Fuel rod leak detector

Details Fuel rod leak detector Fuel rod leak detector

1975-03-10

1978-08-29

Dixon, Harold A.

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

250336, G01T 120

Patent

active

041106202

ABSTRACT:
A typical embodiment of the invention detects leaking fuel rods by means of a radiation detector that measures the concentration of xenon-133 (Xe.sup.133) within each individual rod. A collimated detector that provides signals related to the energy of incident radiation is aligned with one of the ends of a fuel rod. A statistically significant sample of the gamma radiation (.gamma.-rays) that characterize Xe.sup.133 is accumulated through the detector. The data so accumulated indicates the presence of a concentration of Xe.sup.133 appropriate to a sound fuel rod, or a significantly different concentration that reflects a leaking fuel rod.

REFERENCES:
patent: 3178355 (1965-04-01), Jacobs
patent: 3663363 (1972-05-01), Crouthamel et al.
patent: 3823068 (1974-07-01), Worlton et al.
patent: 3878040 (1975-04-01), Martucci

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