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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">gumrf</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Государственного университета морского и речного флота имени адмирала С. О. Макарова</journal-title><trans-title-group xml:lang="en"><trans-title>Vestnik Gosudarstvennogo universiteta morskogo i rechnogo flota imeni admirala S. O. Makarova</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2309-5180</issn><issn pub-type="epub">2500-0551</issn><publisher><publisher-name>ФГБОУ ВО «Государственный университет морского и речного флота имени адмирала С.О. Макарова»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21821/2309-5180-2023-15-3-501-512</article-id><article-id custom-type="elpub" pub-id-type="custom">gumrf-334</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>СУДОВЫЕ ЭНЕРГЕТИЧЕСКИЕ УСТАНОВКИ И ИХ ЭЛЕМЕНТЫ (ГЛАВНЫЕ И ВСПОМОГАТЕЛЬНЫЕ)</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>SHIP POWER PLANTS AND THEIR ELEMENTS (MAIN AND AUXILIARY)</subject></subj-group></article-categories><title-group><article-title>Оценка эффективности топливоподготовки на судах, использующих в качестве топлива сжиженный природный газ</article-title><trans-title-group xml:lang="en"><trans-title>Efficiency of fuel gas supply on LNG-fueled vessels</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>Ватолин</surname><given-names>Д. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Vatolin</surname><given-names>D. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ватолин Дмитрий Сергеевич — кандидат технических наук198035,  Санкт-Петербург, ул. Двинская, 5/7</p></bio><bio xml:lang="en"><p>Vatolin, Dmitrii S. — PhD5/7 Dvinskaya Str., St. Petersburg, 198035</p></bio><email xlink:type="simple">vatolinds@gumrf.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО «ГУМРФ имени адмирала С. О. Макарова»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Admiral Makarov State University of Maritime and Inland Shipping</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>30</day><month>07</month><year>2023</year></pub-date><volume>15</volume><issue>3</issue><fpage>501</fpage><lpage>512</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ватолин Д.С., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Ватолин Д.С.</copyright-holder><copyright-holder xml:lang="en">Vatolin D.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://journal.gumrf.ru/jour/article/view/334">https://journal.gumrf.ru/jour/article/view/334</self-uri><abstract><p>Темой обзорного исследования является анализ качества газовой топливоподготовки и ее специфики ввиду широкого распространения СПГ в качестве топлива для судовых двигателей внутреннего сгорания. Задачей данной статьи является рассмотрение современных систем газовой топливоподготовки и проведение анализа качества их работы. Целью работы является определение наиболее важных параметров газового топлива, влияющих на стабильность рабочего процесса судовых двухтопливных двигателей, и способы их поддержания в заданных пределах. Оценка эффективности газовой топливоподготовки осуществлялась на основе эксплуатационных данных полученных на борту судна-газовоза. Сбор данных осуществлялся в нестандартных условиях эксплуатации, что позволило оценить качество получаемого газового топлива при изменяющейся во времени композиции исходного природного газа. Для анализа полученных данных применялось современное программное обеспечение, используемое ведущими разработчиками судовых дизельных двигателей (Wärtsilä Methane Number Calculator, AVL BoostTM и статистические пакеты Python 3). Результаты анализа были аппроксимированы для систем газовой топливоподготовки судов, использующих природный газ в качестве топлива, но не являющихся газовозами. Данная аппроксимация производилась с учетом конструктивных особенностей систем газовой топливоподготовки, так как специфика конструкции накладывает определенные ограничения на применимость полученных в результате предшествующего анализа выводов. Также в работе уделено внимание вопросам накопления в бункерных танках остаточных тяжелых углеводородов, избыточное количество которых может негативно сказываться на качестве газового топлива. Так как универсального способа решения данной проблемы не существует, были выдвинуты общие предположения о возможных способах утилизации остаточных тяжелых углеводородов. </p></abstract><trans-abstract xml:lang="en"><p>The widespread use of LNG as a fuel for marine internal combustion engines makes to pay attention to the quality of gas fuel supply systems and its specifics. The objective of this paper is to review modern gas fuel supply systems and analyze their efficiency. The goal is to determine the most important parameters of gas fuel that affect the stability of the working process of marine dual-fuel engines and ways to maintain them within the specified limits. Evaluation of the gas fuel preparation efficiency is carried out on the basis of operational data obtained on the gas carrier vessel board. Data collection is carried out under non-standard operating conditions, which makes it possible to evaluate the quality of the resulting gas fuel with a time-varying composition of the initial natural gas. To analyze the obtained data, modern software, which is used by leading developers of marine diesel engines, is used (Wartsila Methane Number Calculator, AVL BoostTM and Python 3 statistic libraries). The analysis results are approximated for gas fuel supply systems for gas-fueled vessels, but not being gas carriers. This approximation is made taking into account the design features of gas fuel supply systems, since the specificity of the design imposes certain restrictions on the applicability of the conclusions obtained as a result of the previous analysis. Also, attention is paid to the accumulation of residual heavy hydrocarbons in bunker tanks, the excess of which can adversely affect the quality of gas fuel. Since there is no universal way to solve this problem, only general assumptions about possible ways to dispose of them have been made. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>системы газовой топливоподготовки</kwd><kwd>двухтопливный двигатель</kwd><kwd>системы бункеровки СПГ</kwd></kwd-group><kwd-group xml:lang="en"><kwd>fuel gas supply systems</kwd><kwd>dual fuel diesel engines</kwd><kwd>LNG bunkering systems</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">LNG bunker fuel prices [Электронный ресурс]. — Режим доступа: https://sea-lng.org/lng-bunker-fuelprices/ (дата обращения: 30.04.2023).</mixed-citation><mixed-citation xml:lang="en">LNG bunker fuel prices. 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