Method and device for non-destructive examination of a wall of a

Details Method and device for non-destructive examination of a wall of a Method and device for non-destructive examination of a wall of a

1993-01-15

1994-09-06

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Testing, sensing, measuring, or detecting a fission reactor...

Vessel monitoring or inspection

376245, G21C 1700

Patent

active

053454782

ABSTRACT:
The tank contains a liquid in which a radioactive element emitting gamma radiation is distributed substantially uniformly. A photon detector (15) is disposed in the vicinity of the external surface of a measurement, zone of the wall (12), a count is made of the photons emitted by the radioactive element distributed in the liquid (7), through the measurement zone of the wall (12), a number of photons determined by counting is compared with a reference number emitted by the radioactive element through a reference zone of the wall (12) and it is deduced therefrom whether or not a defect (8) is present in the measurement zone of the wall (12). The measurement device comprises a photon detector (15) disposed at one end of a collimator (16) made of heavy metal traversed by channels or windows (17).

REFERENCES:
patent: 3994173 (1976-11-01), Ward et al.
patent: 4051369 (1977-09-01), Takeshita
patent: 4463263 (1984-07-01), Padawer
patent: 4622200 (1986-11-01), Gold et al.
patent: 4680470 (1987-07-01), Heald
patent: 4704245 (1987-11-01), Asakura et al.
patent: 4764338 (1988-08-01), Uchida et al.
patent: 4870669 (1989-09-01), Anghaie et al.
patent: 4947045 (1990-08-01), Birks et al.

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