Nuclear fuel assembly

Details Nuclear fuel assembly Nuclear fuel assembly

1986-10-01

1988-06-07

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Fuel component structure

Plural fuel segments or elements

376900, G21C 332

Patent

active

047495472

ABSTRACT:
A nuclear fuel assembly containing a plurality of vertical fuel rods and possibly occasional vertical water-filled rods, which are surrounded by a fuel channel of substantially square cross-section and which are divided, by means of a vertical channel for water of substantially cruciform cross-section, into four sub-bundles. Each fuel rod contains a stack of circular-cylindrical pellets of a nuclear fuel arranged in a cladding tube. Each sub-bundle consists of, in all, twenty-five rods arranged in a lattice containing 5.times.5 rods. The cladding tube of each fuel rod has a wall thickness in the range 0.50 to 0.70 mm and an external diameter in the range 8.5 to 10.3 mm.

REFERENCES:
patent: 4478786 (1984-10-01), Andersson et al.
patent: 4567017 (1986-01-01), Vaidyanathan
patent: 4573629 (1986-03-01), Imahashi
patent: 4588550 (1986-05-01), Blomstrand et al.
patent: 4613479 (1986-09-01), Foster

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