Double-clad nuclear fuel safety rod

Induced nuclear reactions: processes – systems – and elements – With control of reactor – By altering quantity of characteristic of fuel within...

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Details

376336, 376412, 376416, 376420, G21C 302, G21C 318

Patent

active

044709471

ABSTRACT:
A device for shutting down a nuclear reactor during an undercooling or overpower event, whether or not the reactor's scram system operates properly. This is accomplished by double-clad fuel safety rods positioned at various locations throughout the reactor core, wherein melting of a secondary internal cladding of the rod allows the fuel column therein to shift from the reactor core to place the reactor in a subcritical condition.

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