Method and apparatus for detecting defective fuel elements in a

Details Method and apparatus for detecting defective fuel elements in a Method and apparatus for detecting defective fuel elements in a

1981-10-09

1984-04-17

Cangialosi, Sal

Induced nuclear reactions: processes, systems, and elements

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

Leak detection

G21C 1700

Patent

active

044434022

ABSTRACT:
Method and apparatus for detecting defective fuel elements in a nuclear reactor assembly. The assembly (20) is kept entirely immersed in a liquid such as water, ultrasonic waves are propagated successively in each of the fuel elements of the assembly or rods (21), an ultrasonic sensor (25) is disposed near the assembly (20) and the waves which may be scattered into the protective liquid by the defects in the fuel rod are picked up to determine the presence of a defective assembly and locate the defective rod in the assembly. The invention is particularly applicable to fuel assemblies of a pressurized water nuclear reactor.

REFERENCES:
patent: 3901090 (1975-08-01), Akey et al.
patent: 3936348 (1976-02-01), Wachter et al.
patent: 3945245 (1976-03-01), Stehle et al.
patent: 4016749 (1977-04-01), Wachter
patent: 4126514 (1978-11-01), Wonn
patent: 4193843 (1980-03-01), Womack et al.
patent: 4366711 (1983-01-01), Weilbacher et al.

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