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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">veststu</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Сибирского государственного университета путей сообщения</journal-title><trans-title-group xml:lang="en"><trans-title>Bulletin of Siberian State University of Transport</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1815-9265</issn><publisher><publisher-name>Сибирский государственный университет путей сообщения</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.52170/1815-9265_2022_62_40</article-id><article-id custom-type="elpub" pub-id-type="custom">veststu-76</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>СТРОИТЕЛЬСТВО И АРХИТЕКТУРА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BUILDING AND ARCHITECTURE</subject></subj-group></article-categories><title-group><article-title>Экспериментальные измерения аэродинамики подвижного состава</article-title><trans-title-group xml:lang="en"><trans-title>Experimental measurements of rolling stock aerodynamics</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>Лабутин</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Labutin</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Никита Андреевич Лабутин – аспирант кафедры «Мосты»</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Nikita A. Labutin – Post-graduate Student of the Bridge Department</p><p>St. Petersburg</p></bio><email xlink:type="simple">labutin@pgups.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>Дьяченко</surname><given-names>Л. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Dyachenko</surname><given-names>L. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Леонид Константинович Дьяченко – доцент кафедры «Мосты», кандидат технических наук</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Leonid K. Dyachenko – Associate Professor of the Bridge Department, Candidate of Engineering</p><p>St. Petersburg</p></bio><email xlink:type="simple">leonid_dyachenko@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>Ланг</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Lang</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Андрей Владимирович Ланг – аспирант кафедры «Мосты»</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Andrey V. Lang – Post-graduate Student of the Bridge Department</p><p>St. Petersburg</p></bio><email xlink:type="simple">langandrew@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Петербургский государственный университет путей сообщения Императора Александра I</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Emperor Alexander I St. Petersburg State Transport University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>30</day><month>09</month><year>2022</year></pub-date><volume>0</volume><issue>3</issue><fpage>40</fpage><lpage>48</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Лабутин Н.А., Дьяченко Л.К., Ланг А.В., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Лабутин Н.А., Дьяченко Л.К., Ланг А.В.</copyright-holder><copyright-holder xml:lang="en">Labutin N.A., Dyachenko L.K., Lang A.V.</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.vestnikstu.ru/jour/article/view/76">https://www.vestnikstu.ru/jour/article/view/76</self-uri><abstract><p>Рост скорости движения поездов на железных дорогах сопровождается существенным увеличением аэродинамического воздействия на конструкции, расположенные в непосредственной близости от оси пути. Особую важность данный фактор приобретает при развитии высокоскоростных железнодорожных магистралей (ВСМ). Определение нагрузок на конструкции при проектировании и строительстве ВСМ целесообразно выполнять путем численного моделирования в специализированных программных комплексах с обязательной верификацией разработанных расчетных моделей.В настоящей статье представлены результаты экспериментальных измерений внешней аэродинамики подвижного состава, курсирующего по линии Санкт-Петербург – Москва Октябрьской железной дороги. Изменения величины воздушного давления в точке при прохождении поездов измерялись высокочастотными мембранными датчиками давления. Установленная скорость движения поездов в местах измерения составляла до 140 км/ч для обычных пассажирских поездов и до 250 км/ч для высокоскоростного электропоезда «Сапсан». Анализ полученных результатов позволил получить картину распределения экстремальных величин избыточного и разреженного воздушного давления в зависимости от расстояния от оси пути и высоты над уровнем головки рельса для различных типов подвижного состава. На основе полученной картины распределения установлена степень снижения интенсивности воздушной волны от проходящего поезда в зависимости от расстояния от оси пути. Также выявлен периодический характер аэродинамического воздействия, вызванный наличием промежутков между вагонами, и определены его частоты для разных скоростей движения.Результаты, приведенные в данной работе, впоследствии могут быть использованы для верификации разработанных расчетных моделей аэродинамического воздействия движущихся высокоскоростных поездов на элементы инфраструктуры.</p></abstract><trans-abstract xml:lang="en"><p>The increase in the speed of trains on railways is accompanied by a significant increase in the aerodynamic impact on structures located in close proximity to the axis of the track. This factor is of particular importance in the development of high-speed rail lines (HSR). It is advisable to determine the loads on structures during the design and construction of the HSR by numerical modeling in specialized software complexes with mandatory verification of the developed calculation models.This article presents the results of experimental measurements of the external aerodynamics of rolling stock running on the St. Petersburg – Moscow line of the Oktyabrskaya Railway. Measurements of changes in the air pressure at a point during the passage of trains were measured by high-frequency membrane pressure sensors. The set speed of trains at the measuring points was up to 140 km/h for ordinary passenger trains and up to 250 km/h for the Sapsan high-speed electric train. The analysis of the obtained results made it possible to obtain a picture of the distribution of extreme values of excess and rarefied air pressure depending on the distance from the track axis and the height above the level of the rail head for various types of rolling stock. Based on the obtained distribution pattern, the degree of decrease in the intensity of the air wave from the passing train is determined depending on the distance from the axis of the track. The periodic nature of the aerodynamic impact caused by the presence of gaps between cars was also revealed, and its frequencies for different speeds of movement were determined.The results presented in this paper can subsequently be used to verify the developed computational models of the aerodynamic impact of moving high-speed trains on infrastructure elements.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>аэродинамика</kwd><kwd>железнодорожный транспорт</kwd><kwd>высокоскоростное сообщение</kwd><kwd>экспериментальные измерения</kwd></kwd-group><kwd-group xml:lang="en"><kwd>aerodynamics</kwd><kwd>railway transport</kwd><kwd>high-speed communication</kwd><kwd>experimental measurements</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">Чурков Н. А., Битюцкий А. А., Кручек В. А. Влияние воздушной среды на поезд // Проблематика транспортных систем. 2013. № 2. 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(In Russ.).</mixed-citation></citation-alternatives></ref></ref-list><fn-group><fn fn-type="conflict"><p>The authors declare that there are no conflicts of interest present.</p></fn></fn-group></back></article>
