Title of article :
Formation,characterisationandcoolingofdebris:ScenariodiscussionwithemphasisonTMI-2OriginalResearchArticle
Author/Authors :
NilsReinke، نويسنده , , TilmanDrath، نويسنده , , Thilov.Berlepsch، نويسنده , , HermannE.Unger، نويسنده , , MarcoK.Koch، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2006
Abstract :
Regardingsafetyimprovementsforexistingnuclearpowerplants,theTMI-2accidentisinterestingbecauseofthepresentcommercialdominanceoflightwaterreactors(LWR).Thisaccidentdemonstratedthatthenuclearsafetyphilosophyevolvedovertheyearshastocoveraccidentsequencesinvolvingmassivecoremeltprogressioninordertodevelopreliablemitigationstrategiesforboth,existingandadvancedreactors.AlthoughtheTMI-2corewasreflooded,theresultsalsoappearapplicabletothegeneralmeltprogressionphenomenologyofmostunrecovered(unreflooded)blockedcoreaccidentscenarios.Nevertheless,alargerangeintheinitialconditionsofcoremeltprogressionprovidessignificantuncertaintiesinassessingtheintegrityofthelowerhead,thecontainmentinseverereactoraccidents,andtheconsequencesofrecoveryactionsinaccidentmanagement,aswellascorerefloodinginparticular.Theprobabilityofsuccessofrefloodingasanaccidentmanagementstrategy–in-vesselrefloodingtoterminatetheaccidentandex-vesselfloodingtopreventreactorvesselmelt-through–hastobeassessedanddiscussedindetail.
Journal title :
Nuclear Engineering and Design Eslah
Journal title :
Nuclear Engineering and Design Eslah
