Reasons for unsealing and post-reactor state of unsealed VVÉR and RBMK fuel elements

The reasons for unsealing of VVER and RBMK fuel elements are discussed on the basis of the results of post-reactor investigations. The fuel elements in both types of reactors become unsealed because of their interaction with foreign objects present in the coolant flow. The mechanisms of the degradat...

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Bibliographic Details
Published in:Atomic energy (New York, N.Y.) N.Y.), 2005-11, Vol.99 (5), p.810-814
Main Authors: MARKOV, D. V, PEREPELKIN, S. O, POLENOK, V. S, SMIRNOV, V. P, SMIRNOV, A. V, SUKHIKH, A. V, NEUGODNIKOV, D. S
Format: Article
Language:English
Subjects:
Applied sciences
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Fission nuclear power plants
Fuels
Installations for energy generation and conversion: thermal and electrical energy
Nuclear fuels
Nuclear reactors
Preparation and processing of nuclear fuels
Reactors
Studies
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Summary:The reasons for unsealing of VVER and RBMK fuel elements are discussed on the basis of the results of post-reactor investigations. The fuel elements in both types of reactors become unsealed because of their interaction with foreign objects present in the coolant flow. The mechanisms of the degradation of some properties of the unsealed fuel elements during further operation are determined.[PUBLICATION ABSTRACT]
ISSN:1063-4258
1573-8205
DOI:10.1007/s10512-006-0021-8