• Title of article

    Researchworksoncontaminationtransfersthroughcrackedconcretewalls

  • Author/Authors

    ThomasGelain، نويسنده , , JacquesVendel، نويسنده ,

  • Issue Information
    روزنامه با شماره پیاپی سال 2008
  • Pages
    7
  • From page
    1159
  • To page
    1165
  • Abstract
    Thisstudytakesplacewithintheframeworkofnuclearfacilitiescontainmentassessment.Theaimsaretodeterminegaseousflow,two-phaseflowandaerosoldepositionmodelsthroughacracknetworkbyusingthemostrealisticandrepresentativecracknetworkcharacteristics.Forthis,thecracknetworkisconsideredastwoinfiniteparallelplates.Firstofall,airflowexperimentsareperformedonthreeconcretewalls(128cminwidth,75cminheightand10cminthickness),crackedbyshearstresses.Theresultsenabledeterminingaerauliccracknetworkcharacteristics,thankstothePoiseuillemodelinlaminarcompressibleflow,andelaboratinganexperimentalfrictionfactorcorrelationforthetransitionflow,validateduptoaReynoldsnumberof250.Next,aerosoldepositionexperimentswereperformedwithoneofthepreviousconcretewallsinordertodetermineaglobalaerosoldepositionmodelinacracknetwork.Thefirstexperimentswithanaerosoldiameterof60nmshowedthattheaerauliccracknetworkcharacteristicsaresuitablefortheaerosolphysics.Therefore,geometricalcracknetworkcharacteristicsweredeterminedbyusingseveraltypesofexperimentandenable–thankstoaerosoldepositionexperiments–constitutingandvalidatingaglobalmodelofaerosoldepositioninacracknetwork.
  • Journal title
    Nuclear Engineering and Design Eslah
  • Serial Year
    2008
  • Journal title
    Nuclear Engineering and Design Eslah
  • Record number

    895072