Title of article
Researchanddevelopmentonpreventionofairingressduringtheprimary-piperuptureaccidentintheHTTROriginalResearchArticle
Author/Authors
TetsuakiTakeda، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2004
Pages
13
From page
197
To page
209
Abstract
Aprimary-piperuptureaccidentisoneofthedesign-basisaccidentsofahigh-temperaturegas-cooledreactor(HTGR).Whentheprimary-piperuptureaccidentoccurs,airisexpectedtoenterthereactorcorefromthebreachandoxidizein-coregraphitestructures.Inordertopredictoranalyzetheprocessofairingressduringtheprimary-piperuptureaccidentofHTGRs,itisveryimportanttodevelopcomputerprogramsandtovalidatethembyexperiments.Thispaperdescribesacomputerprogram,whichisnamedFLOWGR,developedtoanalyzetheprocessofairingressduringthefirststageoftheprimary-piperuptureaccident,inthecaseoftheprimary-pipeattachedtothebottompartofthereactorcore.Anoverviewofthemethodisgivenforthepreventionofairingressintothereactorduringtheprimary-piperuptureaccident.Thenumericalresultsareingoodagreementwiththeexperimentalonesregardingthedensityofthegasmixture,theconcentrationofeachgasspeciesproducedbythegraphite-oxidationreactionandtheonsettimeofthenaturalcirculationofair.Theexperimentalresultsshowthatthenaturalcirculationflowofairduringtheaccidentcanbecontrolledbythemethodofheliumgasinjectionintothereactorpressurevessel.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2004
Journal title
Nuclear Engineering and Design Eslah
Record number
894817
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