Reactivity controlled fuel assembly

Details Reactivity controlled fuel assembly Reactivity controlled fuel assembly

1992-08-26

1993-07-13

Wasil, Daniel D.

Induced nuclear reactions: processes, systems, and elements

Control component for a fission reactor

Liquid control component

376446, 376447, G21C 722

Patent

active

052271285

ABSTRACT:
A reactor core removable fuel assembly includes upper and lower tie plates having pluralities of fuel rods and hollow control rods extending therebetween. The lower tie plate includes a lower manifold therein joined in flow communication with a reservoir containing a neutron absorbing control liquid, with the reservoir being removable from the reactor core together with the fuel assembly. The control liquid is selectively pumped from the reservoir through the lower manifold and into the control rods for selectively varying the level of the control liquid therein for controlling reactivity.

REFERENCES:
patent: 2990358 (1961-06-01), Manley
patent: 3261755 (1966-07-01), Mostert
patent: 3510399 (1970-05-01), Terasawa et al.
patent: 3629068 (1971-12-01), Lantz et al.
patent: 4664878 (1987-05-01), Wilson et al.
patent: 5139735 (1992-08-01), Dillmann
General Electric Co., "BWR/6 General Description of a Boiling Water Reactor," Sep. 1980, pp: i, ii, 1--1 to 1-6, and 3-1 to 3-8.

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