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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">pimi</journal-id><journal-title-group><journal-title xml:lang="ru">Приборы и методы измерений</journal-title><trans-title-group xml:lang="en"><trans-title>Devices and Methods of Measurements</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2220-9506</issn><issn pub-type="epub">2414-0473</issn><publisher><publisher-name>BNTU</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21122/2220-9506-2019-10-3-223-232</article-id><article-id custom-type="elpub" pub-id-type="custom">pimi-448</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>Средства измерений</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Measuring instruments</subject></subj-group></article-categories><title-group><article-title>Измерения гидродинамических и вибрационных характеристик для валидации численных расчетов возбуждения конструкций потоком жидкости</article-title><trans-title-group xml:lang="en"><trans-title>Measurements of the Hydrodynamic and Vibrational Characteristics to Validate Numerical Calculations of the Structure Excitation by Fluid 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>Будников</surname><given-names>А. B.</given-names></name><name name-style="western" xml:lang="en"><surname>Budnikov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"><p>Burnakovsky proezd, 15, Nizhny Novgorod 603074, Russia</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шмелев</surname><given-names>Е. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Shmelev</surname><given-names>E. I.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"><p>Burnakovsky proezd, 15, Nizhny Novgorod 603074, Russia</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Куликов</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kulikov</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"><p>Burnakovsky proezd, 15, Nizhny Novgorod 603074, Russia</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Логинов</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Loginov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Адрес для переписки: А.В. Логинов – Опытное конструкторское бюро машиностроения имени И.И. Африкантова, Бурнаковский проезд, 15, г. Нижний Новгород 603074, Россия    e-mail: loginoff.86@gmail.com</p><p> </p></bio><bio xml:lang="en"><p>Address for correspondence: A.V. Loginov – Afrikantov OKB Mechanical Engineering, Burnakovsky proezd, 15, Nizhny Novgorod 603074, Russia     e-mail: loginoff.86@gmail.com</p></bio><email xlink:type="simple">loginoff.86@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>Дмитриев</surname><given-names>С. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Dmitriev</surname><given-names>S. M.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"/><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Прибатурин</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Pribaturin</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"/><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лобанов</surname><given-names>П. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Lobanov</surname><given-names>P. D.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"><p>Akademician Lavrentiev Ave., 1, Novosibirsk 630090, Russia</p></bio><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Суворов</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Suvorov</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"/><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Стуленков</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Stulenkov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"/><xref ref-type="aff" rid="aff-4"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Опытное конструкторское бюро машиностроения имени И.И. Африкантова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Afrikantov OKB Mechanical Engineering</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Нижегородский государственный технический университет имени Р.Е. Алексеева</institution><country>Россия</country></aff><aff xml:lang="en"><institution>R.E. Alekseev Nizhny Novgorod State Technical Univercity</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Институт теплофизики имени С.С. Кутателадзе Сибирского отделения Российской академии наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>S.S. Kutateladze Institute of Thermophysics, Siberian Division of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Институт прикладной физики Российской академии наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Applied Physics of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>09</day><month>09</month><year>2019</year></pub-date><volume>10</volume><issue>3</issue><fpage>223</fpage><lpage>232</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Будников А.B., Шмелев Е.И., Куликов Д.А., Логинов А.В., Дмитриев С.М., Прибатурин Н.А., Лобанов П.Д., Суворов А.С., Стуленков А.В., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Будников А.B., Шмелев Е.И., Куликов Д.А., Логинов А.В., Дмитриев С.М., Прибатурин Н.А., Лобанов П.Д., Суворов А.С., Стуленков А.В.</copyright-holder><copyright-holder xml:lang="en">Budnikov A.V., Shmelev E.I., Kulikov D.A., Loginov A.V., Dmitriev S.M., Pribaturin N.A., Lobanov P.D., Suvorov A.S., Stulenkov 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://pimi.bntu.by/jour/article/view/448">https://pimi.bntu.by/jour/article/view/448</self-uri><abstract><p>Вибрация конструкций под воздействием нестационарных гидродинамических сил, обусловленных обтеканием потоком поверхностей конструкций, может неблагоприятно сказываться на прочности и усталостной долговечности. Снижение неблагоприятного воздействия гидродинамических сил в настоящее время становится возможным по результатам связанных трехмерных расчетов гидродинамики (CFD) и вибрации. Однако для адекватного описания в связанной задаче определяющих физических процессов должны использоваться специфические именно для задачи гидроупругих колебаний расчетные модели и подходы. Для обоснования и валидации таких подходов разработана экспериментальная модель и выполнена серия исследований процесса возбуждения конструкции потоком воды.</p><p>В качестве конструкции рассматривалась модель, состоящая из двух последовательно установленных цилиндров в поперечном потоке рабочей среды. В процессе испытаний, в зависимости от скорости потока, измерялись уровни вибраций и пульсаций давления в потоке и нестационарных полей скорости. Относительно простая конструкция рассматриваемой модели позволила применить различные бесконтактные системы измерений нестационарных процессов для кроссвалидации получаемых экспериментальных данных и для оценки неопределенностей в процессе испытаний.</p><p>На основании полученных данных синхронных измерений анализировалось взаимное влияние потока и динамики конструкции, обусловленное эффектом синхронизации между частотой срыва (или ее гармониками) и собственной частотой цилиндров. Таким образом, выполненные исследования позволили получить информацию одновременно и о динамических характеристиках потока, и о параметрах, характеризующих вибрацию, для случая консольного закрепления стержней.</p><p>Полученные экспериментальные данные используются для определения требований к точности проведения численных расчетов гидродинамических сил и для валидации однои двусторонне связанных методов численного расчета возбуждений конструкций потоком.</p></abstract><trans-abstract xml:lang="en"><p>Structure vibration under the influence of unsteady hydrodynamic forces caused by the flow around their surfaces can adversely affect durability and rupture life. Reducing the adverse effects of hydrodynamic forces is currently possible with the help of linked CFD and vibration calculations. However, for an adequate description of the associated processes one should use calculation models and approaches specific to the hydro-vibration problem. To justify and validate such approaches, an experimental model was developed and a series of structure excitation tests in water flow was carried out.</p><p>The model comprises two cylinders installed sequentially in water crossflow. Vibration levels, pressure and velocity fluctuations were measured in the tests as a functions of the flow velocity. The application of different non-intrusive measurement techniques was possible due to relatively simple test model construction which may be used for cross-validation and experimental uncertainty quantification.</p><p>Flow-structure interaction, caused by synchronization effect of the flow separation frequency (or it’s spectral components) and eigenfrequency of cylinder, was analyzed based on simultaneously measured data. The tests performed gave the information about dynamical characteristics of the flow and vibration parameters of cantilevered cylinders. The experimental results are used for identification of required accuracy of hydrodynamic forces calculation by CFD and validation of oneand two-way linked methods for flow excitation frequency calculation.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>валидация</kwd><kwd>вибрация</kwd><kwd>PIV и LDV методы</kwd><kwd>лазерный виброметр</kwd><kwd>собственная частота</kwd></kwd-group><kwd-group xml:lang="en"><kwd>validation</kwd><kwd>vibration</kwd><kwd>PIV</kwd><kwd>LDV</kwd><kwd>laser vibration meter</kwd><kwd>eigenfrequency</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">Pettigrew M., Taylor C., Fisher N., Yetisir M., Smith В.A.W. Flow-induced vibration: recent findings and open questions. Nuclear Engineering and Design, 1998, vol. 185, pp. 249–276. 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