Induced nuclear reactions: processes – systems – and elements – Control component for a fission reactor – Wherein concentration of the reactivity affecting material...
Patent
1991-11-21
1993-07-06
Walsh, Donald P.
Induced nuclear reactions: processes, systems, and elements
Control component for a fission reactor
Wherein concentration of the reactivity affecting material...
376327, G21C 700
Patent
active
052251519
ABSTRACT:
In a control rod for nuclear reactors with elongated channels for boron carbide or other neutron-absorbing material which swells upon neutron irradiation, the neutron-absorbing material (20a), in at least some of the channels (18b), is provided with projecting portions (20a') or arranged in a casing with portions projecting towards the channel walls. Further, the projecting portions are adapted to form between them and the channel walls unfilled spaces (40) for taking up swelling neutron-absorbing material.
REFERENCES:
patent: 4252613 (1981-02-01), Jabsen
patent: 4631165 (1986-12-01), Wilson et al.
patent: 4752440 (1988-06-01), Ahlinder et al.
patent: 4826630 (1989-05-01), Radford et al.
patent: 4888150 (1989-12-01), Vesterlund
Bernander Orjan
Eriksson Sven
Hallstadius Lars
Sundstrom Ulf
ABB Atom AB
Chelliah Meena
Walsh Donald P.
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