Assessment of sensitivity of neutron-physical parameters of fast neutron reactor to purification of reprocessed fuel from minor actinides. Physics of Atomic Nuclei Volume 76, Issue 14, December 2013, Pages 1670-1673

14 сентября 2018
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Контактные данные автора публикации Cherny, V.A.a , Kochetkov, L.A.a, Nevinitsa, A.I.b a Obninsk Institute for Physics and Power Engineering, pl. Bondarenko 1, Obninsk, Kaluga oblast, 249033, Russian Federation b Institute of Nuclear Power Engineering, National Research Nuclear Unive
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Аннотация

The work is devoted to computational investigation of the dependence of basic physical parameters of fast neutron reactors on the degree of purification of plutonium from minor actinides obtained as a result of pyroelectrochemical reprocessing of spent nuclear fuel and used for manufacturing MOX fuel to be reloaded into the reactors mentioned. The investigations have shown that, in order to preserve such important parameters of a BN-800 type reactor as the criticality, the sodium void reactivity effect, the Doppler effect, and the efficiency of safety rods, it is possible to use the reprocessed fuel without separation of minor actinides for refueling (recharging) the core.
Author keywords
fast reactor; minor actinides; refueling of fuel assemblies; reprocessing
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