Title of article
AstudyonevaluatingapassiveautocatalyticrecombinerPAR-systeminthePWRlarge-drycontainmentOriginalResearchArticle
Author/Authors
J.Deng، نويسنده , , X.W.Cao، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2008
Pages
7
From page
2554
To page
2560
Abstract
Asystematicstep-by-stepframeworkforanalyzinghydrogenbehaviorandimplementingpassiveautocatalyticrecombiners(PARs)tomitigatehydrogendeflagrationordetonationriskinsevereaccidents(SAs)ispresented.Theprocedurecanbesubdividedintofivemainsteps:(1)modelingthecontainmentbasedontheplantdesigncharacteristics,(2)selectingthetypicalsevereaccidentsequences,(3)calculatingthehydrogengenerationincludingin-andex-vesselperiod,(4)modelingthegasdistributionincontainmentatmosphereandestimatingthehydrogencombustionmodesand(5)evaluatingtheefficiencyofthePAR-systemtomitigatethehydrogenriskwithandwithoutcatalyticrecombiners,accordingtothesafetycriterion.FortheChinese600MWepressurizedwaterreactor(PWR)withalarge-drycontainment,largebreakloss-of-coolantaccident(LB-LOCA)isscreenedoutasthereferencesevereaccidentsequence,consideringthenatureofhydrogengenerationandtheprobabilisticsafetyassessment(PSA)resultonaccidentsequences.Theresultsshowthatacertainnumberofrecombinerscouldremoveeffectivelyhydrogenandoxygen,toprotectthecontainmentintegrityagainsthydrogendeflagrationordetonation.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2008
Journal title
Nuclear Engineering and Design Eslah
Record number
941500
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