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Calculations of the principal neutronic characteristics of a hypothetical VVER assembly with minor actinides incorporated into PuO2 -ThO2 fuel in a duplex configuration

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creativeworkseries.issn2452-3038
dc.contributor.authorKabach, O.
dc.contributor.authorRadi, A.
dc.contributor.authorChakir, E. M.
dc.date.accessioned2024-10-30T13:03:31Z
dc.date.available2024-10-30T13:03:31Z
dc.date.issued2024
dc.description.abstractThe VVER-1200/AES-2006 is recognized as a leading Gen III+ nuclear reactor design, meeting stringent international safety standards. This study evaluates the use of a novel PuO2 -ThO2 duplex fuel, incorporating weapon-grade plutonium (WgPu) and thorium, for a hypothetical VVER-1200 assembly. The research also explores incorporating minor actinides (MAs) for transmutation, comparing two methods: MAs coated on WgPuO2 and MAs mixed with WgPuO2 as integral fuel burnable absorber rods. Neutronic properties of these fuels are compared to those of LEU-fueled assemblies. The results show a 135% higher burnup for the duplex fuel compared to LEU, with extended criticality, reduced reactivity swings, and lower Pu-239 concentrations upon discharge. While Np-237 and Am-241 concentrations decrease, Am-243, Cm-244, and Cm-245 increase, but overall radiotoxic waste is reduced. Enhanced safety coefficients are also observed, within acceptable LWR ranges.
dc.identifier.citationRadi A, Kabach O, Chakir EM (2024) Calculations of the principal neutronic characteristics of a hypothetical VVER assembly with minor actinides incorporated into PuO2 -ThO2 fuel in a duplex configuration. Nuclear Energy and Technology 10(4): 221–233. https://doi.org/10.3897/nucet.10.133677
dc.identifier.doi10.3897/nucet.10.133677
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/15929
dc.identifier.urihttps://nucet.pensoft.net/article/133677/
dc.identifier.urihttps://doi.org/10.3897/nucet.10.133677
dc.publisherНИЯУ МИФИ
dc.subjectMinor Actinides
dc.subjectPlutonium
dc.subjectDuplex Fuel
dc.subjectVVER-1200 assembly
dc.subjectThorium
dc.titleCalculations of the principal neutronic characteristics of a hypothetical VVER assembly with minor actinides incorporated into PuO2 -ThO2 fuel in a duplex configuration
dc.title.alternativeResearch Article
dc.typeArticle
dspace.entity.typePublication
relation.isJournalIssueOfPublication81a47c25-536d-4087-aa9f-410b43f0617c
relation.isJournalIssueOfPublication.latestForDiscovery81a47c25-536d-4087-aa9f-410b43f0617c
relation.isJournalOfPublicatione11ecc6c-1851-485a-af73-18119b4fce7f
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