Passive pressure tube light water cooled and moderated reactor

Induced nuclear reactions: processes – systems – and elements – Reactor structures – Circulating fluid within reactor

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376371, G21C 1500

Patent

active

054426685

ABSTRACT:
A nuclear reactor has a containment vessel and a voided calandria space having a plurality of fuel channels therein. A chamber surrounding the calandria space is receptive of a light water moderator and a solid reflector in the chamber surrounds the calandria space. Each fuel channel has a solid fuel matrix having a plurality of coolant holes extending longitudinally therethrough and receptive of light water coolant, a pressure tube surrounding the fuel matrix and a calandria tube surrounding the pressure tube and forming a gap therebetween.

REFERENCES:
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patent: 3854524 (1974-12-01), Gregorie et al.
patent: 4046627 (1977-09-01), Middleton
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patent: 4911880 (1990-03-01), Kasai et al.
patent: 4998509 (1991-03-01), Gou et al.
patent: 5171521 (1992-12-01), Moyer

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