Results 1 to 10 of about 15 (15)
НЕОПРЕДЕЛЕННОСТЬ В РАСЧЕТАХ ИЗ-ЗА «МГНОВЕННЫХ» АВАРИЙНЫХ СИТУАЦИЙ НА ВВЭР-1000
The paper shows the occurrence of pressure waves and their propagation in the equipment of the first circuit of the WWER-1000 reactor plant in emergency situations associated with an instantaneous stop of the Main circulation pump or a two-way flow with ...
S. P. Nikonov, D. A. Amer
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The relevance of this work is determined by the need to predict the operation of sealing joints of transport locks of WWER-1000 and WWER-1200 power units in operational modes. The results of tests of rubber seals for tightness are given.
S. A. Kuzin +3 more
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This paper presents the results of the influence of reactivity on fuel temperature distribution for the neutron-physical characteristics of WWER 1000-1200 cores, which in turn affects the parameters of Xenon oscillation.
R. T. Al Malkawi, L. J. Zadan
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The paper considers and systematises the options of fuel assemblies (FAs) for the WWER-1000 reactor. In the Serpent neutron-physics code, an infinite-height fuel assembly with six fuel pins is modelled using the U49G6 pattern used in the WWER-1000 «large
A. A. Lapkis +3 more
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Investigation of Absorber Concentration Changes During Maneuvering Operation in VVER 1000 Reactor
Boron carbide, Dysprosium, Silver, etc have a lot of unique properties, high neutron absorption, chemical stability, high melting temperature, low density, and low price. These elements are widely using in the VVER power reactors.
R. S. Anisur, M. A. Uvakin
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The compensation for the excess reactivity in the pressurized water reactors WWER is realized with high neutron absorber materials. The traditional excess reactivity regulation methods lead to unfeasible neutron utilization and reduce the breeding ...
A. I. Elazaka +2 more
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The paper considers the efficiency and possibility of implementing into the operational practice of VVER-1000 power units the campaign extension mode at the sliding pressure of the second circuit.
A. S. Grachev +2 more
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Selecting Burnup Algorithms in OpenMC Using the Calculated Benchmark of LEU Assembly and MOX Fuel
OpenMC is a state-of-the-art Monte Carlo neutron transport simulation code that uses the Python programming language as an API. OpenMC supports eight burnout simulation algorithms.
Hamza A Tanash +5 more
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АВТОМАТИЗИРОВАННОЕ УПРАВЛЕНИЕ ПРОЦЕССОМ БОРНОГО РЕГУЛИРОВАНИЯ В ЯДЕРНЫХ РЕАКТОРАХ ТИПА ВВЭР-1000
Рассмотрена актуальная задача создания системы автоматизированного управления процессом борного регулирования в реакторах типа ВВЭР-1000. Результаты решения этой задачи были использованы длядальнейшей разработки компьютерно-интегрированной системы ...
Т. А. Цисельская +1 more
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Требованиями, предъявляемыми при эксплуатации энергоблока в маневренном режиме, являются высокая надежность и безопасность энергоблока, которые зависят от устойчивости реактора при переходе с одного уровня мощности на другой.
М. В. Никольский
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