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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">10.21869/2223-1528-2026-16-1-86-96</article-id><article-id custom-type="elpub" pub-id-type="custom">techusgu-404</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>Исследование эксцентриситета капли магнитной жидкости, плавающей в немагнитной жидкости под влиянием магнитного поля</article-title><trans-title-group xml:lang="en"><trans-title>Investigation of the eccentricity of a drop of magnetic fluid floating in a non-magnetic liquid under the influence of a magnetic field</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>Соколов</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Sokolov</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Соколов Евгений Александрович - кандидат физико-математических наук, старший препода ватель кафедры нанотехнологий, микроэлектроники, общей и прикладной физики.</p><p>Ул. 50 лет Октября, д. 94, Курск 305040</p></bio><bio xml:lang="en"><p>Evgeniy A. Sokolov - Candidate of Sciences (Physics and Mathematics), Senior Lecturer of the Department of Nanotechnology, Microelectronics, General and Applied Physics.</p><p>50 Let Oktyabrya Str., 94, Kursk 305040</p></bio><email xlink:type="simple">evgeniysokolov1@yandex.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>Калюжная</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kalyuzhnaya</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Калюжная Дарья Анатольевна - аспирант кафедры нанотехнологий, микроэлектроники, общей и прикладной физики.</p><p>Ул. 50 лет Октября, д. 94, Курск 305040</p></bio><bio xml:lang="en"><p>Dariya A. Kalyuzhnaya - Postgraduate Student of the Department of Nanotechnology, Microelectronics, General and Applied Physics.</p><p>50 Let Oktyabrya Str., 94, Kursk 305040</p></bio><email xlink:type="simple">kalyuzhnaya.dariya@yandex.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>Ширяев</surname><given-names>Д. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Shiryaev</surname><given-names>D. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ширяев Дмитрий Иванович - студент кафедры нанотехнологий, микроэлектроники, общей и прикладной физики.</p><p>Ул. 50 лет Октября, д. 94, Курск 305040</p></bio><bio xml:lang="en"><p>Dmitry I. Shiryaev - Student of the Department of Nanotechnology, Microelectronics, General and Applied Physics.</p><p>50 Let Oktyabrya Str., 94, Kursk 305040</p></bio><email xlink:type="simple">dsiraev611@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>Булгакова</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Bulgakova</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Булгакова Варвара Алексеевна - студент кафедры нанотехнологий, микроэлектроники, общей и прикладной физики.</p><p>Ул. 50 лет Октября, д. 94, Курск 305040</p></bio><bio xml:lang="en"><p>Varvara A. Bulgakova - Student of the Department of Nanotechnology, Microelectronics, General and Applied Physics.</p><p>50 Let Oktyabrya Str., 94, Kursk 305040</p></bio><email xlink:type="simple">bulg-varvara@yandex.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>Маслова</surname><given-names>В. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Maslova</surname><given-names>V. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Маслова Василиса Павловна - студент кафедры нанотехнологий, микроэлектроники, общей и прикладной физики.</p><p>Ул. 50 лет Октября, д. 94, Курск 305040</p></bio><bio xml:lang="en"><p>Vasilisa P. Maslova - Student, Department of Nanotechnology, Microelectronics, General and Applied Physics.</p><p>50 Let Oktyabrya Str., 94, Kursk 305040</p></bio><email xlink:type="simple">pivonapolyy@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>Рязанцева</surname><given-names>М. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Ryazantseva</surname><given-names>M. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Рязанцева Мария Олеговна - студент кафедры нанотехнологий, микроэлектроники, общей и прикладной физики.</p><p>Ул. 50 лет Октября, д. 94, Курск 305040</p></bio><bio xml:lang="en"><p>Maria O. Ryazantseva - Student of the Department of Nanotechnology, Microelectronics, General and Applied Physics.</p><p>50 Let Oktyabrya Str., 94, Kursk 305040</p></bio><email xlink:type="simple">masarazanceva878@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Юго-Западный государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Southwest State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>14</day><month>04</month><year>2026</year></pub-date><volume>16</volume><issue>1</issue><fpage>86</fpage><lpage>96</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Соколов Е.А., Калюжная Д.А., Ширяев Д.И., Булгакова В.А., Маслова В.П., Рязанцева М.О., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Соколов Е.А., Калюжная Д.А., Ширяев Д.И., Булгакова В.А., Маслова В.П., Рязанцева М.О.</copyright-holder><copyright-holder xml:lang="en">Sokolov E.A., Kalyuzhnaya D.A., Shiryaev D.I., Bulgakova V.A., Maslova V.P., Ryazantseva M.O.</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/404">https://techusgu.elpub.ru/jour/article/view/404</self-uri><abstract><sec><title>Цель</title><p>Цель. Детально исследовать гидродинамические параметры капли магнитной жидкости с варьируемой объёмной концентрацией магнитной фазы, во взвешенном состоянии в объёме немагнитной жидкости, под воздействием внешнего магнитного поля с изменяющейся напряжённостью.</p></sec><sec><title>Методы</title><p>Методы. Экспериментальная часть работы выполнена на оригинальной лабораторной установке с использованием стандартного измерительного оборудования. Для измерения величины напряжённости магнитного поля применялся стандартный тесламетр ТПУ-01, оснащённый прецизионным датчиком Холла, что обеспечивало высокую точность регистрации поля в рабочей зоне. Помимо прямых измерений, было проведено компьютерное моделирование пространственной конфигурации магнитного поля в программном комплексе FEMM, интегрированном в среду MATLAB; это позволило детально проанализировать пространственное распределение магнитного поля и выполнить его визуализацию. Обработка видеоданных, фиксирующих динамику деформирующихся капель магнитной жидкости в окружающей немагнитной жидкости, осуществлялась с помощью специализированной программы для анализа изображений Digimizer, которая дала возможность с высокой точностью отслеживать изменение геометрических параметров капли во времени. Полученные экспериментальные данные были интерпретированы с помощью фундаментальных положений физики конденсированного состояния и законов классической и магнитной гидродинамики вязкой жидкости.</p></sec><sec><title>Результаты</title><p>Результаты. Полученные результаты экспериментальных исследований согласуются с результатами численного моделирования, которые описывают изменение формы магнитожидкостной капли, плавающей в немагнитной среде, а также ее эксцентриситета в зависимости от концентрации магнитной фазы магнитной жидкости и величины напряженности магнитного поля, создаваемого соленоидом. Полученные результаты численного моделирования и экспериментальные данные согласуются друг с другом.</p></sec><sec><title>Заключение</title><p>Заключение. Контроль над поведением диспергированных капель магнитной жидкости в немагнитной среде с использованием магнитного поля создает фундамент для новых технологий в микрофлюидике и «мягкой» робототехнике.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Purpose</title><p>Purpose. To investigate in detail the hydrodynamic parameters of a magnetic fluid droplet with a variable volume concentration of the magnetic phase, in a suspended state within a volume of non-magnetic liquid, under the influence of an external magnetic field with varying strength.</p></sec><sec><title>Methods</title><p>Methods. The experimental part of the work was carried out using an original laboratory setup with standard measuring equipment. To measure the magnetic field strength, a standard TPU-01 teslameter equipped with a precision Halleffect sensor was used, ensuring high accuracy of field registration in the working area. In addition to direct measurements, a computer simulation of the spatial configuration of the magnetic field was performed using the FEMM software package integrated into the MATLAB environment; this allowed for a detailed analysis of the spatial distribution of the magnetic field and its visualization. The processing of video data recording the dynamics of deforming magnetic fluid droplets in the surrounding non-magnetic liquid was carried out using specialized image analysis software, Digimizer, which made it possible to track changes in the geometric parameters of the droplet over time with high accuracy. The obtained experimental data were interpreted using fundamental principles of condensed matter physics and the laws of classical and magnetic hydrodynamics of viscous fluids.</p></sec><sec><title>Results</title><p>Results. The results of experimental studies were obtained, which are consistent with the numerical simulation results describing the shape change of a ferrofluid droplet suspended in a non-magnetic medium, as well as its eccentricity, as functions of the magnetic phase concentration in the ferrofluid and the strength of the magnetic field generated by the solenoid. The obtained numerical simulation results and experimental data are in good agreement with each other.</p></sec><sec><title>Conclusion</title><p>Conclusion. The control of the behavior of dispersed droplets of magnetic fluid in a non-magnetic medium using a magnetic field creates the foundation for new technologies in microfluidics and "soft" robotics.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>магнитные жидкости</kwd><kwd>деформация</kwd><kwd>неоднородное магнитное поле</kwd><kwd>соленоид</kwd><kwd>эксцентриситет</kwd></kwd-group><kwd-group xml:lang="en"><kwd>magnetic fluids</kwd><kwd>deformation</kwd><kwd>inhomogeneous magnetic field</kwd><kwd>solenoid</kwd><kwd>eccentricity</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Статья подготовлена в рамках государственного задания на 2026 год №075-03-2026489</funding-statement><funding-statement xml:lang="en">The article was prepared as part of the state assignment for 2026 No. 075-03-2026-489</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Approaches on ferrofluid synthesis and applications: Current status and future perspectives / O. 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