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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">hydrophysics</journal-id><journal-title-group><journal-title xml:lang="ru">Фундаментальная и прикладная гидрофизика</journal-title><trans-title-group xml:lang="en"><trans-title>Fundamental and Applied Hydrophysics</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2073-6673</issn><issn pub-type="epub">2782-5221</issn><publisher><publisher-name>St. Petersburg Research Center of the Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">hydrophysics-952</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>ФУНДАМЕНТАЛЬНЫЕ ВОПРОСЫ ГИДРОФИЗИКИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>FUNDAMENTAL ISSUES OF HYDROPHYSICS</subject></subj-group></article-categories><title-group><article-title>Экспериментальное исследование волнового гравитационного течения в канале</article-title><trans-title-group xml:lang="en"><trans-title>Experimental research of the gravitational wave channel flow</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>Васильев</surname><given-names>А. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Vasiliev</surname><given-names>A. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Санкт-Петербург</p></bio><email xlink:type="simple">stormspeller@gmail.com</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>Терешкин</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Tereshkin</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Санкт-Петербург</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>Санкт-Петербургский Государственный морской технический университет</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2010</year></pub-date><pub-date pub-type="epub"><day>27</day><month>11</month><year>2022</year></pub-date><volume>0</volume><issue>1</issue><fpage>59</fpage><lpage>63</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Васильев А.Д., Терешкин А.А., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Васильев А.Д., Терешкин А.А.</copyright-holder><copyright-holder xml:lang="en">Vasiliev A.D., Tereshkin A.A.</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://hydrophysics.spbrc.ru/jour/article/view/952">https://hydrophysics.spbrc.ru/jour/article/view/952</self-uri><abstract><p>Дано описание опыта, проведенного на базе гидродинамической лаборатории СПбГМТУ, по исследованию волновых и турбулентных процессов, происходящих в канале при внезапном разрушении перемычки, разделяющей в начальный момент времени две жидкости разной плотности, находящиеся в канале. Происходящие в канале процессы были зафиксированы на цифровую фотокамеру. Была произведена оценка скорости распространения волны, а также чисел Рейнольдса (Re) и Фруда (Fr).</p></abstract><trans-abstract xml:lang="en"><p>This paper describes a research of wave and turbulent processes in the channel to the sudden destruction of bridges, which separates the initial time two liquids of different densities in the channel are made in the laboratory Department of fluid mechanics and marine acoustics of St. Petersburg State Marine Technical University. Processes taking place in the channel were recorded on a digital camera. The resulting video was divided into frames and the most interesting moments were represented. Evaluation of wave propagation velocity, the Reynolds number and Froude number was produced.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>внутренние волны</kwd><kwd>устойчивая и неустойчивая стратификация</kwd><kwd>визуализация волнового движения</kwd><kwd>приближение Буссинеска</kwd></kwd-group><kwd-group xml:lang="en"><kwd>internal waves</kwd><kwd>stable and unstable stratification</kwd><kwd>visualization of the wave motion</kwd><kwd>the Boussinesq approximation</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">Lowe R.J., Rottman J.W., Linden P.F. The non-Boussinesq lock-exchange problem. Theory and experiments // J. Fluid Mech. 2005. V.537. P.101–124.</mixed-citation><mixed-citation xml:lang="en">Lowe R.J., Rottman J.W., Linden P.F. The non-Boussinesq lock-exchange problem. Theory and experiments // J. Fluid Mech. 2005. V.537. 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