Zobrazeno 1 - 10
of 81
pro vyhledávání: '"ввэр-1000"'
Publikováno v:
Глобальная ядерная безопасность, Vol 0, Iss 4, Pp 51-59 (2023)
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 «
Externí odkaz:
https://doaj.org/article/ee0ad94b84bb4623a9a77a8572c63a9d
Publikováno v:
Глобальная ядерная безопасность, Vol 0, Iss 2, Pp 66-78 (2023)
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. The history of research of Russian nuclear scientists
Externí odkaz:
https://doaj.org/article/63883c1fb309475db97fcf40a529aad2
Autor:
Hamza A Tanash, Denis A Solovyov, Vyacheslav G Zimin, Alexey L Lobarev, Denis A Plotnikov, Nikolay V Schukin
Publikováno v:
Глобальная ядерная безопасность, Vol 0, Iss 1, Pp 79-91 (2023)
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. This study presents the results of choosing an integration method for
Externí odkaz:
https://doaj.org/article/efdb8dfdc929436a8e8144834dc36fc8
Autor:
R. T. Al Malkawi, L. J. Zadan
Publikováno v:
Глобальная ядерная безопасность, Vol 45, Iss 4, Pp 69-78 (2022)
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. The improved method for calcu
Externí odkaz:
https://doaj.org/article/d7226e80ecd740bbac83ce0360a9eede
Publikováno v:
Глобальная ядерная безопасность, Vol 45, Iss 4, Pp 61-68 (2022)
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. Based on the
Externí odkaz:
https://doaj.org/article/e497e0f1ab414fc7b89e81359f1db379
Autor:
S. P. Nikonov, D. A. Amer
Publikováno v:
Глобальная ядерная безопасность, Vol 0, Iss 1, Pp 62-72 (2022)
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 w
Externí odkaz:
https://doaj.org/article/df03659eaea548ecbdcf7309281af594
Autor:
R. S. Anisur, M. A. Uvakin
Publikováno v:
Глобальная ядерная безопасность, Vol 0, Iss 2, Pp 83-91 (2022)
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. In this article was
Externí odkaz:
https://doaj.org/article/19a047d4c40847d0aff109da52200ee6
Publikováno v:
Глобальная ядерная безопасность, Vol 0, Iss 2, Pp 58-67 (2022)
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 co
Externí odkaz:
https://doaj.org/article/7e8b89fd625b4d2ba8ae16dfc017aaec
В результате данной работы получается: математическая модель объекта управления; математическая модель исполнительного механизма и ал
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::517167dfcdd7869317f56ddde11e67fe
