Construction of nuclear reactor core

Details Construction of nuclear reactor core Construction of nuclear reactor core

1977-09-23

1981-01-13

Nelson, Peter A.

176 68, 176 76, 176 78, G21C 1502

Patent

active

042447844

ABSTRACT:
A construction of boiling water reactor core having a plurality of fuel assemblies. Some of fuel assemblies have an infinite multiplication factor which is larger at their upper regions than at their lower portions, so that the effective multiplication factor of the reactor core is larger at the upper portion than at the lower portion of the reactor core under an equal condition. Consequently, a relatively flat axial power distribution is established even under an uneven axial void distribution.

REFERENCES:
patent: 3166481 (1965-01-01), Braun
patent: 3275525 (1966-09-01), Bloomster et al.
patent: 3745069 (1973-07-01), Sofer et al.
patent: 3799839 (1974-03-01), Fisher et al.
patent: 3986924 (1976-10-01), Motoda
patent: 4040902 (1977-08-01), Mysels
Barth, et al., Power Flattening Technique, Nucleonics, May, 1965, pp. 72+73.
McFarlane, Physics of Operating Pressurized Water Reactors, Nuc. Applications & Tech., vol. 9, Nov., 1970, pp. 634-639.

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