System for detecting the failure of a nuclear fuel rod in a nucl

Details System for detecting the failure of a nuclear fuel rod in a nucl System for detecting the failure of a nuclear fuel rod in a nucl

1977-02-28

1979-01-23

Pendegrass, Verlin R.

176 37, G21C 1700

Patent

active

041359704

ABSTRACT:
A system for detecting the failure of a nuclear fuel rod in a nuclear reactor comprises sampling a coolant in a nuclear reactor, cooling the sampled coolant to permit 135.sub.I in the coolant to be adsorbed on an iodine adsorption device, moving 135m.sub.Xe produced by the 135.sub.I decay into a cover gas at the upper space of a gas-liquid separator, and introducing the 135m.sub.Xe entrained cover gas into a radioactivity detector where the radioactivity of 135m.sub.Xe is counted.

REFERENCES:
patent: 3018159 (1962-01-01), Silverman
patent: 3203866 (1965-08-01), Lehmer et al.
patent: 3227878 (1966-01-01), Wair et al.
patent: 3523868 (1970-08-01), Dady
patent: 3788942 (1974-01-01), Hyun
patent: 3817829 (1974-06-01), Frisch et al.
patent: 4010068 (1977-03-01), Cooper

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