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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">10.52676/1729-7885-2018-3-93-98</article-id><article-id custom-type="elpub" pub-id-type="custom">nuc-106</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>РАЗРАБОТКА МОДЕЛЬНОЙ ТВС ДЛЯ ИССЛЕДОВАНИЯ АВАРИЙНОЙ СИТУАЦИИ С МГНОВЕННОЙ БЛОКИРОВКОЙ ПОТОКА ТЕПЛОНОСИТЕЛЯ В РЕАКТОРЕ НА БЫСТРЫХ НЕЙТРОНАХ</article-title><trans-title-group xml:lang="en"><trans-title>DEVELOPMENT OF A MODEL FA FOR THE STUDY OF EMERGENCY SITUATION WITH AN IMMEDIATE BLOCKING OF THE COOLANT FLOW IN FAST REACTOR</trans-title></trans-title-group></title-group><contrib-group><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-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Вурим</surname><given-names>А. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Vurim</surname><given-names>A. D.</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>Котов</surname><given-names>В. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Kotov</surname><given-names>V. M.</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>Serre</surname><given-names>F.</given-names></name><name name-style="western" xml:lang="en"><surname>Serre</surname><given-names>F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кадараш</p></bio><bio xml:lang="en"/><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Payot</surname><given-names>F.</given-names></name><name name-style="western" xml:lang="en"><surname>Payot</surname><given-names>F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кадараш</p></bio><bio xml:lang="en"/><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Suteau</surname><given-names>C.</given-names></name><name name-style="western" xml:lang="en"><surname>Suteau</surname><given-names>C.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кадараш</p></bio><bio xml:lang="en"/><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Trotignon</surname><given-names>L.</given-names></name><name name-style="western" xml:lang="en"><surname>Trotignon</surname><given-names>L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кадараш</p></bio><bio xml:lang="en"/><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">РГП «Национальный ядерный центр Республики Казахстан»<country>Казахстан</country></aff><aff xml:lang="en">RSE “National Nuclear Center of the Republic of Kazakhstan”<country>Kazakhstan</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Филиал «Институт атомной энергии» РГП НЯЦ РК<country>Казахстан</country></aff><aff xml:lang="en">Branch “Institute of Atomic Energy” RSE NNC RK<country>Kazakhstan</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru">Комиссариат по атомной энергии и альтернативным энергоисточникам (CEA)<country>Франция</country></aff><aff xml:lang="en">Commissariat of atomic energy and alternative energy sources (CEA)<country>France</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>30</day><month>09</month><year>2018</year></pub-date><volume>0</volume><issue>3</issue><fpage>93</fpage><lpage>98</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Витюк В.А., Вурим А.Д., Котов В.М., Витюк Г.А., Serre F., Payot F., Suteau C., Trotignon L., 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Витюк В.А., Вурим А.Д., Котов В.М., Витюк Г.А., Serre F., Payot F., Suteau C., Trotignon L.</copyright-holder><copyright-holder xml:lang="en">Vityuk V.A., Vurim A.D., Kotov V.M., Vityuk G.A., Serre F., Payot F., Suteau C., Trotignon L.</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/106">https://journals.nnc.kz/jour/article/view/106</self-uri><abstract><p>В работе исследованы возможности экспериментального изучения процессов разрушения модельной тепловыделяющей сборки (ТВС) реактора АСТРИД в условиях тяжелой аварии. Эксперименты с модельной ТВС могут быть проведены в исследовательском импульсном графитовом реакторе (ИГР) [<xref ref-type="bibr" rid="cit1">1</xref>] в рамках совместной программы РГП НЯЦ РК и CEA, получившей название САЙГА (SAIGA – Severe Accident In-Pile experiments for Generation IV reactor and Astrid project) [<xref ref-type="bibr" rid="cit2">2</xref>].Активная зона АСТРИД состоит из внутренней зоны с гетерогенными по высоте ТВС, в которых применен принцип разделения топлива высокого обогащения на две зоны (верхнюю и нижнюю) слоем топлива с низким содержанием урана-235, предназначенным для воспроизводства делящихся веществ, и внешней зоны с гомогенными ТВС [<xref ref-type="bibr" rid="cit3">3</xref>]. В исследовании рассмотрены два варианта исполнения модельной тепловыделяющей сборки (ТВС) для реакторных испытаний, отличающиеся геометрией и составом установленных в них твэлов. Определены режимы испытаний модельной ТВС и проведен комплекс расчетов по их обоснованию.</p></abstract><trans-abstract xml:lang="en"><p>Possibilities of experimental study of the model fuel assembly (FA) destruction of ASTRID reactor in a severe accident were studied in this paper. Experiments with model FA can be carried out in a research impulse graphite reactor (IGR) [<xref ref-type="bibr" rid="cit1">1</xref>] in the framework of joint program between RSE NNC RK and CEA, called SAIGA (SAIGA – Severe Accident InPile experiments for Generation IV reactor and Astrid project) [<xref ref-type="bibr" rid="cit2">2</xref>]. ASTRID reactor core consists of an inner zone with heterogeneous FA in height, in which the principle of separation of high enrichment fuel into two zones (upper and lower) is applied by fuel layer with a low uranium-235 content, intended for the reproduction of fission substances, and an external zone with homogeneous FA [<xref ref-type="bibr" rid="cit3">3</xref>]. The study considers two versions of the model FA for reactor tests, which differ in the geometry and composition of the fuel elements installed in them. Test modes of model FA are determined and complex calculations on their justification is conducted.</p></trans-abstract></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Курчатов, И.В. Импульсный графитовый реактор ИГР / И.В. Курчатов, С.М. Фейнберг, Н.А. Доллежаль // Атомная энергия. – 1964. – Т. 17, № 6. – С. 463-474.</mixed-citation><mixed-citation xml:lang="en">Курчатов, И.В. Импульсный графитовый реактор ИГР / И.В. Курчатов, С.М. Фейнберг, Н.А. 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