Induced nuclear reactions: processes – systems – and elements – Testing – sensing – measuring – or detecting a fission reactor... – Vessel monitoring or inspection
Patent
1991-08-19
1992-09-08
Hunt, Brooks H.
Induced nuclear reactions: processes, systems, and elements
Testing, sensing, measuring, or detecting a fission reactor...
Vessel monitoring or inspection
376245, 376252, 73623, G21C 17003
Patent
active
051456370
ABSTRACT:
An automated system for examining incore housing welds in a nuclear reactor from above is disclosed. The probe uses both ultrasonic and eddy current non-destructive inspection coils to examine the weld for indications, or flaws. It is inserted into the incore housing tube from above because of the high radiation exposure workers experienced using the prior method of inserting a probe into the incore housing from below. This is conveniently done when the incore flux monitors are removed during standard maintenance, and is performed from the refueling bridge.
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Berg David C.
Clark Jack P.
Kowdley Balasubramanian S.
Matsumoto Jack T.
Richardson David L.
Carroll Chrisman D.
General Electric Company
Hunt Brooks H.
Schroeder Robert R.
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