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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">RUDN Journal of Engineering Research</journal-id><journal-title-group><journal-title xml:lang="en">RUDN Journal of Engineering Research</journal-title><trans-title-group xml:lang="ru"><trans-title>Вестник Российского университета дружбы народов. Серия: Инженерные исследования</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2312-8143</issn><issn publication-format="electronic">2312-8151</issn><publisher><publisher-name xml:lang="en">Peoples’ Friendship University of Russia named after Patrice Lumumba (RUDN University)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">33694</article-id><article-id pub-id-type="doi">10.22363/2312-8143-2022-23-4-322-335</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Interference of swirling flow with longitudinal stream</article-title><trans-title-group xml:lang="ru"><trans-title>Сопряжения закрученного потока с продольным течением</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6900-2704</contrib-id><name-alternatives><name xml:lang="en"><surname>Orekhov</surname><given-names>Genrikh V.</given-names></name><name xml:lang="ru"><surname>Орехов</surname><given-names>Генрих Васильевич</given-names></name></name-alternatives><bio xml:lang="en"><p>Doctor of Engineering Science, Professor of the Hydraulics and Hydraulic Engineering Department</p></bio><bio xml:lang="ru"><p>доктор технических наук, профессор кафедры гидравлики и гидротехнического строительства</p></bio><email>orehov_genrih@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8075-9487</contrib-id><name-alternatives><name xml:lang="en"><surname>Shchesnyak</surname><given-names>Leonid E.</given-names></name><name xml:lang="ru"><surname>Щесняк</surname><given-names>Леонид Евгеньевич</given-names></name></name-alternatives><bio xml:lang="en"><p>Director of the Additive and Edge Technology Center, Institute of Innovative Engineering Technologies</p></bio><bio xml:lang="ru"><p>директор центра аддитивных и порубежных технологий, Институт инновационных инженерных технологий</p></bio><email>shchesnyak-le@rudn.ru</email><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Moscow State University of Civil Engineering (National Research University)</institution></aff><aff><institution xml:lang="ru">Национальный исследовательский Московский государственный строительный университет</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Peoples’ Friendship University of Russia (RUDN University)</institution></aff><aff><institution xml:lang="ru">Российский университет дружбы народов</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2022-12-31" publication-format="electronic"><day>31</day><month>12</month><year>2022</year></pub-date><volume>23</volume><issue>4</issue><issue-title xml:lang="en">VOL 23, NO4 (2022)</issue-title><issue-title xml:lang="ru">ТОМ 23, №4 (2022)</issue-title><fpage>322</fpage><lpage>335</lpage><history><date date-type="received" iso-8601-date="2023-02-28"><day>28</day><month>02</month><year>2023</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2022, Orekhov G.V., Shchesnyak L.E.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2022, Орехов Г.В., Щесняк Л.Е.</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="en">Orekhov G.V., Shchesnyak L.E.</copyright-holder><copyright-holder xml:lang="ru">Орехов Г.В., Щесняк Л.Е.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by-nc/4.0/legalcode</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.rudn.ru/engineering-researches/article/view/33694">https://journals.rudn.ru/engineering-researches/article/view/33694</self-uri><abstract xml:lang="en"><p style="text-align: justify;">In the practice of designing and operating hydraulic and water management facilities, the issues of flow interference are of paramount importance, since they require close attention to the effect of various currents and jets on the coastal infrastructure of water bodies. A complex flow in the form of a submerged jet, which is formed by the interference of a circulating longitudinal (swirling) flow with a water body having a relative longitudinal flow velocity, was studied. The investigation was carried out using mathematical and physical modeling. To perform laboratory experiments, a test bench with a model for obtaining swirling flow and a longitudinal stream, which was formed in a hydraulic flume, was created. The numerical experiment was carried out using ANSYS (Fluent) software. The fields and velocity distributions of the resulting flow were obtained. The most favourable one in terms of hydrodynamic impact on the coastal infrastructure was chosen. The accuracy of numerical computation is evaluated by comparing with the results of the physical experiment.</p></abstract><trans-abstract xml:lang="ru"><p style="text-align: justify;">В практике проектирования и эксплуатации гидротехнических и водохозяйственных объектов вопросы сопряжения потоков зачастую приобретают первостепенный характер, поскольку требуют внимательного подхода к воздействию на береговую инфраструктуру водных объектов и их сооружений со стороны различного рода течений и струй. Изучено сложное течение в виде затопленной струи, образованной сопряжением циркуляционно-продольного (закрученного) потока с массивом воды, имеющим относительную продольную скорость течения. Исследования проводились посредством математического и физического моделирования. Для выполнения лабораторных экспериментов создан испытательный стенд с моделью для получения циркуляционно-продольного потока и потока с продольной скоростью течения, который формировался в гидравлическом лотке. Численный эксперимент проведен в программном комплексе ANSYS (Fluent). Получены поля и распределения скоростей результирующего течения. Сделан выбор в пользу наиболее благоприятного в плане гидродинамического воздействия на береговую инфраструктуру. Дана оценка точности расчетов численным методом на основе сравнения с результатами физического эксперимента.</p></trans-abstract><kwd-group xml:lang="en"><kwd>simulation</kwd><kwd>circulating longitudinal flow</kwd><kwd>swirl</kwd><kwd>flow velocity</kwd><kwd>submerged jet</kwd><kwd>numerical experiment</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>моделирование</kwd><kwd>циркуляционно-продольное течение</kwd><kwd>завихритель</kwd><kwd>скорость потока</kwd><kwd>затопленная струя</kwd><kwd>численный эксперимент</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Rasskazov LN, Orekhov VG, Aniskin NA. 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