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

  Open access peer reviewed journal


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Nucl. Phys. At. Energy 2018, volume 19, issue 2, pages 121-130.
Section: Atomic Energy.
Received: 21.03.2018; Accepted: 18.06.2018; Published online: 02.08.2018.
PDF Full text (ru)
https://doi.org/10.15407/jnpae2018.02.121

Constant support of physical calculations subsystem of in-core monitoring system Voyage

V. V. Galchenko1,2,*, A. A. Mishin2, I. I. Shlapak1

1 Private Joint Stock Company Severodonetsk Research and Production Association Impulse, Severodonetsk, Ukraine
2 Limited Liability Company Nuclear Power Plant Operational Support Institute, Kyiv, Ukraine


*Corresponding author. E-mail address: v.galchenko@npp-osi.kiev.ua

Abstract: In this study a brief description of the polynomial interpolation of few-group constants on sparse grids for VVER-1000 reactor is adduced. The calculations about various burnup instances were made for the method. Besides, comparative analysis of the irregularity factor of kv kq calculation was made with the help of the preparation of constants by using this method while arranging by different software products.

Keywords: in-core monitoring system, HELIOS, VVER-1000, cross-section, power distribution, computer codes.

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