EDN: YLFUME
Authors & Affiliations
Boldyrev A.M.1, Lyapin E.P.2, Seleznev E.F.3
1 Institute of Nuclear Physics and Engineering, National Research Nuclear University MEPhI, Moscow, Russia
2 Branch of Rosenergoatom Concern Joint Stock Company “Beloyarsk Nuclear Power Plant”, Zarechny, Russia
3 National Research Center “Kurchatov Institute“, Moscow, Russia
Boldyrev A.M.1 – Post-Graduate Student.
Lyapin E.P.2 – Head of JFL.
Seleznev E.F.3 – Leading Researcher, Dr. Sci. (Tech.). Contacts: 1, pl. Akademika Kurchatova, Moscow, Russia, 123182. Tel.: +7 (499) 196-92-57; e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it. .
Abstract
Further work on the development of nuclear power plants in the country with fast neutron reactors with sodium coolant (BN) is associated with the implementation of measures leading to a reduction in the cost of supplied electricity. This can be achieved by modernizing the main design parameters of nuclear power plants: fuel, structural materials and coolant.
This paper examines some ways of such modernization related to the use of: original fuel assembly designs, in particular an axial layer of breeding material in the central part of the assembly along the height and metal fuel in the lower half of the reactor core; by introducing new structural materials for fuel cladding; as well as the possible use of a gas turbine instead of a steam turbine.
The need to use metallic fuel in a fast reactor, as the best type of fuel for it, including for economic reasons, was formulated at the dawn of the development of nuclear energy. However, if the problems with achieving deep combustion in such fuel were solved in practice, then the problems of feedback for high-power reactors remained unresolved until recently. In this paper, the use of metallic fuel in a high-power fast reactor (type BN-1200) is considered with the solution of the feedback problem in such a reactor.
Keywords
reduction of specific costs, fast reactors, BN-600, BN-800, BN-1200, increase in fuel burnup, duration of the fuel assembly campaign, new reactor designs
Article Text (PDF, in Russian)
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UDC 621.039.553
Problems of Atomic Science and Technology. Series: Nuclear and Reactor Constants, 2024, no. 3, 3:6
