Results from studies of surface deposits on the claddings of fuel rods used in RBMK-1000 reactors

The results of studies on analyzing the element composition of deposits on the cladding surfaces of fuel rods used in a fuel assembly at the Leningrad nuclear power station are presented. The distribution of elements in deposits over the fuel rod height is analyzed, and the zones of their concentrat...

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Bibliographic Details
Published in:Thermal engineering 2010, Vol.57 (7), p.560-565
Main Authors: Smirnova, I. M., Markov, D. V.
Format: Article
Language:English
Subjects:
Engineering
Engineering Thermodynamics
Heat and Mass Transfer
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Summary:The results of studies on analyzing the element composition of deposits on the cladding surfaces of fuel rods used in a fuel assembly at the Leningrad nuclear power station are presented. The distribution of elements in deposits over the fuel rod height is analyzed, and the zones of their concentration are revealed. It is shown that deposits of copper penetrating into cracks in the surface layer of zirconium oxide introduce an essential contribution in the development of nodular corrosion of fuel rod claddings.
ISSN:0040-6015
1555-6301
DOI:10.1134/S0040601510070049