Fuel assembly with a grid structure between the rods

Details Fuel assembly with a grid structure between the rods Fuel assembly with a grid structure between the rods

1993-12-03

1995-03-28

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Fuel component structure

Plural fuel segments or elements

376439, G21C 334

Patent

active

054024579

ABSTRACT:
In a fuel assembly, rods are disposed in meshes of a grid. Crossing points of the grid are distributed in a checker-board-like manner, partly in an upstream crossing plane and partly in a downstream crossing plane. Webs of the grid run in zigzag form between the two planes. As a result, flow resistance which is produced by the webs and/or by mixing vanes disposed thereon and by flow turbulences is shifted into different axial planes and is considerably reduced.

REFERENCES:
patent: 3928131 (1975-12-01), Wachter et al.
patent: 4827063 (1989-05-01), Bokers et al.
patent: 4970048 (1990-11-01), Noailly

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