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- Title
THERMAL HYDRAULIC METHOD OF OPTIMIZING THE THERMAL RESISTANCE OF NUCLEAR FUEL OF REACTOR INSTALLATIONS.
- Authors
Skalozubov, V. I.; Dorozh, O. A.; Komarov, Yu. O.; Galatsan, M. P.; Mazurenko, A. S.; Bundev, D. S.
- Abstract
An original thermal-hydraulic method for optimizing the thermal resistance of thermal conductivity of fuel rod matrix upgrades has been developed to achieve the maximum burnup depth of nuclear fuel while ensuring safety conditions in operating and emergency modes of nuclear power plants. Based on the developed method, the boundaries of the optimization area for upgrades of the thermal resistance of the fuel rod matrix thermal conductivity are determined in accordance with the accepted optimization criteria and safety conditions. It is established that when optimizing upgrades to the thermal resistance of nuclear fuel, it is necessary to take into account both normal operating conditions and emergency conditions with impaired heat removal from the reactor core. It is established that the optimal values of thermal resistance of nuclear fuel thermal conductivity depend on the design and technical parameters of reactor installations, composition, and condition of nuclear fuel, accident management systems, and other factors.
- Subjects
THERMAL resistance; NUCLEAR power plants; NUCLEAR fuel rods; NUCLEAR fuels; THERMAL conductivity; NUCLEAR reactor cores
- Publication
Nuclear Physics & Atomic Energy, 2024, Vol 25, Issue 1, p43
- ISSN
1818-331X
- Publication type
Article
- DOI
10.15407/jnpae2024.01.043