Induced nuclear reactions: processes – systems – and elements – Fuel component structure – Plural fuel segments or elements
Patent
1988-03-21
1990-05-15
Walsh, Donald P.
Induced nuclear reactions: processes, systems, and elements
Fuel component structure
Plural fuel segments or elements
376447, G21C 332
Patent
active
049264508
ABSTRACT:
A fuel assembly including a plurality of fuel rods and water rods. The fuel rods are arranged with a predetermined pitch and two water rods are disposed adjacent to each other in a diagonal direction of the fuel assembly. More particularly, the fuel rods are arranged in a lattice of nine rows by nine columns and the two water rods are disposed inside a region corresponding to a space sufficient for disposing seven fuel rods at the center of the fuel assembly. Each of the water rods has an outer diameter greater than the pitch of the fuel rods.
REFERENCES:
patent: 4597937 (1986-07-01), Sakurai
patent: 4652426 (1987-03-01), Boyle
patent: 4686079 (1987-08-01), Ishikawa
patent: 4777016 (1988-10-01), Yoshioka
patent: 4789520 (1988-12-01), Morimoto
Aoyama Motoo
Hirakawa Hiromasa
Inoue Kotaro
Masuhara Yasuhiro
Uchikawa Sadao
Hitachi , Ltd.
Walsh Donald P.
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