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Verifying a Two-Dimensional Model Simulating Attenuation of Neutron and Photon Radiation from Nuclear Reactors Having Metal Hydride Composite Protection

  • MATERIALS FOR POWER INDUSTRY AND RADIATION RESISTANT MATERIALS
  • Published:
Inorganic Materials: Applied Research Aims and scope

Abstract

The results of experimental studies on attenuating neutron and photon radiation in a nuclear reactor using a protective metal hydride composite are presented. The distribution profile of the dose and spatial energy is obtained for primary and secondary gamma radiation. It is shown that the dose of gamma radiation behind the protection is associated with capturing gamma rays generated in the initial layer of the material. Based on the results obtained, the calculation model of the experiment is verified in the two-dimensional geometry for the properties of the material protecting the reactor. The verification involves the discrete ordinate method based on the DORT package. Deviations between the calculated and experimental values of the fast neutron relaxation lengths do not exceed 5%. The same deviations obtained for gamma radiation are under 7%, which confirms the validity of the calculation technique and the potential to apply the data obtained to proceed with designing radiation protection based on the metal hydride composite.

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Funding

This study was supported by the Russian Science Foundation, grant no. 19-19-00316 (extended), https:// www.rscf.ru/prjcard_int?19-19-00316 using equipment installed in the Center for High Technologies, Shukhov Belgorod State Technological University.

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Authors and Affiliations

  1. Shoukhov Belgorod State Technological University, Belgorod, Russia

    R. N. Yastrebinsky, V. I. Pavlenko, A. V. Yastrebinskaya & A. I. Gorodov

  2. National Research University Higher School of Economics, Tikhonov Moscow Institute of Electronics and Mathematics, Moscow, Russia

    G. G. Bondarenko

Authors
  1. R. N. Yastrebinsky
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  2. G. G. Bondarenko
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  3. V. I. Pavlenko
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  4. A. V. Yastrebinskaya
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  5. A. I. Gorodov
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Corresponding authors

Correspondence to R. N. Yastrebinsky, G. G. Bondarenko, V. I. Pavlenko or A. V. Yastrebinskaya.

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Translated by V. Vetrov

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Yastrebinsky, R.N., Bondarenko, G.G., Pavlenko, V.I. et al. Verifying a Two-Dimensional Model Simulating Attenuation of Neutron and Photon Radiation from Nuclear Reactors Having Metal Hydride Composite Protection. Inorg. Mater. Appl. Res. 15, 319–327 (2024). https://doi.org/10.1134/S2075113324020461

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  • DOI: https://doi.org/10.1134/S2075113324020461

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