Lifetime evaluation of Bohunice VI NPP primary loop components

Safety and reliability measures are based on fatigue damage accumulation analyses using the actual load history such that life-time estimates could be made for the critical components. This required a knowledge of the corresponding stresses and deformations. Finite element computations have been mad...

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Bibliographic Details
Published in:Theoretical and applied fracture mechanics 1995, Vol.23 (2), p.125-128
Main Authors: Činčura, I., Hermansky, P., Hrazsky, M., Mikus, M.
Format: Article
Language:English
Subjects:
Applied sciences
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Fission nuclear power plants
Installations for energy generation and conversion: thermal and electrical energy
Nuclear power plants
Q1
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Summary:Safety and reliability measures are based on fatigue damage accumulation analyses using the actual load history such that life-time estimates could be made for the critical components. This required a knowledge of the corresponding stresses and deformations. Finite element computations have been made for analyzing the operational conditions of the primary loop components including pipings of WWER (moderately cooled water reactor) V-230 reactor in 440 Nuclear Power Plant (NPP). The results showed that damage due to fatigue in all of the components at the critical locations is low and is not of a concern up to now. This is the basis of support for operating the Bohunice VI NPP primary piping components where the program makes up of the LBB (leak-before-bread) concept.
ISSN:0167-8442
1872-7638
DOI:10.1016/0167-8442(95)00012-4