• Title of article

    HighpowerrampingincommercialPHWRfuelatextendedburnupOriginalResearchArticle

  • Author/Authors

    ArmandoC.Marino، نويسنده , , PabloC.Florido، نويسنده ,

  • Issue Information
    روزنامه با شماره پیاپی سال 2006
  • Pages
    13
  • From page
    1371
  • To page
    1383
  • Abstract
    ArgentineanAtuchaandEmbalseNPP,bothPHWRwithonlinerefuellingwithapproximately68,000fuelelements,irradiatedatstandardburnup,duringtherefuellingthefuelchangesthepowerclosetoamathematicalidealstep.Recently,Atuchacorestartedtooperatefullywithslightlyenricheduranium(SEU,0.85%ofenrichment)increasingtheburnupmorethan50%,thusproducingthefirstirradiateddatabaseofonlinerefuellingatextendedburnupusingcommercialfuelelements. TheBACOcodewasextensivelyusedinArgentinatomodelthephysicalbehaviourofbothfuelelements,naturalUO2andSEU.ThehoopstresspredictedbyBACOattheinnersurfaceofthecladdingcorrelateverywellwiththefuelfailureprobabilityoverawiderangeoftests.Usingthedatabaseofpresentcommercialextendedburnupfuel,asimplecriterionoffuelfailuretakingintoaccountprobabilisticandparametricanalysiscorrelateverywellwiththepresentirradiationexperience,inagreementwithpreviousBACOexperiencewhichconfirmtheexpectedbehaviourandtheSEUfuelelementdesign.
  • Journal title
    Nuclear Engineering and Design Eslah
  • Serial Year
    2006
  • Journal title
    Nuclear Engineering and Design Eslah
  • Record number

    896088