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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">npe</journal-id><journal-title-group><journal-title xml:lang="ru">Ядерная физика и инжиниринг</journal-title><trans-title-group xml:lang="en"><trans-title>Nuclear Physics and Engineering</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2079-5629</issn><issn pub-type="epub">2079-5637</issn><publisher><publisher-name>МИФИ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.56304/S2079562924060228</article-id><article-id custom-type="edn" pub-id-type="custom">CXNASQ</article-id><article-id custom-type="elpub" pub-id-type="custom">npe-427</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>Взаимодействие плазмы, пучков частиц и излучения с веществом</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Interaction of Plasma, Particle Beams and Radiation with Matter</subject></subj-group></article-categories><title-group><article-title>РАСЧЕТ ЭМИССИОННЫХ ХАРАКТЕРИСТИК ТЕРМИЧЕСКИ НЕРАВНОВЕСНОГО ГАЗА CO2 В ДИАПАЗОНЕ ОТ 3200 ДО 5400 СМ–1 С ИСПОЛЬЗОВАНИЕМ МОДЕЛЕЙ LBL И SNB</article-title><trans-title-group xml:lang="en"><trans-title>CALCULATION OF THE EMISSION CHARACTERISTICS OF THERMALLY NONEQUILIBRIUM CO2 GAS IN THE RANGE 3200–5400 CM–1 USING THE LINE-BY-LINE AND STATISTICAL NARROW-BAND MODELS</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>Молчанов</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Molchanov</surname><given-names>A. M.</given-names></name></name-alternatives><email xlink:type="simple">alexmol@gmail.com</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>Янышев</surname><given-names>Д. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Yanyshev</surname><given-names>D. S.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Быков</surname><given-names>Л. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Bykov</surname><given-names>L. V.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Коваленко</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Kovalenko</surname><given-names>A. S.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Московский авиационный институт (национальный исследовательский универистет)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Moscow Aviation Institute (National Research University)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>08</day><month>01</month><year>2025</year></pub-date><volume>16</volume><issue>1</issue><fpage>96</fpage><lpage>107</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Молчанов А.М., Янышев Д.С., Быков Л.В., Коваленко А.С., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Молчанов А.М., Янышев Д.С., Быков Л.В., Коваленко А.С.</copyright-holder><copyright-holder xml:lang="en">Molchanov A.M., Yanyshev D.S., Bykov L.V., Kovalenko A.S.</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://npe.elpub.ru/jour/article/view/427">https://npe.elpub.ru/jour/article/view/427</self-uri><abstract><p>Представлена методика расчета поглощательных и излучательных характеристик CO2 в диапазоне от 3200 до 5400 см–1 с учетом влияния термической неравновесности. Проведена серия расчетов с использованием line–by–line (LBL) и статистической узкополосной модели (SNB). Расчеты выполнены при различных давлениях, областях спектра, толщинах слоя, температурах и молярных долях CO2. Полученная методика показывает хорошее согласование между собой моделей LBL и SNB, а также удовлетворительно согласовывается с экспериментальными данными при расчете величины пропускательной способности. В рассматриваемом диапазоне неравновесность по вращательной температуре практически не оказывает влияния на излучательные характеристики, в отличии поступательной и колебательной температур, которые оказывают существенное влияние на значение неравновесной функции Планка. Полученная методика может использоваться для расчетов при исследовании проблемы глобального потепления.</p></abstract><trans-abstract xml:lang="en"><p>A method for calculating the absorption and emission characteristics of CO2 in the range from 3200 to 5400 cm–1 taking into account the influence of thermal disequilibrium is presented. A series of calculations using line-by-line (LBL) and statistical narrow-band (SNB) models have been performed at various pressures, spectral regions, layer thicknesses, temperatures, and molar fractions of CO2. The obtained technique shows good agreement between the LBL and SNB models and satisfactorily agrees with experimental data when calculating the transmission capacity. In the considered range, the nonequilibrium in rotational temperature hardly affects the radiative characteristics, unlike translational and vibrational temperatures, which significantly affect the nonequilibrium Planck function. The resulting technique can be used for calculations concerning the problem of global warming.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>неравновесное излучение</kwd><kwd>углекислый газ</kwd><kwd>метод line–by–line</kwd><kwd>статистическая модель полосы</kwd><kwd>парниковый эффект</kwd></kwd-group><kwd-group xml:lang="en"><kwd>nonequilibrium radiation</kwd><kwd>carbonic acid gas</kwd><kwd>line-by-line method</kwd><kwd>statistical narrow-band model</kwd><kwd>greenhouse effect</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Kuzenov V.V., Ryzhkov S.V., Varaksin A.Yu. // Mathematics. 2022. V. 10. P. 2130.</mixed-citation><mixed-citation xml:lang="en">Kuzenov V.V., Ryzhkov S.V., Varaksin A.Yu. // Mathematics. 2022. V. 10. 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