nucВестник НЯЦ РКNNC RK Bulletin1729-75161729-7885Национальный ядерный центр Республики Казахстан10.52676/1729-7885-2022-3-88-93nuc-448Research ArticleСтатьиРАСЧЕТНОЕ ИССЛЕДОВАНИЕ РАДИАЦИОННЫХ ХАРАКТЕРИСТИК В НИШЕ ЭКСПЕРИМЕНТАЛЬНЫХ УСТРОЙСТВ РЕАКТОРА ВВР-КCOMPUTATIONAL STUDY OF RADIATION CHARACTERISTICS IN THE NICHE OF THE EXPERIMENTAL DEVICES OF THE WWR-K REACTORРомановаН. К.RomanovaN. K.

Алматы

Almaty

ГизатулинШ. Х.GizatulinSh. Kh.

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Almaty

СайранбаевД. С.SairanbayevD. S.

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Almaty

КиселевК. С.KisselyovK. S.

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Almaty

АхановА. М.AkhanovA. M.

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Almaty

ШаймерденовА. А.ShaimerdenovA. A.

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Almaty

ashaimerdenov@inp.kzhttps://orcid.org/0000-0003-0304-2049МассалинаА. Б.MassalinaA. B.

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Almaty

Институт ядерной физики МЭ РККазахстанInstitute of Nuclear Physics of ME RKKazakhstan202228092022038893Copyright © Романова Н.К., Гизатулин Ш.Х., Сайранбаев Д.С., Киселев К.С., Аханов А.М., Шаймерденов А.А., Массалина А.Б., 20222022Романова Н.К., Гизатулин Ш.Х., Сайранбаев Д.С., Киселев К.С., Аханов А.М., Шаймерденов А.А., Массалина А.Б.Romanova N.K., Gizatulin S.K., Sairanbayev D.S., Kisselyov K.S., Akhanov A.M., Shaimerdenov A.A., Massalina A.B.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://journals.nnc.kz/jour/article/view/448

Ядерный реактор – сложная инженерно-техническая установка, генерирующая излучение. Поэтому экспериментальные измерения радиационных характеристик ядерного реактора является сложной задачей, и в некоторых случаях технически невозможной. Современное развитие расчетных кодов и инструментов позволяет определить радиационные характеристики ядерного реактора с достаточной точностью и достоверностью. В связи с этим, компьютерное моделирование физических процессов, происходящих в ядерной реакторе, стало одним из основных методов научных исследований. Реактор ВВР-К это многоцелевой исследовательский реактор с большим количеством вертикальных и горизонтальных облучательных позиций, используемых для решения широкого круга научных и прикладных задач. Облучательная позиция с наибольшими размерами в реакторе ВВР-К представляет собой нишу для экспериментальных устройств, что позволяет проводить облучение объектов диаметром до 1000 мм. Данная позиция рассматривается в качестве кандидата для нейтронно-трансмутационного легирования слитков кремния диаметром более 200 мм. В статье представлены радиационные характеристики текущей и модернизированной конфигурации ниши экспериментальных устройств реактора ВВР-К. Показано, что усовершенствование конфигурации приводит к улучшение нейтронных характеристик в облучательной позиции.

A nuclear reactor is a complex engineering and technical installation that generates radiation. Because of this, the experimental measurement of the radiation characteristics of a nuclear reactor is a difficult task, and in some cases technically impossible. The modern development of calculation codes and tools makes it possible to determine the radiation characteristics of a nuclear reactor with sufficient accuracy and reliability. Due to this, computational modeling of physical processes occurring in a nuclear reactor has become one of the main scientific research methods. The WWRK reactor is a multi-purpose research reactor with a large number of vertical and horizontal irradiation positions used for a wide range of scientific and applied problems. The irradiation position with the largest dimensions in the WWR-K reactor is the niche of experimental devices, which makes it possible to irradiate objects up to 1000 mm in diameter. This position is considered as a candidate for neutron transmutation doping of silicon ingots with a diameter of more than 200 mm. The article presents the radiation characteristics for the current and modernized configuration of the niche of the experimental devices of the WWR-K reactor. It is shown that the upgrade of the configuration leads to an improvement in the neutron characteristics in the irradiated position.

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The authors declare that there are no conflicts of interest present.