Title of article
Sensitivitystudiesofmodularhigh-temperaturegas-cooledreactorpostulatedaccidentsOriginalResearchArticle
Author/Authors
SydBall، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2006
Pages
9
From page
454
To page
462
Abstract
Theresultsofvariousaccidentscenariosimulationsforthetwomajormodularhightemperaturegas-cooledreactor(HTGR)variants(prismaticandpebblebedcores)arepresented.Sensitivitystudiescanhelptoquantifytheuncertaintyrangesofthepredictedoutcomesforvariationsinsomeofthemorecrucialsystemparameters,aswellasforoccurrencesofequipmentand/oroperatorfailuresorerrors.Inaddition,sensitivitystudiescanguidefurthereffortsinimprovingthedesignanddeterminingwheremore(orless)R&Disappropriate.BothofthemodularHTGRdesignsstudied–the400-MW(t)pebblebedmodularreactor(PBMR,pebble)andthe600-MW(t)gas-turbinemodularheliumreactor(GT-MHR,prismatic)–showexcellentaccidentpreventionandmitigationcapabilitiesbecauseoftheirinherentpassivesafetyfeatures.Thelargethermalmarginsbetweenoperatingand“potentialdamage”temperatures,alongwiththetypicallyveryslowaccidentresponsetimes(approximatedaystoreachpeaktemperatures),tendtoreduceconcernsaboutuncertaintiesinthesimulationmodels,theinitiatingevents,andtheequipmentandoperatorresponses.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2006
Journal title
Nuclear Engineering and Design Eslah
Record number
896006
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