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Reactivity effects in VVER-1000 of the third unit of the kalinin nuclear power plant at physical start-up. Computations in ShIPR intellectual code system with library of two-group cross sections generated by UNK code

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Abstract

The ShIPR intellectual code system for mathematical simulation of nuclear reactors includes a set of computing modules implementing the preparation of macro cross sections on the basis of the two-group library of neutron-physics cross sections obtained for the SKETCH-N nodal code. This library is created by using the UNK code for 3D diffusion computation of first VVER-1000 fuel loadings. Computation of neutron fields in the ShIPR system is performed using the DP3 code in the two-group diffusion approximation in 3D triangular geometry. The efficiency of all groups of control rods for the first fuel loading of the third unit of the Kalinin Nuclear Power Plant is computed. The temperature, barometric, and density effects of reactivity as well as the reactivity coefficient due to the concentration of boric acid in the reactor were computed additionally. Results of computations are compared with the experiment.

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Authors and Affiliations

  1. Russian Research Center Kurchatov Institute, pl. Kurchatova 1, Moscow, 123182, Russia

    M. N. Zizin

  2. National Nuclear Research University MEPhI, Kashirskoe sh. 31, Moscow, 115409, Russia

    V. G. Zimin

  3. All-Russia Research Institute for Nuclear Power Plants Operation (OAO VNIIAES), Ferganskaya ul. 25, Moscow, 109507, Russia

    S. N. Zizina, L. V. Kryakvin, V. A. Pitilimov & V. A. Tereshonok

Authors
  1. M. N. Zizin
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  2. V. G. Zimin
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  3. S. N. Zizina
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  4. L. V. Kryakvin
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  5. V. A. Pitilimov
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  6. V. A. Tereshonok
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Correspondence to S. N. Zizina.

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Original Russian Text © M.N. Zizin, V.G. Zimin, S.N. Zizina, L.V. Kryakvin, V.A. Pitilimov, V.A. Tereshonok, 2009, published in Voprosy Atomnoi Nauki i Tekhniki. Seriya: Fizika Yadernykh Reaktorov, 2009, No. 3, pp. 1–10.

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Zizin, M.N., Zimin, V.G., Zizina, S.N. et al. Reactivity effects in VVER-1000 of the third unit of the kalinin nuclear power plant at physical start-up. Computations in ShIPR intellectual code system with library of two-group cross sections generated by UNK code. Phys. Atom. Nuclei 73, 2256–2263 (2010). https://doi.org/10.1134/S1063778810140036

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  • DOI: https://doi.org/10.1134/S1063778810140036

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