Induced nuclear reactions: processes – systems – and elements – Reactor structures – Circulating fluid within reactor
Patent
1987-02-26
1988-11-08
Kyle, Deborah L.
Induced nuclear reactions: processes, systems, and elements
Reactor structures
Circulating fluid within reactor
376409, 376428, 376457, G21C 306, G21C 330
Patent
active
047833084
ABSTRACT:
An improved nuclear fuel rod includes a plurality of cylindrical nuclear fuel pellets being disposed end-to-end in a stack, and an elongated cylindrical cladding tube providing a hermetically sealed chamber. The cladding tube includes a cylindrical wall having inner and outer spaced surfaces and a thickness "x". The stack of fuel pellets are contained in the chamber and spaced radially inwardly from the wall. The thickness "x" of the cladding tube wall between the inner and outer surfaces is the thickness required to generate sufficient heat internally of the wall between its inner and outer surfaces to satisfy the following relationship of a predetermined total fuel rod radiation intensity output, I, to a predetermined fuel rod radiation intensity generated by the fuel pellets contained in the fuel rod, I.sub.0 :I=I.sub.0 e.sup.-ux, where "u" is the attenuation coefficient which varies with cladding material and radiation type.
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patent: 3325375 (1967-06-01), Mogard
patent: 3376201 (1968-04-01), Bain
patent: 4678631 (1987-07-01), Taleyarkhan
"Reactor Handbook", McLain et al., 1964, pp. 363-364.
"Nuclear Reactor Engineering", Glasstone et al., 1981, pp. 348-361, 452-453.
"Gas Cooled Fast Breeder Reactor Designs with Advanced Fuel and Cladding", Nuclear Engr. and Design, Fazzolare, 1/77, pp. 191-201.
Kyle Deborah L.
Wasil Daniel
Westinghouse Electric Corp.
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