Title of article :
CFDsimulationsofhydrogencombustioninasimplifiedEPRcontainmentwithCFXandREACFLOWOriginalResearchArticle
Author/Authors :
DanieleBaraldi، نويسنده , , MatthiasHeitsch، نويسنده , , HeinzWilkening، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2007
Abstract :
Thepredictionofover-pressuresandtemperaturesthataregeneratedbyhydrogenexplosionsincaseofaseverenuclearaccidentisacrucialstageofthesafetyanalysisofthecontainment.TheinvestigationpresentedinthispaperisacontinuationofthenumericalstudiesofvalidationandbenchmarkingthatwerecarriedoutintheEuropeanco-sponsoredprojectHYCOM.Inthepresentwork,numericalsimulationsofhydrogendeflagrationswithinasimplified,real-scaleEuropeanPressureReactor(EPR)containmenthavebeenperformedwithtwoCFDcodes,CFX4andREACFLOW.Theanalysishasbeenfocusednotonlyonoverpressurepeaksandpressureoscillations,butalsoonpressuredifferencesbetweenthetwosidesofthesamewallofinternalcompartments.Differentgeometricalconfigurationshavebeenconsideredintermofpresenceofventsbetweeninternalcompartmentsandintermofventsnumber,sizeandposition.Singleandmultipleignitionpointshavealsobeentakenintoaccount.ThepaperdescribesthemainresultsoftheinvestigationanditisademonstrationofhowCFDmodellingcanprovidesignificantindicationsforreal-scalesafetyapplicationswithinthelimitsofuncertaintyoftheaccidentscenarios.
Journal title :
Nuclear Engineering and Design Eslah
Journal title :
Nuclear Engineering and Design Eslah
