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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">probener</journal-id><journal-title-group><journal-title xml:lang="ru">Известия высших учебных заведений. ПРОБЛЕМЫ ЭНЕРГЕТИКИ</journal-title><trans-title-group xml:lang="en"><trans-title>Power engineering: research, equipment, technology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1998-9903</issn><issn pub-type="epub">2658-5456</issn><publisher><publisher-name>Kazan State Power Engineering  University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.30724/1998-9903-2019-21-5-22-28</article-id><article-id custom-type="elpub" pub-id-type="custom">probener-1099</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>ЭНЕРГЕТИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>POWER ENGINEERING</subject></subj-group></article-categories><title-group><article-title>Физическое и численное моделирование тепломеханических характеристик стационарных потоков в газовоздушных трактах поршневых двигателей</article-title><trans-title-group xml:lang="en"><trans-title>Physical and numerical simulation of the thermal and mechanical characteristics of stationary flows in the gasair paths of piston engines</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4481-3607</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Плотников</surname><given-names>Л. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Plotnikov</surname><given-names>L. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Плотников Леонид Валерьевич – кандидат технических наук, доцент кафедры «Турбины и двигатели»</p><p>г. Екатеринбург</p></bio><bio xml:lang="en"><p>Leonid V. Plotnikov</p><p>Ekaterinburg</p></bio><email xlink:type="simple">plotnikovlv@mail.ru</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>Бродов</surname><given-names>Ю. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Brodov</surname><given-names>Yu. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бродов Юрий Миронович – доктор технических наук, зав. кафедрой турбин и двигателей</p><p>г. Екатеринбург</p></bio><bio xml:lang="en"><p>Yurii M. Brodov </p><p>Ekaterinburg</p></bio><email xlink:type="simple">turbine66@mail.ru</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>Жилкин</surname><given-names>Б. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhilkin</surname><given-names>B. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Жилкин Борис Прокопьевич –доктор физико-математических наук, профессор кафедры «Теплоэнергетика и теплотехника»</p><p>г. Екатеринбург</p></bio><bio xml:lang="en"><p>Boris P. Zhilkin </p><p>Ekaterinburg</p></bio><email xlink:type="simple">tot@ustu.ru</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>Неволин</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Nevolin</surname><given-names>A. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Неволин Александр Михайлович – доцент кафедры «Турбины и двигатели»</p><p>г. Екатеринбург</p></bio><bio xml:lang="en"><p>Alexander M. Nevolin </p><p>Ekaterinburg</p></bio><email xlink:type="simple">lexandr_nevolin@mail.ru</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>Мисник</surname><given-names>М. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Misnik</surname><given-names>M. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мисник Мария Олеговна – магистрант</p><p>г. Екатеринбург</p></bio><bio xml:lang="en"><p>Maria O. Misnik </p><p>Ekaterinburg</p></bio><email xlink:type="simple">misnikmariya@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Уральский федеральный университет имени первого Президента России Б.Н. Ельцина</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Ural Federal University named after the first President of Russia B.N. Yeltsin</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>16</day><month>12</month><year>2019</year></pub-date><volume>21</volume><issue>5</issue><fpage>22</fpage><lpage>28</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Плотников Л.В., Бродов Ю.М., Жилкин Б.П., Неволин А.М., Мисник М.О., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Плотников Л.В., Бродов Ю.М., Жилкин Б.П., Неволин А.М., Мисник М.О.</copyright-holder><copyright-holder xml:lang="en">Plotnikov L.V., Brodov Y.M., Zhilkin B.P., Nevolin A.M., Misnik M.O.</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://www.energyret.ru/jour/article/view/1099">https://www.energyret.ru/jour/article/view/1099</self-uri><abstract><p>Тепломеханическое совершенство впускных и выпускных систем во много определяют эффективность рабочих процессов поршневых ДВС. В статье представлены результаты численного моделирования и экспериментального исследования теплоотдачи газовых потоков в профилированных газовоздушных системах ДВС. Приводятся описание методики численного моделирования, экспериментальной установки, конфигураций исследуемых гидравлических систем, приборной базы и методики проведения опытов. На основе численного моделирования установлено, что использование в выпускных системах ДВС профилированных участков с поперечными сечениями в форме квадрата или треугольника приводит к снижению коэффициента теплоотдачи на 5-11 %. Показано, что применение во впускной системе поршневых ДВС профилированных участков также приводит к снижению коэффициента теплоотдачи до 10 % при скоростях потока воздуха до 40 м/с и росту коэффициента теплоотдачи до 7% при более высоких скоростях. Экспериментальные исследования качественно подтверждают результаты моделирования.</p></abstract><trans-abstract xml:lang="en"><p>Thermomechanical perfection of intake and exhaust systems largely determine the efficiency of the working process of reciprocating engines (ICE). The article presents the results of numerical simulation and experimental study of the heat transfer of gas flows in profiled gas- air systems of ICEs. A description of the numerical simulation technique, experimental setup, configurations of the studied hydraulic systems, measuring base and features of the experiments are given. On the basis of numerical modeling, it has been established that the use of profiled sections with cross sections in the shape of a square or a triangle in exhaust systems of an ICEs leads to a decrease in the heat transfer coefficient by 5-11%. It is shown that the use of similar profiled sections in the intake system of reciprocating engines also leads to a decrease in the heat transfer coefficient to 10 % at low air flow rates (up to 40 m/s) and an increase in the heat transfer coefficient to 7% at high speeds. Experimental studies qualitatively confirm the simulation results.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>поршневые ДВС</kwd><kwd>системы впуска и выпуска</kwd><kwd>газодинамика и теплообмен</kwd><kwd>стационарные потоки</kwd><kwd>поперечное профилирование</kwd></kwd-group><kwd-group xml:lang="en"><kwd>reciprocating internal combustion engines</kwd><kwd>intake and exhaust systems</kwd><kwd>gas dynamics and heat exchange</kwd><kwd>stationary flows</kwd><kwd>transverse profiling</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа, по результатам которой написана статья, выполнена при поддержке РНФ в рамках научного проекта 18-79-10003.</funding-statement><funding-statement xml:lang="en">The work has been supported by the Russian Science Foundation (grant No. 18-79-10003).</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">Heywood J.B. 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