Fuel assembly for light water reactor and light water reactor co

Details Fuel assembly for light water reactor and light water reactor co Fuel assembly for light water reactor and light water reactor co

1993-05-21

1994-09-20

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Fuel component structure

Plural fuel segments or elements

376447, 376435, G21C 332

Patent

active

053496191

ABSTRACT:
A fuel assembly for a light water reactor comprising a plurality of fuel rods which contain plutonium as a primary fissile material when exposure is zero, and a light water reactor including such fuel assemblies. The fuel assembly has a structure in which at least one of moderator rods is provided at least in one of each corner portion of an arrangement of the fuel rods and a position adjacent to the corner portion in such a manner that the moderator rods are located in rotation symmetry, each of the moderator rods being filled with water or a solid coolant over a length at least corresponding to a fuel effective length, and the fuel rods are provided at positions in the second layer from the outermost periphery which are adjacent to those positions at which the moderator rods are located.

REFERENCES:
patent: 4708845 (1987-11-01), Mildrum et al.
patent: 4926450 (1990-05-01), Masuhara et al.
patent: 4986958 (1991-01-01), Haikawa
patent: 5017332 (1991-05-01), Dix et al.
patent: 5089210 (1992-02-01), Reese et al.

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