G - Physics – 01 – T
Patent
G - Physics
01
T
358/30
G01T 1/167 (2006.01) G01T 1/169 (2006.01) G01V 5/00 (2006.01) G21C 17/00 (2006.01)
Patent
CA 2027884
ABSTRACT OF THE DISCLOSURE The invention makes it possible to measure the degree of radioactive radiation emitted by large pieces. It includes two large gamma ray detectors (12A, 12B) placed opposite each other and whose spacing is adjustable. They are each completed by a photoelectron multiplier (14A, 14B). The piece (2) to be measured is suspended so as to brought between the two detectors (12A, 12B). The positioning of these detectors is obtained with the aid of a computer and a system (22) for recognizing the shape of the piece (2) functioning with the aid of optical clip-on lens attachments. The fact that the two detectors are position-adjustable makes it possible to take account of the shape of the piece to be measured. Application for the recovery of materials originating from nuclear installations with the view to re-using said materials. Figure 4. B 10152.3 JB
Costes Jean-Raymond
Dacosta Vieira David
Imbard Gerald
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