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ACTIVITY AND ISOTOPIC COMPOSITION OF RADIONUCLIDES ACCUMULATED IN THE FNPP REACTORS DURING THE FULL LIFECYCLE
JOURNAL: Volume 14, No. 1, 2024, p. 4-11HEADING: Research activities in the Arctic
AUTHORS: Antipov, S.V., Bilashenko, V.P., Kobrinskiy, Ì.N.
ORGANIZATIONS: Nuclear Safety Institute of the Russian Academy of Sciences
DOI: 10.25283/2223-4594-2024-1-4-11
UDC: 621.039.553.5
The article was received on: 28.12.2023
Keywords: Russian Arctic zone, floating thermal nuclear power plant, radiation safety, Northern Sea Route, technogenic radionuclides, radionuclide accumulation
Bibliographic description: Antipov, S.V., Bilashenko, V.P., Kobrinskiy, Ì.N. Activity and isotopic composition of radionuclides accumulated in the FNPP reactors during the full lifecycle. Arktika: ekologiya i ekonomika. [Arctic: Ecology and Economy], 2024, vol. 14, no. 1, pp. 4-11. DOI: 10.25283/2223-4594-2024-1-4-11. (In Russian).
Abstract:
The authors have estimated the activity and composition of radionuclides accumulated in the reactors of the floating nuclear thermal power plant (FNPP) upon completion of the last fuel run. An analysis of the previously occurred criticality events at transport nuclear power facilities has shown that the most harmful consequences for the population and environment arise due to the self-sustain chain reaction (SCR) with depressurized reactor. Such an event can occur at a floating nuclear power plant (FNPP). The researchers have obtained estimates for the KLT-40S reactor using the calculation for the KLT-40 reactor. They have taken into account the design-base power production, fuel enrichment, as well as the FNPP service life.
Finance info: The work is supported by the Russian Science Foundation grant No. 2019-00615-P “Research into Radioecological Problems of the Russian Arctic in Order to Enhance Radiation and Ecological Safety of Humans and Environment when Intensively Using Offshore and Onshore Nuclear Power Plants for the Region Advanced Development”.
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