Induced nuclear reactions: processes – systems – and elements – Control component for a fission reactor – Wherein concentration of the reactivity affecting material...
Patent
1986-03-03
1987-07-07
Behrend, Harvey E.
Induced nuclear reactions: processes, systems, and elements
Control component for a fission reactor
Wherein concentration of the reactivity affecting material...
G21C 710
Patent
active
046786287
ABSTRACT:
A control arrangement which provides enthalpy rise compensation upon reduction of core power includes control rodlets arranged in a cluster. Each control rod cluster has a higher axial worth at an upper portion than at a lower portion thereof. Several different embodiments of control rod clusters are provided. In one embodiment, the worth of the control rod cluster varies in accordance with different lengths of the absorber material contained within its rodlets. In another embodiment, the worth of the control rod cluster varies in accordance with different variations in densities of the absorber material within its rodlets. In a third embodiment, the worth of the control rod cluster varies in accordance with different kinds of the absorber material within the rodlets. In a final embodiment, the worth of the control rod cluster varies in accordance with different variations in diameters of the absorber material within its rodlets.
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patent: 4172762 (1979-10-01), Anthony et al.
patent: 4285769 (1981-08-01), Specker et al.
patent: 4326919 (1982-04-01), Hill
Behrend Harvey E.
Westinghouse Electric Corp.
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