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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">energsecurity</journal-id><journal-title-group><journal-title xml:lang="ru">Надежность и безопасность энергетики</journal-title><trans-title-group xml:lang="en"><trans-title>Safety and Reliability of Power Industry</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1999-5555</issn><issn pub-type="epub">2542-2057</issn><publisher><publisher-name>ООО «НПО Энергобезопасность»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.24223/1999-5555-2021-14-2-108-114</article-id><article-id custom-type="elpub" pub-id-type="custom">energsecurity-757</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>ПРОЕКТИРОВАНИЕ, ИССЛЕДОВАНИЯ, РАСЧЕТЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>DESIGN, RESEARCH, CALCULATIONS</subject></subj-group></article-categories><title-group><article-title>Тепломеханическое совершенствование системы воздухо- снабжения поршневого двигателя с турбонаддувом</article-title><trans-title-group xml:lang="en"><trans-title>Thermal and mechanical improvement of the air supply system of a turbocharged piston engine</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>Бродов</surname><given-names>Ю. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Brodov</surname><given-names>Y. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ул. Мира, 19, 620002, г. Екатеринбург</p></bio><bio xml:lang="en"><p>19 Mira str., 620002, Ekaterinburg</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>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>ул. Мира, 19, 620002, г. Екатеринбург</p></bio><bio xml:lang="en"><p>19 Mira str., 620002, Ekaterinburg</p></bio><email xlink:type="simple">eonplot@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>Десятов</surname><given-names>К. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Desyatov</surname><given-names>K. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ул. Мира, 19, 620002, г. Екатеринбург</p></bio><bio xml:lang="en"><p>19 Mira str., 620002, Ekaterinburg</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГАОУ ВПО «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>2021</year></pub-date><pub-date pub-type="epub"><day>27</day><month>07</month><year>2021</year></pub-date><volume>14</volume><issue>2</issue><fpage>108</fpage><lpage>114</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Бродов Ю.М., Плотников Л.В., Десятов К.О., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Бродов Ю.М., Плотников Л.В., Десятов К.О.</copyright-holder><copyright-holder xml:lang="en">Brodov Y.M., Plotnikov L.V., Desyatov K.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.sigma08.ru/jour/article/view/757">https://www.sigma08.ru/jour/article/view/757</self-uri><abstract><p>Описан способ тепломеханического совершенствования пульсирующих потоков воздуха во впускной системе поршневого двигателя с турбонаддувом. Основная цель данного исследования состоит в разработке способа подавления интенсивности теплоотдачи для улучшения показателей безотказности поршневого двигателя с турбонаддувом. Приведен краткий обзор литературы по улучшению показателей надежности поршневых двигателей разного назначения. Научно-технические результаты получены на основе экспериментальных исследований на натурной модели поршневого двигателя. Для получения газодинамических и теплообменных характеристик потоков газа использовался метод термоанемометрирования. Описаны лабораторные стенды и приборно-измерительная база. Представлены данные о газодинамике и теплообмене стационарных и пульсирующих потоков воздуха в газодинамических системах разных конфигураций применительно к системе воздухоснабжения поршневого двигателя с турбонаддувом. Предложен способ тепломеханического совершенствования потоков во впускной системе двигателя на основе хонейкомба с целью стабилизации пульсирующего потока и подавления интенсивности теплоотдачи. Получены данные о мгновенных значениях скорости потока воздуха и локального коэффициента теплоотдачи как в выпускном канале компрессора турбокомпрессора (т. е. без поршневого двигателя), так и во впускной системе двигателя с наддувом. Проведен сравнительный анализ полученных данных. Выявлено, что установка выравнивающей решетки в выпускной канал турбокомпрессора приводит к интенсификации теплоотдачи в среднем на 9%. Установлено, что наличие выравнивающей решетки в системе впуска поршневого двигателя вызывает подавление теплоотдачи в пределах 15% в сравнении с базовыми значениями. Показано, что применение модернизированной впускной системе в дизельном двигателе повышает его вероятность безотказной работы на 0,8%. Полученные данные могут быть распространены на другие типы и конструкции систем воздухоснабжения тепловых двигателей.</p></abstract><trans-abstract xml:lang="en"><p>A method of thermomechanical improvement of pulsating air flows in the intake system of a turbocharged piston engine is described. The main objective of this study is to develop a method for suppressing the rate of heat transfer to improve the reliability of a piston turbocharged engine. A brief review of the literature on improving the reliability of piston engines is given. Scientific and technical results were obtained on the basis of experimental studies on a full-scale model of a piston engine. The hot-wire anemometer method was used to obtain gas-dynamic and heatexchange characteristics of gas flows. Laboratory stands and instrumentation facilities are described in the article. The data on gas dynamics and heat exchange of stationary and pulsating air flows in gas-dynamic systems of various configurations as applied to the air supply system of a turbocharged piston engine are presented. A method of thermomechanical improvement of flows in the intake system of an engine based on a honeycomb is proposed in order to stabilize the pulsating flow and suppress the intensity of heat transfer. Data were obtained on the air flow rate and the local heat transfer coefficient both in the exhaust duct of the turbocharger compressor (i.e., without a piston engine) and in the intake system of a supercharged engine. A comparative analysis of the data has been carried out. It was found that the installation of a leveling grid in the exhaust channel of a turbocharger leads to an intensification of heat transfer by an average of 9%. It was found that the presence of a leveling grid in the intake system of a piston engine causes the suppression of heat transfer within 15% in comparison with the baseline values. It is shown that the use of a modernized intake system in a diesel engine increases its probability of failure-free operation by 0.8%. The data obtained can be extended to other types and designs of air supply systems for heat engines.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>поршневой двигатель</kwd><kwd>турбокомпрессор</kwd><kwd>впускная система</kwd><kwd>стационарные и пульсирующие потоки</kwd><kwd>газодинамика и теплообмен</kwd><kwd>вероятность безотказной работы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>piston engine</kwd><kwd>turbocharger</kwd><kwd>intake system</kwd><kwd>stationary and pulsating flows</kwd><kwd>gas dynamics and heat exchange</kwd><kwd>probability of failure-free operation</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Результаты работы, представленные в статье, получены при поддержке РНФ в рамках научного проекта 18-79-10003.</funding-statement><funding-statement xml:lang="en">The results of the work presented in the article were obtained during the implementation of 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">Reitz R. 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