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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Himičeskaâ fizika</journal-id><journal-title-group><journal-title xml:lang="en">Himičeskaâ fizika</journal-title><trans-title-group xml:lang="ru"><trans-title>Химическая физика</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0207-401X</issn><publisher><publisher-name xml:lang="en">The Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">682728</article-id><article-id pub-id-type="doi">10.31857/S0207401X25040087</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Combustion, explosion and shock waves</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Горение, взрыв и ударные волны</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Numerical simulation of supersonic turbulent combustion of hydrogen in a stream of hot humid air</article-title><trans-title-group xml:lang="ru"><trans-title>Численное моделирование турбулентного горения водорода в сверхзвуковом потоке горячего влажного воздуха</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Nikonov</surname><given-names>А. М.</given-names></name><name xml:lang="ru"><surname>Никонов</surname><given-names>А. М.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>amnikonov@mai.education</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kharchenko</surname><given-names>N. A.</given-names></name><name xml:lang="ru"><surname>Харченко</surname><given-names>Н. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>amnikonov@mai.education</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Moscow Aviation Institute (National Research University)</institution></aff><aff><institution xml:lang="ru">Московский авиационный институт (национальный исследовательский университет)</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2025-04-21" publication-format="electronic"><day>21</day><month>04</month><year>2025</year></pub-date><volume>44</volume><issue>4</issue><fpage>69</fpage><lpage>78</lpage><history><date date-type="received" iso-8601-date="2025-06-04"><day>04</day><month>06</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Russian Academy of Sciences</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Российская академия наук</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Russian Academy of Sciences</copyright-holder><copyright-holder xml:lang="ru">Российская академия наук</copyright-holder></permissions><self-uri xlink:href="https://transsyst.ru/0207-401X/article/view/682728">https://transsyst.ru/0207-401X/article/view/682728</self-uri><abstract xml:lang="en"><p>The paper presents the results of solving the validation problem of turbulent combustion of a hydrogen jet in a supersonic flow of hot humid air in a symmetrical channel. Special attention is paid to the solution of the system of equations of chemical kinetics, which imposes a significant restriction on the time step, as well as the analysis of kinetic schemes used in the solution. The main computational difficulty is the detailed resolution of the wall region, due to the injection of a hydrogen jet into a turbulent boundary layer, in order to further reproduce experimentally obtained distributions of mole fractions and temperature in the outlet section of the channel, as well as the location of the ignition point.</p></abstract><trans-abstract xml:lang="ru"><p>В работе представлены результаты решения валидационной задачи турбулентного горения водородной струи в сверхзвуковом потоке горячего влажного воздуха в симметричном канале. Особое внимание в работе уделяется решению системы уравнений химической кинетики, накладывающему существенное ограничение на временно́й шаг, а также анализу используемых в решении кинетических схем. Основная вычислительная сложность – подробное разрешение пристеночной области вследствие впрыска водородной струи в турбулентный пограничный слой с целью дальнейшего воспроизведения экспериментально полученных распределений мольных долей и температуры в выходном сечении канала, а также местоположения точки воспламенения.</p></trans-abstract><kwd-group xml:lang="en"><kwd>supersonic combustion</kwd><kwd>turbulent boundary layer</kwd><kwd>ignition point</kwd><kwd>chemical kinetics</kwd><kwd>unstructured grids</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>сверхзвуковое горение</kwd><kwd>турбулентный пограничный слой</kwd><kwd>точка воспламенения</kwd><kwd>химическая кинетика</kwd><kwd>неструктурированные сетки</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">S.M. Frolov, V.S. Ivanov. Russ. J. Phys. Chem. 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