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 :
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