Title of article
Fluid-structureinteractionanalysisofahypotheticalcoredisruptiveaccidentinLMFBRsOriginalResearchArticle
Author/Authors
ChuangLiu، نويسنده , , XiongZhang، نويسنده , , Ming-WanLu، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2005
Pages
12
From page
701
To page
712
Abstract
Toensuresafety,itisnecessarytoassesstheintegrityofareactorvesselofliquid-metalfastbreederreactor(LMFBR)underHCDA.Severalimportantproblemsforafluid-structuralinteractionanalysisofHCDAarediscussedinthepresentpaper.Variousloadingmodelsofhypotheticalcoredisruptiveaccident(HCDA)arecomparedandthepolytropicprocessesofideagas(PPIG)lawisrecommended.Inordertodefinealimitedtotalenergyrelease,a“5%truncationcriterion”issuggested.Therelationshipofinitialpressureofgasbubbleandthetotalenergyreleaseisgiven.TotrackthemovinginterfacesandtoavoidtheseveremeshdistortionanarbitraryLagrangrian–Eulerian(ALE)approachisadoptedinthefiniteelementmodeling(FEM)analysis.Liquidseparationandsplashfromafreesurfacearediscussed.Byusinganelasticitysolutionunderlocallyuniformpressure,twosimplifiedanalyticalsolutionsfor3Dandaxi-symmetriccaseoftheliquidimpactpressureonroofslabarederived.Anaxi-symmetricfiniteelementscodeFRHCDAforfluid-structureinteractionanalysisofhypotheticalcoredisruptiveaccidentinLMFBRisdeveloped.TheCONTbenchmarkproblemiscalculated.Thenumericalresultsagreewellwiththosefrompublishedpapers.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2005
Journal title
Nuclear Engineering and Design Eslah
Record number
894880
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