MOX fuel arrangement for nuclear core

Details MOX fuel arrangement for nuclear core MOX fuel arrangement for nuclear core

1996-11-15

1998-10-13

Wasil, Daniel D.

Induced nuclear reactions: processes, systems, and elements

Fuel component structure

Plural fuel segments or elements

376170, 376267, 376419, 376447, G21C 3328

Patent

active

058223886

ABSTRACT:
In order to use up a stockpile of weapons-grade plutonium, the plutonium is converted into a mixed oxide (MOX) fuel form wherein it can be disposed in a plurality of different fuel assembly types. Depending on the equilibrium cycle that is required, a predetermined number of one or more of the fuel assembly types are selected and arranged in the core of the reactor in accordance with a selected loading schedule. Each of the fuel assemblies is designed to produce different combustion characteristics whereby the appropriate selection and disposition in the core enables the resulting equilibrium cycle to closely resemble that which is produced using urania fuel. The arrangement of the MOX rods and burnable absorber rods within each of the fuel assemblies, in combination with a selective control of the amount of plutonium which is contained in each of the MOX rods, is used to tailor the combustion characteristics of the assembly.

REFERENCES:
patent: 5089210 (1992-02-01), Reese et al.
patent: 5377247 (1994-12-01), Yoshioka et al.
patent: 5410580 (1995-04-01), Seino
patent: 5416813 (1995-05-01), Hiraiwa et al.
patent: 5440598 (1995-08-01), Reese et al.

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