Fuel Channel Inspection Equipment for RBMK Reactors

This paper describes fuel channel inspection equipment for RBMK reactors. Specially designed equipment for inspecting RBMK reactor fuel channels has been manufactured by a Japanese joint company group and supplied to the Leningrad Nuclear Power Plant. Three different heads of the equipment were used...

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Bibliographic Details
Published in:Journal of nuclear science and technology 2001-08, Vol.38 (8), p.674-681
Main Authors: MOCHIZUKI, Hiroyasu, SATOH, Sadao, KOIZUMI, Tadayoshi, SUEYOSHI, Mitsuo, NARUO, Kazuteru
Format: Article
Language:English
Subjects:
Applied sciences
curvature
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Fission nuclear power plants
flaw detection
fuel channel inspection
inside diameter
Installations for energy generation and conversion: thermal and electrical energy
oxidized layer thickness
RBMK type reactors
telescopic engagement
wall thickness
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Summary:This paper describes fuel channel inspection equipment for RBMK reactors. Specially designed equipment for inspecting RBMK reactor fuel channels has been manufactured by a Japanese joint company group and supplied to the Leningrad Nuclear Power Plant. Three different heads of the equipment were used to detect flaws in the fuel channel especially in the diffusion weld between Zr and stainless steel, measure wall thickness, inside diameter, curvature, oxidized layer thickness and the length of the telescopic engagement of fuel channels, and the inside diameter of graphite blocks. The capabilities of these inspection functions were confirmed using a spent fuel channel at the Leningrad Nuclear Power Plant as one part of an acceptance test. The test results are introduced in this paper.
ISSN:0022-3131
1881-1248
DOI:10.1080/18811248.2001.9715082