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Mechanical spectral shift control for VVER-1000 reactor

, 2022
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VVER-1000 radial reflector modeling by diffusion nodes

Progress in Nuclear Energy, 2006
The two commonly used approaches to describe the VVER radial reflectors in diffusion codes, by core-reflector albedos and by a ring of diffusion assembly size nodes, are discussed. The advantages and disadvantages of the first approach are presented first, then the Koebke's equivalence theory is outlined and its implementation for the VVER radial ...
Petkov, P. T., Mittag, S.
exaly   +3 more sources

Validation of a VVER 1000 Trace Model

Proceedings of the Bulgarian Academy of Sciences, 2022
The presented article discusses developing and validation of a VVER 1000 TRACE V5.0p5 model. Developing such model for a TRACE computer code is important as it increases the capability of the analyses in simulating nuclear power plant behaviour for different accidents including capabilities for simulating 3D thermal hydraulic phenomena in the reactor ...
Groudev, Pavlin, Vryashkova, Petya, Stefanova, Antoaneta, Georgiev, Valentin   +3 more
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Temperature regulation and maneuverability of VVER-1000

Atomic Energy, 2011
The possibility of using coolant temperature changes (temperature regulation) as an additional control on energy release in the core of VVER-1000 reactors is examined. It is shown that it is desirable to use temperature regulation in maneuvering regimes of a power-generating unit of a nuclear power plant.
S. P. Averyanova, A. A. Dubov, K. B. Kosourov, P. E. Filimonov   +3 more
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30th anniversary of VVER-1000 startup

Atomic Energy, 2010
The first power-generating unit with VVER-1000 was brought on line at the Novovoronezh nuclear power plant on May 30, 1980. The history of VVER-1000 development is briefly recounted. The possible goals and paths for further development of light-water vessel reactor construction in nuclear power in Russia are briefly examined.
V. G. Asmolov, Yu. M. Semchenkov, V. A. Sidorenko   +2 more
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Seismic Analysis of VVER-1000 Polar Crane

Volume 5: Operations, Applications, and Components; Seismic Engineering; Non-Destructive Examination, 2021
Abstract This article discuss an analytical dynamic model of a polar crane to assess its seismic strength based on artificially generated accelerograms. The polar crane is installed under the dome of the VVER-1000 NPP containment and serves to move various cargoes in the reactor compartment, including nuclear hazardous cargo.
Yaroslav Dubyk, Vitalii Antonchenko
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