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The energy release and temperature field in the ultracold neutron source of the WWR-M reactor at the Petersburg Nuclear Physics Institute

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Abstract

Results of calculations of energy releases and temperature fields in the ultracold neutron source under design at the WWR-M reactor are presented. It is shown that, with the reactor power of 18 MW, the power of energy release in the 40-L volume of the source with superfluid helium will amount to 28.5 W, while 356 W will be released in a liquid-deuterium premoderator. The lead shield between the reactor core and the source reduces the radiative heat release by an order of magnitude. A thermal power of 22 kW is released in it, which is removed by passage of water. The distribution of temperatures in all components of the vacuum structure is presented, and the temperature does not exceed 100°C at full reactor power. The calculations performed make it possible to go to design of the source.

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Authors and Affiliations

  1. Petersburg Nuclear Physics Institute, National Research Center Kurchatov Institute, Gatchina, Leningradskaya oblast, 188300, Russia

    A. P. Serebrov, B. V. Kislitsin, M. S. Onegin, V. A. Lyamkin, D. V. Prudnikov, V. A. Ilatovskiy, S. P. Orlov, G. A. Kirsanov, A. K. Fomin & D. V. Filchenkova

Authors
  1. A. P. Serebrov
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  2. B. V. Kislitsin
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  3. M. S. Onegin
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  4. V. A. Lyamkin
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  5. D. V. Prudnikov
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  6. V. A. Ilatovskiy
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  7. S. P. Orlov
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  8. G. A. Kirsanov
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  9. A. K. Fomin
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  10. D. V. Filchenkova
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Correspondence to A. P. Serebrov.

Additional information

Original Russian Text © A.P. Serebrov, B.V. Kislitsin, M.S. Onegin, V.A. Lyamkin, D.V. Prudnikov, V.A. Ilatovskiy, S.P. Orlov, G.A. Kirsanov, A.K. Fomin, D.V. Filchenkova, 2015, published in Yadernaya Fizika i Inzhiniring, 2015, Vol. 6, Nos. 5–6, pp. 297–303.

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Serebrov, A.P., Kislitsin, B.V., Onegin, M.S. et al. The energy release and temperature field in the ultracold neutron source of the WWR-M reactor at the Petersburg Nuclear Physics Institute. Phys. Atom. Nuclei 79, 1391–1396 (2016). https://doi.org/10.1134/S1063778816090118

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  • DOI: https://doi.org/10.1134/S1063778816090118

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