Title of article
AlatticeBoltzmannmodelingofcorrosionbehaviorandoxygentransportinthenaturalconvectionlead-alloyflowOriginalResearchArticle
Author/Authors
HuajunChen، نويسنده , , YitungChen، نويسنده , , Hsuan-TsungHsieh، نويسنده , , JinsuoZhang، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2007
Pages
12
From page
1987
To page
1998
Abstract
Corrosionofstructuralmaterialspresentsacriticalchallengeintheuseoflead–bismutheutectic(LBE)orliquidleadasanuclearcoolantinaccelerator-drivensystemsandadvancedreactors.ActivelycontrollingtheoxygenconcentrationinLBEhasbeenprovedtobeeffectivetomitigatecorrosionundercertainconditions.Formixingtheoxygenuniformlyandquickly,naturalconvectionisproposedtoenhancetheoxygentransport.Inthepresentstudy,alatticeBoltzmmansimulationofcouplednaturalconvectionandleadbismutheutecticflowinasimplifiedcontainerwascarriedouttostudycharacteristicsoftheoxygentransportandcorrosionbehaviors.Itisassumedthatthecorrosionproduct(mainlyiron)concentrationisatitsequilibriumlevelatthewall.Thewallboundaryconditionforthemasstransferofcorrosionproductionwastakenbasedontheactive-oxygen-controlmodel.Toexaminetheeffectofdifferentnatureconvectionflowpatternsoncorrosionbehaviorandoxygentransport,threeheatingcases,whichcorrespondtoone-,two-andfour-vortexflowpatterns,areexamined.BothofthelocalandaverageSherwoodnumberatthewall,distributionofcorrosionproductandoxygen,andoxygendiffusiontimeareanalyzed.SomeusefulinformationwasobtainedtounderstandthemechanismofcorrosionbehaviorandoxygentransportintheLBEsystem.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2007
Journal title
Nuclear Engineering and Design Eslah
Record number
941419
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