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Communication Dans Un Congrès Année : 2023

Design of TEX-MOX critical experiments varying neutron spectrum

Résumé

In the International Criticality Safety Benchmark Evaluation Project (ICSBEP) only a limited amount of critical experiments representative of MOX fuel with low moderation is present. This paper aims at describing the design of a set of critical experiments with varying neutron spectra that should contribute to nuclear data validation for this kind of configurations. Complementary to the few existing experiments in the ICSBEP, a series of independent experiments can be performed on the PLANET machine at NCERC (National Criticality Experiments Research Center) using the uranium-plutonium fuel plates. Due to the decay heat emitted by the fuel plates, a dedicated thermal-mechanical design of the assembly has been defined to fit all the experimental constraints: weight, limited temperature and temperature gradient within the assembly, minimal effect on neutronics and others. The 5 critical configurations designs are described in this paper.
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hal-04627968 , version 1 (28-06-2024)

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  • HAL Id : hal-04627968 , version 1

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Mariya Brovchenko, Jeremy Bez, Matthieu Daury, Jean-Claude Latché. Design of TEX-MOX critical experiments varying neutron spectrum. ICNC 2023 - The 12th International Conference on Nuclear Criticality Safety, JAEA, Oct 2023, Sendai, Japan. ⟨hal-04627968⟩
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