Induced nuclear reactions: processes – systems – and elements – Fuel component structure – Encased with nonfuel component
Patent
1984-07-10
1989-04-04
Terapane, John F.
Induced nuclear reactions: processes, systems, and elements
Fuel component structure
Encased with nonfuel component
376328, 376339, 376413, 376414, 376428, 376435, G21C 304, G21C 306, G21C 704
Patent
active
048184772
ABSTRACT:
A nuclear fuel assembly comprising a plurality of fuel rods, each fuel rod comprising a cladding tube closed at both ends and filled with cylindrical nuclear fuel pellets such as sintered uranium dioxide or uranium plutonium dioxide. All or nearly all of the cylindrical pellets are coated with a refractory boride coating of sufficient thickness to prevent mechanical interaction between the pellets and the tube. The isotopic composition of the boron in the refractory boride is adjusted for each batch of fuel pellets, rods, or assemblage of rods so that the initial excess reactivity, k, of the batch, when assembled in a reactor core, is nearly zero.
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CRC Handbook of Chemistry and Physics, 1985-86, Edited by Robert C. Weast, Ph.D, pp. B-10, B-234.
Jorgensen Eric
Terapane John F.
Westinghouse Electric Corp.
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