Title of article :
SimulationofmeltjetbreakupanddebrisbedformationinwaterpoolswithIKEJET/IKEMIXOriginalResearchArticle
Author/Authors :
GeorgPohlner، نويسنده , , ZoranVujic، نويسنده , , ManfredBürger، نويسنده , , GünterLohnert، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2006
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
Journal title :
Nuclear Engineering and Design Eslah
