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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">nuc</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник НЯЦ РК</journal-title><trans-title-group xml:lang="en"><trans-title>NNC RK Bulletin</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1729-7516</issn><issn pub-type="epub">1729-7885</issn><publisher><publisher-name>Национальный ядерный центр Республики Казахстан</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.52676/1729-7885-2024-3-56-64</article-id><article-id custom-type="elpub" pub-id-type="custom">nuc-688</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>Статьи</subject></subj-group></article-categories><title-group><article-title>ИССЛЕДОВАНИЕ НЕЙТРОННО-ФИЗИЧЕСКИХ ПРОЦЕССОВ, ОПРЕДЕЛЯЮЩИХ ХАРАКТЕР РАДИАЦИОННОГО РАЗОГРЕВА МАТЕРИАЛОВ В ИМПУЛЬСНОМ ГРАФИТОВОМ РЕАКТОРЕ</article-title><trans-title-group xml:lang="en"><trans-title>STUDY OF NEUTRONIC PROCESSES DETERMINING THE NATURE OF NUCLEAR HEATING OF MATERIALS IN THE IMPULSE GRAPHITE REACTOR</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0004-3187-535X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Келсингазина</surname><given-names>Р. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Kelsingazina</surname><given-names>R. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курчатов</p><p>Семей</p></bio><bio xml:lang="en"><p>Kurchatov</p><p>Seme</p></bio><email xlink:type="simple">kelsingazina@nnc.kz</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Витюк</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Vityuk</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курчатов</p></bio><bio xml:lang="en"><p>Kurchatov</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Витюк</surname><given-names>Г. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Vityuk</surname><given-names>G. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курчатов</p></bio><bio xml:lang="en"><p>Kurchatov</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мухамедов</surname><given-names>Н. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Mukhamedov</surname><given-names>N. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курчатов</p></bio><bio xml:lang="en"><p>Kurchatov</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Должиков</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Dolzhikov</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Курчатов</p></bio><bio xml:lang="en"><p>Kurchatov</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Национальный Ядерный центр Республики Казахстан; Университет имени Шакарима города Семей<country>Казахстан</country></aff><aff xml:lang="en">National Nuclear Center of the Republic of Kazakhstan; Shakarim University of Semey<country>Kazakhstan</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Национальный ядерный центр Республики Казахстан<country>Казахстан</country></aff><aff xml:lang="en">National Nuclear Center of the Republic of Kazakhstan<country>Kazakhstan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>30</day><month>09</month><year>2024</year></pub-date><volume>0</volume><issue>3</issue><fpage>56</fpage><lpage>64</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Келсингазина Р.Е., Витюк В.А., Витюк Г.А., Мухамедов Н.Е., Должиков С.А., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Келсингазина Р.Е., Витюк В.А., Витюк Г.А., Мухамедов Н.Е., Должиков С.А.</copyright-holder><copyright-holder xml:lang="en">Kelsingazina R.E., Vityuk V.A., Vityuk G.A., Mukhamedov N.E., Dolzhikov S.A.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://journals.nnc.kz/jour/article/view/688">https://journals.nnc.kz/jour/article/view/688</self-uri><abstract><p>Ужесточение требований к методическому обеспечению внутриреакторных экспериментов определяет необходимость повышения качества прогнозирования важных с точки зрения безопасности параметров облучаемых экспериментальных устройств. Для качественного прогнозирования температуры элементов устройств при их облучении в реакторе ИГР в данной работе представлен анализ механизмов радиационного разогрева под воздействием нейтронного и гамма-полей реактора. Проведены расчеты по определению вклада различных нейтронно-физических процессов в результирующий радиационный разогрев образцов конструкционных материалов при их планируемом облучении в реакторе ИГР, определено объемное распределение энерговыделения в образцах конструкционных материалов.</p></abstract><trans-abstract xml:lang="en"><p>Tightening the requirements for methodological support for in-pile experiments determines the need to improve the quality of predicting parameters of irradiated experimental devices that are important from a safety point of view. To qualitatively predict the temperature of device elements during irradiation in the IGR reactor, this paper presents an analysis of the radiation heating mechanisms under the influence of neutron and gamma fields of the reactor. Calculations were conducted to determine the contribution of various neutronic processes to the resulting nuclear heating of samples of structural materials during their planned irradiation in the IGR reactor, and the volumetric distribution of energy release in samples of structural materials was determined.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>радиационный разогрев</kwd><kwd>конструкционные материалы</kwd><kwd>нейтронно-физические расчеты</kwd><kwd>компьютерное моделирование</kwd><kwd>энерговыделение</kwd></kwd-group><kwd-group xml:lang="en"><kwd>nuclear heating</kwd><kwd>structural materials</kwd><kwd>neutronics calculations</kwd><kwd>computer modeling</kwd><kwd>energy release</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>Работа выполнена при финансовой поддержке Министерства науки и высшего образования Республики Казахстан по теме BR21882185 «Исследования в поддержку создания и безопасного функционирования атомной электростанции в Республике Казахстан».</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Research Reactors Database (RRDB) // http://nucleus.iaea.org/RRDB.</mixed-citation><mixed-citation xml:lang="en">Research Reactors Database (RRDB) // http://nucleus.iaea.org/RRDB.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Batyrbekov E., Vityuk V., Vurim V., Vityuk G. 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