Method and apparatus for inspection of nuclear fuel rods

Details Method and apparatus for inspection of nuclear fuel rods Method and apparatus for inspection of nuclear fuel rods

1974-06-24

1977-08-02

Engle, Samuel W.

73552, 73 40, G21C 1706

Patent

active

040393763

ABSTRACT:
A method and apparatus are provided for the inspection of nuclear fuel rods to detect defects or failures in such rods. Assemblies of fuel rods are immersed in water and means are provided for causing a change in the relative pressures in the water and within the fuel rod such that fluid is expelled from the rod through any defects that may exist. Means are also provided for thereafter vibrating the rods to cause additional internal fluid or other material that may be trapped in the rod to be expelled. Sensors are provided for detecting the emission of bubbles of fluid or other material from the rod and for locating the position of the defective rod in the assembly.

REFERENCES:
patent: 2180051 (1939-11-01), Hickman
patent: 3073767 (1963-01-01), Whitman et al.
patent: 3284991 (1966-11-01), Ploeger et al.
patent: 3419467 (1968-12-01), Holzer et al.
patent: 3529465 (1970-09-01), Kleesattel et al.
patent: 3878040 (1975-04-01), Martucci
patent: 3936348 (1976-02-01), Wachter et al.

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