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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">rmrs</journal-id><journal-title-group><journal-title xml:lang="ru">Научно-технический сборник Российского морского регистра судоходства</journal-title><trans-title-group xml:lang="en"><trans-title>Research Bulletin by Russian Maritime Register of Shipping</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2223-7097</issn><publisher><publisher-name>Российский морской регистр судоходства</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="edn" pub-id-type="custom">OHQZNQ</article-id><article-id custom-type="elpub" pub-id-type="custom">rmrs-164</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>МЕХАНИЧЕСКИЕ УСТАНОВКИ И ДВИЖИТЕЛИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MECHANICAL INSTALLATIONS AND PROPULSION</subject></subj-group></article-categories><title-group><article-title>Анализ методов снижения механических потерь в приводах вспомогательных механизмов дизелей</article-title><trans-title-group xml:lang="en"><trans-title>Analysis of methods for reducing mechanical losses in drives of auxiliary mechanisms of diesel engines</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>Трифонов</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Trifonov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Канд. техн. наук, доцент.</p><p>414056 Астрахань, ул. Татищева, 16/1</p></bio><bio xml:lang="en"><p>PhD, Associate Professor.</p><p>414056 Astrakhan, Tatishcheva ul., 16/1</p></bio><email xlink:type="simple">trifonov91@inbox.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>Хмельницкая</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Khmelnitskaya</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Канд. техн. наук, доцент.</p><p>414056 Астрахань, ул. Татищева, 16/1</p></bio><bio xml:lang="en"><p>PhD, Docent, Associate Professor.</p><p>414056 Astrakhan, Tatishcheva ul., 16/1</p></bio><email xlink:type="simple">khmelnitskayaaa@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>Степанов</surname><given-names>Н. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Stepanov</surname><given-names>N. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Аспирант.</p><p>414056 Астрахань, ул. Татищева, 16/1</p></bio><bio xml:lang="en"><p>PhD student.</p><p>414056 Astrakhan, Tatishcheva ul., 16/1</p></bio><email xlink:type="simple">nikita342.st@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Астраханский государственный технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Astrakhan State Technical 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>02</day><month>02</month><year>2026</year></pub-date><volume>0</volume><issue>81</issue><fpage>116</fpage><lpage>127</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Трифонов А.В., Хмельницкая А.А., Степанов Н.Е., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Трифонов А.В., Хмельницкая А.А., Степанов Н.Е.</copyright-holder><copyright-holder xml:lang="en">Trifonov A.V., Khmelnitskaya A.A., Stepanov N.E.</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://sbornik.rs-class.org/jour/article/view/164">https://sbornik.rs-class.org/jour/article/view/164</self-uri><abstract><p>В статье проводится анализ современных методов снижения механических потерь в приводах вспомогательных механизмов дизельных двигателей, включая обзор российских и зарубежных исследований. Рассматриваются такие подходы, как использование электромагнитных муфт для регулирования работы насосов охлаждения, насосов с переменной производительностью и децентрализация приводов. Описаны разработки Астраханского государственного технического университета: экспериментальные стенды с вариаторами для плавного изменения частоты вращения насосов. Результаты испытаний демонстрируют снижение потребляемой мощности на 30 — 50 % (с 1000 Вт до 300 — 628 Вт), экономию топлива до 20 % и повышение термического КПД. Подчеркивается актуальность направления для повышения эффективности судовых двигателей и снижения выбросов.</p></abstract><trans-abstract xml:lang="en"><p>This article analyzes modern methods for reducing mechanical losses in auxiliary drives of diesel engines, including a review of Russian and international research. Approaches such as the use of electromagnetic clutches to regulate the operation of cooling pumps, variable-displacement pumps, and drive decentralization are considered. Developments at Astrakhan State Technical University are described, including experimental rigs with variators for smoothly changing the pump speed. Test results demonstrate a 30 — 50 % reduction in power consumption (from 1000 W to 300 — 628 W), fuel savings of up to 20 %, and an increase in thermal efficiency. The relevance of this approach for improving the efficiency of marine engines and reducing emissions is emphasized.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>механические потери</kwd><kwd>вспомогательные механизмы дизельного двигателя</kwd><kwd>дизельный двигатель</kwd><kwd>электромагнитная муфта</kwd></kwd-group><kwd-group xml:lang="en"><kwd>mechanical losses</kwd><kwd>auxiliary mechanisms of a diesel engine</kwd><kwd>diesel engine</kwd><kwd>electromagnetic coupling</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">Kumarasubramanian R. Experimental investigation on the electromagnetic clutch water pump and pneumatic compressor for improving the efficiency of an engine / R. Kumarasubramanian, X. Goldwin, W.M. Nishanthi, R. 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