Published April 30, 1982 | Version v1
Patent Metadata-only

Process and device for detecting defective fuel elements in a fuel assembly

Creators

Description

Process for detecting defective fuel elements by detection of any anomalies in the propagation of ultrasonic sounds in the fuel rods, whereby: - the assembly maintained completely immersed in a protective liquid such as water, - the propagation of ultrasonic waves is induced in each fuel rod of the assembly in turn, over their length, from one of their ends, - an ultrasonic pick-up is placed near the fuel rods of the assembly, - any ultrasonic waves transmitted by defects in the fuel rods through the protective liquid are picked up

Availability note (English)

Available from Institut National de la Propriete Industrielle, Paris (France).

Abstract (French)

Procede de detection d'elements combustibles defectueux par detection d'anomalies eventuelles dans la propagation d'ultrasons dans les crayons combustibles, caracterise par le fait: - qu'on maintient l'assemblage entierement plonge dans un liquide de protection tel que l'eau, - qu'on provoque la propagation d'ondes ultra-sonores dans chacun des crayons combustibles de l'assemblage successivement, sur toute leur longueur, depuis l'une de leurs extremites, - qu'on dispose un capteur d'ultrasons au voisinage des crayons combustibles de l'assemblage, - qu'on capte les ondes ultra-sonores eventuellement diffusees par les defauts des crayons combustibles dans le liquide de protection

Additional details

Additional titles

Original title (French)
Procede et dispositif de detection d'elements combustibles defectueux dans un assemblage

Publishing Information

Imprint Pagination
14 p.
IPC:
Int. Cl. G21c17/06.
IPC
Int. Cl. G21c17/06.
Patent number
FR patent document 2493025/A/

INIS

Country of Publication
France
Country of Input or Organization
France
INIS RN
14717817
Subject category
S21: SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS;
Resource subtype / Literary indicator
Non-conventional Literature
Descriptors DEI
FAILED ELEMENT DETECTION; ULTRASONIC TESTING
Descriptors DEC
ACOUSTIC TESTING; MATERIALS TESTING; NONDESTRUCTIVE TESTING; TESTING