FIELD: fuel assemblies for nuclear reactors. SUBSTANCE: erbium oxide content of fuel having in its composition uranium dioxide and erbium oxide additive is proposed to be not over 0.46 mass percent at mixture density between 10.4 and 10.7 g/cu. cm so as to reduce nonuniformity of spatial energy distribution of neutrons while maintaining desired properties of fuel. EFFECT: improved fuel burn-up. 4 cl
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Authors
Dates
1999-11-27—Published
1998-02-18—Filed