Nuclear fuel assembly with holding structure and hold down devic

Details Nuclear fuel assembly with holding structure and hold down devic Nuclear fuel assembly with holding structure and hold down devic

1986-08-11

1989-05-09

Kyle, Deborah L.

Induced nuclear reactions: processes, systems, and elements

Reactor structures

Circulating fluid within reactor

376445, G21C 332

Patent

active

048287920

ABSTRACT:
A nuclear fuel assembly comprises a bundle of elongated fuel rods distributed at nodes of a regular lattice and a structure for retaining said fuel rods. The structure has a lower end piece, and upper end pieces, tie rods connecting said end pieces and grids distributed along the tie rods for maintaining the fuel rods at the nodes. The structure consists of two substructures slidable with respect to each other in the direction of the fuel rods. Springs located between the two substructures spread apart the two end pieces for respective abutment against a lower core plate and an upper core plate.

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