Published August 3, 1990 | Version v1
Patent Metadata-only

Process and device for ultrasonic detection of leaking fuel pencils in a fuel assembly

Creators

Description

The fuel assembly is dipped vertically into a swimming pool. Pencils from the assembly presenting cracks are detected by ultrasonic wave emission along pencil length and by measurement of ultrasonic wave attenuation produced by water inside pencils with cracked cladding

Availability note (English)

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

Abstract (French)

L'assemblage est plonge dans l'eau d'une piscine et place en position verticale. Une detection des crayons de l'assemblage presentant des fissures generatrices de fuite est assuree par emission d'ondes ultrasonores suivant la longueur de chacun des crayons et par mesure d'attenuation des ondes ultrasonores due a la presence d'eau a l'interieur des crayons dont la gaine est fissuree

Additional details

Additional titles

Original title (French)
Procede et dispositif de detection par ultrasons de crayons combustibles non etanches dans un assemblage combustible

Publishing Information

Imprint Pagination
20 p.
IPC:
Int. Cl. G21c17/07.
IPC
Int. Cl. G21c17/07.
Patent number
FR patent document 2642560/A/

INIS

Country of Publication
France
Country of Input or Organization
France
INIS RN
22029263
Subject category
S42: ENGINEERING;
Resource subtype / Literary indicator
Non-conventional Literature
Descriptors DEI
CRACKS; FAILED ELEMENT DETECTION; FUEL CANS; FUEL PINS; ULTRASONIC TESTING
Descriptors DEC
ACOUSTIC TESTING; DETECTION; FUEL ELEMENTS; MATERIALS TESTING; NONDESTRUCTIVE TESTING; REACTOR COMPONENTS; TESTING

Optional Information

Secondary number(s)
FR patent application 8901132.