Title of article :
Atwo-phasemethodologytopredictFACwearsitesinthepipingsystemofaBWROriginalResearchArticle
Author/Authors :
YuhMingFerng، نويسنده , , YungShinTseng، نويسنده , , BauSheiPei، نويسنده , , S.LongWang، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2008
Abstract :
Flowacceleratedcorrosion(FAC)wearisaseriousdegradationproblemespeciallyfornuclearpowerplantssinceitmayresultintheplantdamageaswellasrisktopersonnel.Inthispaper,amethodologywhichincludesthetwo-phasehydrodynamicCFDmodelsandFACmodels,isproposedtopredictsevereFACwearsites.Basedonhydrodynamicsimulationresults,thepresentCFDmodelscanpreciselycapturethetwo-phasecharacteristicswithinthepipingsystem,whichincludethecentrifugaleffect,thegravitationeffectandtheimbalanceofphaseandmassseparationinaT-junction,etc.Coupledwiththeseflowcharacteristics,theappropriateFACindicatorscanpredictthepossiblelocationsofsevereFACwear.Thismethodologywasvalidatedagainstthemeasuredresultsofwearsitedistributionsforthepipingsysteminaboilingwaterreactor(BWR)powerplant.GoodagreementbetweenmeasurementsandpredictionsatseverewearsitesindicatethatthepresentmodelscancapturethecharacteristicsofsevereFACwearandcanhelpassistinthepipewall-monitoringprogramforanuclearpowerplant.
Journal title :
Nuclear Engineering and Design Eslah
Journal title :
Nuclear Engineering and Design Eslah
