Method for internal inspection of a pressurized water nuclear re

Details Method for internal inspection of a pressurized water nuclear re Method for internal inspection of a pressurized water nuclear re

1986-04-10

1988-03-01

Gangialosi, Salvatore

Induced nuclear reactions: processes, systems, and elements

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

Vessel monitoring or inspection

376245, G21C 1700

Patent

active

047284820

ABSTRACT:
An inservice inspection of a surface area or welds of a nuclear reactor pressure vessel is carried out, without the need to remove the core barrel and lower internals therefrom, by providing access to the annular chamber between the core barrel and the pressure vessel wall through an aperture in the upper flange of the core barrel. An inspection means, such as an ultrasonic testing device is inserted into the annular chamber through the access and positioned proximate the weld to be inspected and inspection of the weld effected by the device.

REFERENCES:
patent: 4368644 (1983-01-01), Wentzell et al.
patent: 4421715 (1983-12-01), Gunter et al.
patent: 4425298 (1984-01-01), Shields
patent: 4429329 (1984-01-01), Clemens et al.
patent: 4436692 (1984-03-01), Stenabaugh
patent: 4515747 (1985-05-01), Greek et al.

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