Inventors:
Neil E. Todreas - Waban MA
Michael J. Driscoll - Cambridge MA
Pavel Hejzlar - Arlington MA
Jan R. Tang - Taipei, TW
Assignee:
Massachusetts Institute of Technology - Cambridge MA
International Classification:
G21C 1500
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.