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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">techusgu</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Юго-Западного государственного университета. Серия: Техника и технологии</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the Southwest State University. Series: Engineering and Technology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2223-1528</issn><publisher><publisher-name>Юго-Западный государственный университет</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21869/2223-1528-2023-13-3-117-127</article-id><article-id custom-type="elpub" pub-id-type="custom">techusgu-169</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>ФИЗИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PHYSICS</subject></subj-group></article-categories><title-group><article-title>О влиянии поверхностного электрического заряда на закономерности формирования ряби Фарадея на поверхности маловязкой жидкости</article-title><trans-title-group xml:lang="en"><trans-title>On the Influence of the Surface Electric Charge on the Regularities of the Formation of Faraday Ripples on the Surface of a Low-Viscosity Liquid</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0009-0356-7823</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Белоножко</surname><given-names>Д. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Belonozhko</surname><given-names>D. F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Белоножко Дмитрий Федорович, доктор физико-математических наук, профессор кафедры микроэлектроники и общей физикиResearcher ID: JCE-6889-2023 </p><p>ул. Советская, д. 14, г. Ярославль 150003, Российская Федерация </p></bio><bio xml:lang="en"><p>Dmitry F. Belonozhko, Doctor of Sciences (Physical and Mathematical), Professor of the Department of Microelectronics and General PhysicsResearcher ID: JCE-6889-2023 </p><p>14 Sovetskya Str., Yaroslavl 150003, Russian Federation </p></bio><email xlink:type="simple">belonozhko@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Ярославский государственный университет им. П. Г. Демидова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>P. G. Demidov Yaroslavl State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>29</day><month>09</month><year>2023</year></pub-date><volume>13</volume><issue>3</issue><fpage>117</fpage><lpage>127</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Белоножко Д.Ф., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Белоножко Д.Ф.</copyright-holder><copyright-holder xml:lang="en">Belonozhko D.F.</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://techusgu.elpub.ru/jour/article/view/169">https://techusgu.elpub.ru/jour/article/view/169</self-uri><abstract><p>Целью исследования является анализ влияния поверхностного электрического заряда на условия возникновения ряби Фарадея на горизонтальной поверхности маловязкой жидкости, находящейся в вибрационном поле.Методы. Задача решена аналитически в пределе малой амплитуды искажений свободной поверхности жидкости. Финальное соотношение выведено при условии малости диссипации. Жидкость считалась идеально проводящей с поверхностно распределенным электрическим зарядом.Результаты. Построено простое аналитическое выражение, количественно описывающее эффект подавления ряби Фарадея при увеличении поверхностной плотности электрического заряда. Показано, что увеличение поверхностной плотности электрического заряда существенно увеличивает пороговое значение амплитуды вибрационного поля, превышение которого приводит к образованию ряби. Пороговое значение амплитуды вибраций пропорционально вязкости жидкости и зависит от её плотности, коэффициента поверхностного натяжения и характерного горизонтального масштаба ряби.Заключение. Рябь Фарадея, образующаяся на поверхности жидкости в вертикально осциллирующем контейнере, весьма чувствительна к величине поверхностной плотности электрического заряда. При увеличении поверхностной плотности заряда образование ряби подавляется. Обнаруженный эффект может быть использован для предотвращения появления паразитных конвективных течений, возникающих в жидких слоях, находящихся в вибрационных полях. Физический механизм подавления ряби Фарадея – соперничество двух качественно различных типов течений вблизи поверхности жидкости. Увеличение поверхностной плотности заряда изменяет баланс поверхностных сил таким образом, чтобы содействовать появлению апериодических и подавлять колебательные движения и циклические течения. В частности, подавляются колебательные движения, отвечающие за развитие неустойчивости Фарадея, вызванной вертикальными вибрациями контейнера с жидкостью.</p></abstract><trans-abstract xml:lang="en"><p>The purpose of the study is to analyze the effect of a surface electric charge on the formation conditions of the Faraday ripples on a horizontal surface of a low-viscosity liquid in a vibration field.Methods. The problem is solved analytically in the limit of small amplitude deformation of the free surface of the liquid. The final relation is derived under the condition that the dissipation is small. The liquid was considered ideally conductive with a surface-distributed electric charge. Results. A simple analytical expression is derived that quantitatively describes the effect of suppression of the Faraday ripple if the surface density of the electric charge increases. It is shown that the increase in the surface density of the electric charge significantly enlarge the threshold value of the vibration field amplitude, the excess of which leads to the formation of ripples. The threshold value of the vibration amplitude is proportional to the viscosity of the liquid and depends on its density, surface tension coefficient and the specific horizontal scale of the ripple.Conclusion. The Faraday’s ripple formed on the surface of a liquid in a vertically oscillating container is very sensitive to the value of the surface density of the electric charge. An increase of the surface charge density leads to suppression of the ripple formation. The effect can be used to prevent the appearance of parasitic convective flows that arise in liquid layers placed in vibration fields. The physical mechanism of Faraday ripple suppression is the rivalry between two qualitatively different types of flows near the liquid surface. Increasing the surface charge density changes the balance of surface forces in such a way as to promote the appearance of aperiodic motions and suppress oscillatory ones. In particular, oscillatory motions responsible for the development of Faraday instability caused by vertical vibrations of the liquid container are suppressed.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>параметрические колебания</kwd><kwd>свободная поверхность</kwd><kwd>капиллярные силы</kwd><kwd>вязкая жидкость</kwd><kwd>заряженная поверхность</kwd></kwd-group><kwd-group xml:lang="en"><kwd>parametric oscillations</kwd><kwd>free surface</kwd><kwd>capillary forces</kwd><kwd>viscous liquid</kwd><kwd>charged surface</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">Faraday M. XVII. On a peculiar class of acoustical figures; and on certain forms assumed by groups of particles upon vibrating elastic surfaces // Philosophical transactions of the Royal Society of London. 1831. No. 121. P. 299–340.</mixed-citation><mixed-citation xml:lang="en">Faraday M. XVII. 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