• Title of article

    CFDsimulationsoflightgasreleaseandmixingintheBattelleModel-ContainmentwithCFXOriginalResearchArticle

  • Author/Authors

    HeinzWilkening، نويسنده , , DanieleBaraldi، نويسنده , , MatthiasHeitsch، نويسنده ,

  • Issue Information
    روزنامه با شماره پیاپی سال 2008
  • Pages
    9
  • From page
    618
  • To page
    626
  • Abstract
    Inthisvalidationworktwoturbulencemodels(k–ɛandSSTmodel)andtwogrids(afinerhybridgridandatetrahedralcoarsergrid)areconsideredinordertomodelheliumreleaseanddispersion.SimulationresultsarecomparedagainstanexperimentofjetreleasephenomenaintheBattelleModelContainmentfacility(BMC),amulti-compartmentfacilitywithatotalvolumeofabout560m3.Intheselectedtest,HYJETJx7,heliumwasreleasedintothecontainmentataspeedof42m/soveratimeof200s.Althoughthek–ɛmodelisthemostcommonlyusedturbulencemodelinmostComputationalFluidDynamics(CFD)applications,itdoesnotprovidethemostaccuratepredictionsforthisapplication.AlternativelytheSSTturbulencemodelhasbeenemployedgivingmoreaccurateresults.ThisinvestigationprovidesafurtherconfirmationthatthevalidationofcommercialCFDcodesisalwaysrequiredinordertoselectthemoresuitablephysicalmodelsandcomputationalgridsforeachspecificapplication.
  • Journal title
    Nuclear Engineering and Design Eslah
  • Serial Year
    2008
  • Journal title
    Nuclear Engineering and Design Eslah
  • Record number

    895034