Method and apparatus for detection of failed fuel rods by use of

Details Method and apparatus for detection of failed fuel rods by use of Method and apparatus for detection of failed fuel rods by use of

1995-11-29

1998-08-04

Gorgos, Kathryn L.

Induced nuclear reactions: processes, systems, and elements

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

Leak detection

376245, 376250, 376251, 73577, 73622, 73624, G21C 1700, G21C 1706, G01N 2914

Patent

active

057906173

ABSTRACT:
A system and method of the present invention measures the relative stress in the cladding of a nuclear fuel rod caused by the internal gas pressure of the rod. This is done by determining the attenuation ratio of two specific frequencies from a broadband low frequency acoustic energy spectrum. Relative pressure differentials are measurable and therefore any loss of fuel rod gas pressure is a direct indication of fuel rod cladding failure.

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