• Title of article

    Fluid-to-fluidmodelingofcriticalheatfluxin4×4rodbundlesOriginalResearchArticle

  • Author/Authors

    JunChen، نويسنده , , JianruLiao، نويسنده , , BoKuang، نويسنده , , Huazhao Xie، نويسنده , , YanhuaYang، نويسنده ,

  • Issue Information
    روزنامه با شماره پیاپی سال 2004
  • Pages
    9
  • From page
    47
  • To page
    55
  • Abstract
    Fluid-to-fluidmodelingofcriticalheatflux(CHF)istosimulatetheCHFbehaviorsforwaterbyemployinglowcostmodelingfluid,andtheflowscalingfactoristhekeytoapplythetechniquetofuelbundles.TheCHFexperimentsin4×4rodbundleshavebeencarriedoutinFreon-12loopinequivalentnuclearreactorwaterconditions(P=10.0–16.0MPa,G=488.0–2100.0kg/m2s,Xcr=−0.20–0.30).Themodelsinfluid-to-fluidmodelingofCHFisverifiedbytheCHFdataforFreon-12obtainedintheexperimentandtheCHFcorrelationforwaterobtainedbyNuclearPowerInstituteofChina(NPIC)inthesame4×4rodbundles.IthasbeenfoundthattheS.Y.AhmadCompensationDistortionmodel,theLuZhongqimodel,theGroeneveldmodelandStevens–KirbymodeloverpredictthebundlesCHFvaluesforwater.Thenanempiricalcorrelationofflowscalingfactorisproposed.ComparisonoftheCHFdataintwokindsoftestsectionsforFreon-12,inwhichthedistanceofthelastgridawaytheendofheatedlengthisdifferent,showsthatthespacergrid,whichislocatedat20mmawayfromtheendoftheheatedlength,hasevidentlyinfluencedontheCHFvalueinthe4×4rodbundlesforFreon-12.Thisisdifferentfromthatforwater,andtheneedforfurtherworkisrequired.
  • Journal title
    Nuclear Engineering and Design Eslah
  • Serial Year
    2004
  • Journal title
    Nuclear Engineering and Design Eslah
  • Record number

    894776