Title of article
SimulationofmeltjetbreakupanddebrisbedformationinwaterpoolswithIKEJET/IKEMIXOriginalResearchArticle
Author/Authors
GeorgPohlner، نويسنده , , ZoranVujic، نويسنده , , ManfredBürger، نويسنده , , GünterLohnert، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2006
Pages
23
From page
2026
To page
2048
Abstract
TheobjectiveofthedevelopmentofthecodesystemKESSissimulatingtheprocessesofcoremelting,relocationofcorematerialtothelowerheadofthereactorpressurevessel(RPV)anditsfurtherheatup,modellingoffissionproductreleaseandcoolabilityofthecorematerial.Inthescopeofthecodedevelopment,IKEJETandIKEMIXweredesignedaskeymodelsforthebreakupofamoltenjetfallingintoawaterpool,coolingoffragmentsandtheformationofparticulatedebrisbeds.Calculationswereperformedwiththesecodes,simulatingFAROcoriumquenchingexperimentsatsaturated(L-28)andsubcooled(L-31)conditions,aswellasPREMIXexperiments,e.g.PM-16.Withtheassumptionofareducedinterfacialfrictionbetweenwaterandsteamascomparedtousuallyappliedlaws,themeltbreakup,energyreleasefromthemeltandpressurisationofthevesselobservedintheexperimentsarereproducedwithareasonableaccuracy.Themodelisfurtherappliedtoreactorconditions,calculatingtherelocationofamassofcoriumof30tintothelowerplenum,itsfragmentationandtheformationofaparticlebed.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2006
Journal title
Nuclear Engineering and Design Eslah
Record number
941320
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