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Computational analysis of a neutron trap in the center of the WWR-K reactor core for irradiation tests of large-sized objects

https://doi.org/10.32523/ejpfm.2022060104

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Abstract

Nowadays, the WWR-K research reactor is operated with low-enriched uranium fuel and a beryllium neutron reflector. Irradiation positions located in the core make it possible to irradiate objects no larger than 50 mm in size. In the reactor tank, behind the beryllium reflector, there are irradiation positions with a diameter of 200 mm, but in them, in comparison with irradiation positions in the core, the neutron intensity is lower. This motivated us to carry out computational studies on the generation of a large diameter neutron trap in the center of the WWR-K reactor core. The paper presents the results of neutron-physical calculations on the generation of a neutron trap in the center of the WWR-K reactor core. The generation of a large diameter neutron trap in the core of the WWR-K reactor will make it possible to carry out radiation tests of large objects. For this, it is necessary to change the layout of the core. The influence of the transformation of the core on the experimental characteristics of the WWR-K reactor is shown.

About the Authors

A. A. Shaimerdenov
The Institute of Nuclear Physics
Kazakhstan

Almaty



D. S. Sairanbayev
The Institute of Nuclear Physics
Kazakhstan

Almaty



Sh. Kh. Gizatulin
The Institute of Nuclear Physics
Kazakhstan

Almaty



N. K. Romanova
The Institute of Nuclear Physics
Kazakhstan

Almaty



M. T. Aitkulov
The Institute of Nuclear Physics
Kazakhstan

Almaty



M. Sh. Tulegenov
The Institute of Nuclear Physics
Kazakhstan

Almaty



Zh. T. Bugubay
The Institute of Nuclear Physics
Kazakhstan

Almaty



S. A. Baitelesov
The Institute of Nuclear Physics
Uzbekistan

Tashkent



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Review

For citations:


Shaimerdenov A.A., Sairanbayev D.S., Gizatulin S.K., Romanova N.K., Aitkulov M.T., Tulegenov M.S., Bugubay Z.T., Baitelesov S.A. Computational analysis of a neutron trap in the center of the WWR-K reactor core for irradiation tests of large-sized objects. Eurasian Journal of Physics and Functional Materials. 2022;6(1):38-46. https://doi.org/10.32523/ejpfm.2022060104

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ISSN 2522-9869 (Print)
ISSN 2616-8537 (Online)