Nuclear Physics and Atomic Energy

Nuclear Physics and Atomic Energy

  ISSN: 1818-331X (Print), 2074-0565 (Online)
  Publisher: Institute for Nuclear Research of the National Academy of Sciences of Ukraine
  Languages: Ukrainian, English, Russian
  Periodicity: 4 times per year

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Nucl. Phys. At. Energy 2017, volume 18, issue 4, pages 331-340.
Section: Atomic Energy.
Received: 15.09.2017; Accepted: 28.12.2017; Published online: 20.02.2018.
PDF Full text (ua)

Simulation of fuel distribution in the inner fast zone for two-zone subcritical reactor

V. I. Gulik*

Institute for Safety Problems of NPP, National Academy of Sciences of Ukraine, Kyiv, Ukraine

*Corresponding author. E-mail address:

Abstract: Investigations aimed for the optimization of fuel compositions for two-zone subcritical reactor are considered. The study of inner fast zone for two-zone subcritical reactor with homogeneous fuel concerning the geometrical, material and economical characteristics was carried out within the scope of this paper. The possibility of dividing of the inner zone into subzones with different fuel for two-zone subcritical systems was shown. It is possible to find the optimal ratio for volume of outer subzone to volume of inner subzone depending on the purpose of using such a subcritical systems.

Keywords: subcritical systems, Monte Carlo method, reactor calculation, Monte Carlo code Serpent, optimization.


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