipelinesofanuclearpowerplant.Theflowresistancebytheswingcheckvalvevarieswiththelocationoftheswingdiskinthevelocityrangelowerthantherequiredminimumvelocityforafullopeningoftheswingdisk,therebythefluidflowissignificantlyaffectedbythedynamicmotionoftheswingdisk.Suchaphenomenonisveryimportanttoanalyzesafetyissues,oneofwhichisthegravityfeedfollowingalossoftheresidualheatremoval(RHR)whichoccursduringamid-loopoperation.Thispaperfocusedonthedevelopmentofanewcheckvalvemodeltoenhancethecapabilityofthethermal-hydraulicsystemcode.Anewangularmomentumequationforthediskofaswingcheckvalveisproposed.TheproposedmodelisimplementedintotheMARScodeandverifiedthroughacomparisonofthesimulationresultswiththeexperimentaldata.Inparticular,theresultsofthesimulationforthegravityfeedlinearecomparablyconsistentwiththerealtestdataperformedinanuclearpowerplant.
  • Journal title
    Nuclear Engineering and Design Eslah
  • Serial Year
    2006
  • Journal title
    Nuclear Engineering and Design Eslah
  • Record number

    896058

    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=10&DC=896058