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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">seats</journal-id><journal-title-group><journal-title xml:lang="ru">Социально-экономические и технические системы: исследование, проектирование, оптимизация</journal-title><trans-title-group xml:lang="en"><trans-title>Social-economic and technical systems: research, design and optimization</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">1991-6302</issn><publisher><publisher-name>Казанский (Приволжский) федеральный университет</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">seats-234</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>ОРГАНИЗАЦИОННО-ТЕХНИЧЕСКИЕ СИСТЕМЫ: ПРОЕКТИРОВАНИЕ, ФУНКЦИОНИРОВАНИЕ, ЭКСПЛУАТАЦИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ОРГАНИЗАЦИОННО-ТЕХНИЧЕСКИЕ СИСТЕМЫ: ПРОЕКТИРОВАНИЕ, ФУНКЦИОНИРОВАНИЕ, ЭКСПЛУАТАЦИЯ</subject></subj-group></article-categories><title-group><article-title>СРАВНИТЕЛЬНЫЙ АНАЛИЗ ПАРАМЕТРОВ И ПЕРСПЕКТИВЫ РАЗВИТИЯ КОМБИНИРОВАННЫХ ДИЗЕЛЕЙ БОЛЬШЕГРУЗНЫХ АВТОМОБИЛЕЙ</article-title><trans-title-group xml:lang="en"><trans-title>COMPARATIVE ANALYSIS OF PARAMETERS OF COMBINED DIESEL ENGINES OF HEAVY-DUTY VEHICLES</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>Румянцев</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Rumyancev</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат технических наук, доцент</p></bio><bio xml:lang="en"><p>candidate of technical Sciences, assistant professor</p></bio><email xlink:type="simple">vvr1954@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>Бакирова</surname><given-names>Э. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Bakirova</surname><given-names>E. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>студентка, 4 курс</p></bio><bio xml:lang="en"><p>student of the 4th year of the direction of training 13.03.03 Power engineering, profile – internal combustion engines</p></bio><email xlink:type="simple">elmira.bakirova.01@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>Валиев</surname><given-names>Р. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Valiev</surname><given-names>R. F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>студент, 4 курс</p></bio><bio xml:lang="en"><p>student of the 4th year of the direction of training 13.03.03 Power engineering, profile – internal combustion engines</p></bio><email xlink:type="simple">valeika_omg@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Набережночелнинский институт ФГАОУ ВО «Казанский (Приволжский) федеральный университет»<country>Россия</country></aff><aff xml:lang="en">Naberezhnye Chelny Institute of Kazan (Volga region) Federal University<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>28</day><month>11</month><year>2025</year></pub-date><volume>0</volume><issue>1</issue><fpage>86</fpage><lpage>97</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Румянцев В.В., Бакирова Э.Р., Валиев Р.Ф., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Румянцев В.В., Бакирова Э.Р., Валиев Р.Ф.</copyright-holder><copyright-holder xml:lang="en">Rumyancev V.V., Bakirova E.R., Valiev R.F.</copyright-holder><license 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://seats.elpub.ru/jour/article/view/234">https://seats.elpub.ru/jour/article/view/234</self-uri><abstract><p>Приводится сравнительный анализ параметров комбинированных дизелей большегрузных автомобилей. Отмечено, что при существующих ограничениях по выбросам вредных веществ необходимо введение принципиальных изменений в рабочий процесс для достижения теплового коэффициента полезного действия двигателей более 0,5 и выше.</p></abstract><trans-abstract xml:lang="en"><p>A comparative analysis of the parameters of combined diesel engines of heavy-duty vehicles is given. As a result, a forecast is given for the promising parameters of KAMAZ P6 diesels. It is noted that with the existing restrictions on emissions of harmful substances, it is necessary to introduce fundamental changes in the workflow in order to achieve a thermal efficiency of engines of more than 0.5 and higher.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Двигатель внутреннего сгорания</kwd><kwd>дизель</kwd><kwd>сравнительный анализ</kwd><kwd>коэффициент полезного действия</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Internal combustion engine</kwd><kwd>diesel</kwd><kwd>comparative analysis</kwd><kwd>efficiency</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">Франц К. Мозер. Дизель в 2015 г. Требования и направления развития технологий дизелей для легковых и грузовых автомобилей // Журнал автомобильных инженеров. – 2008. - №4(51).</mixed-citation><mixed-citation xml:lang="en">Франц К. Мозер. Дизель в 2015 г. 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