Fast reactor core

Details Fast reactor core Fast reactor core

1994-09-08

1997-03-11

Behrend, Harvey E.

Induced nuclear reactions: processes, systems, and elements

Nuclear transmutation

By neutron bombardment

376327, 376331, 376351, G21C 700

Patent

active

056109563

ABSTRACT:
A fast reactor core in which a coolant flows comprises a plurality of fuel assemblies each loaded with a fissionable material and a plurality of gas sealed assemblies disposed between the fuel assemblies and sealed with a gas, wherein a surface level of the coolant in the gas sealed assembly changes from an axially upper portion including a core top level to an axially lower portion at a time of core power increase or a core coolant flow quantity decrease. Each of the gas sealed assemblies includes an inner cylindrical member for reducing a horizontal cross sectional area of the flow of the coolant at a portion in height corresponding to an axial central portion of the core and the cylindrical member includes a member for generating heat by radiation.

REFERENCES:
patent: 3409503 (1968-11-01), Swanson
patent: 3510399 (1970-05-01), Terasawa et al.
patent: 3640845 (1972-02-01), Ripley
patent: 3702282 (1972-11-01), Gatley et al.
patent: 4655989 (1987-04-01), Kawashima et al.
patent: 4762672 (1988-08-01), Kurihara et al.

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