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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">mireabulletin</journal-id><journal-title-group><journal-title xml:lang="ru">Russian Technological Journal</journal-title><trans-title-group xml:lang="en"><trans-title>Russian Technological Journal</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2782-3210</issn><issn pub-type="epub">2500-316X</issn><publisher><publisher-name>RTU MIREA</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.32362/2500-316X-2021-9-5-36-44</article-id><article-id custom-type="elpub" pub-id-type="custom">mireabulletin-366</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>МИКРО- И НАНОЭЛЕКТРОНИКА. ФИЗИКА КОНДЕНСИРОВАННОГО СОСТОЯНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MICRO- AND NANOELECTRONICS. CONDENSED MATTER PHYSICS</subject></subj-group></article-categories><title-group><article-title>К модели поцепочного намагничивания гранулированной среды: вариант магнитной диагностики цепочек шаров</article-title><trans-title-group xml:lang="en"><trans-title>Towards a model of chain-by-chain magnetization of a granular medium: a variant of magnetic diagnostics of chains of spheres</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5111-6092</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сандуляк</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Sandulyak</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сандуляк Анна Александровна, д.т.н., профессор, кафедра «Приборы и информационно-измерительные системы» Института комплексной безопасности и специального приборостроения, </p><p>119454, Москва, пр-т Вернадского, д. 78</p><p>Scopus Author ID 7004032043</p></bio><bio xml:lang="en"><p>Anna A. Sandulyak, Dr. Sci. (Eng.), Professor, Department of Instruments and Information-Measuring Systems, Institute of Integrated Safety and Special Instrument Engineering</p><p>78, Vernadskogo pr., Moscow, 119454 </p><p>Scopus Author ID 7004032043</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4269-6133</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сандуляк</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Sandulyak</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сандуляк Дарья Александровна, к.т.н., с.н.с., лаборатория магнитного контроля и разделения материалов</p><p>119454,  Москва, пр-т Вернадского, д. 78</p><p>Scopus Author ID 36621369400</p><p> </p></bio><bio xml:lang="en"><p>Daria A. Sandulyak, Cand. Sci. (Eng.), Senior Science Master, Laboratory of Magnetic Control and Material’s Separation</p><p>78, Vernadskogo pr., Moscow, 119454 </p><p>Scopus Author ID 36621369400</p></bio><email xlink:type="simple">d.sandulyak@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>Горпиненко</surname><given-names>Ю. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Gorpinenko</surname><given-names>Yu. О.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Горпиненко Юрий Олегович, аспирант, кафедра «Приборы и информационно-измерительные системы» Института комплексной безопасности и специального приборостроения</p><p>119454, Москва, пр-т Вернадского, д. 78</p></bio><bio xml:lang="en"><p>Yurij O. Gorpinenko, Postgraduate Student, Department of Instruments and Information-Measuring Systems, Institute of Integrated Safety and Special Instrument Engineering </p><p>78, Vernadskogo pr., Moscow, 119454 </p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8210-4721</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ершова</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Ershova</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ершова Вера Александровна, к.т.н., с.н.с., лаборатория магнитного контроля и разделения материалов</p><p>119454, Москва, пр-т Вернадского, д. 78</p><p>Scopus Author ID 36771249600</p></bio><bio xml:lang="en"><p>Vera A. Ershova, Cand. Sci. (Eng.), Associate Professor, Senior Science Master, Laboratory of Magnetic Control and Material’s Separation</p><p>78, Vernadskogo pr., Moscow, 119454 </p><p>Scopus Author ID 36771249600</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7605-2702</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сандуляк</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Sandulyak</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сандуляк Александр Васильевич, д.т.н., профессор, кафедра «Приборы и информационно-измерительные системы» Института комплексной безопасности и специального приборостроения</p><p>119454, Москва, пр-т Вернадского, д. 78</p><p>Scopus Author ID 57194504434</p></bio><bio xml:lang="en"><p>Alexander V. Sandulyak, Dr. Sci. (Eng.), Professor, Department of Instruments and Information-Measuring systems, Institute of Integrated Safety and Special Instrument Engineering</p><p>78, Vernadskogo pr., Moscow, 119454 </p><p>Scopus Author ID 57194504434</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО «МИРЭА – Российский технологический университет»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>MIREA – Russian Technological University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>25</day><month>10</month><year>2021</year></pub-date><volume>9</volume><issue>5</issue><fpage>36</fpage><lpage>44</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Сандуляк А.А., Сандуляк Д.А., Горпиненко Ю.О., Ершова В.А., Сандуляк А.В., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Сандуляк А.А., Сандуляк Д.А., Горпиненко Ю.О., Ершова В.А., Сандуляк А.В.</copyright-holder><copyright-holder xml:lang="en">Sandulyak A.A., Sandulyak D.A., Gorpinenko Y.О., Ershova V.A., Sandulyak 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://www.rtj-mirea.ru/jour/article/view/366">https://www.rtj-mirea.ru/jour/article/view/366</self-uri><abstract><p>Кроме информации о магнитных параметрах неоднородных, в частности гранулированных, магнетиков, обычно изучаемых в рамках модели квазисплошной среды, не меньший интерес представляет получение информации с позиций модели, когда объект изучения – характерные элементы неоднородного магнетика. Согласно хорошо зарекомендовавшей себя модели избирательного намагничивания гранулированной среды такими элементами, из которых состоит эта среда, являются цепочки гранул – прямые и извилистые, всегда проявляющие себя в направлении ее намагничивания. Они выполняют функцию про-водников-каналов генерируемого магнитного потока сквозь гранулированную среду, вследствие чего она представляет собой своеобразный разветвленный «жгут» проводников-каналов. Для любой же из цепочек гранул, например, гранул-шаров радиусом R концептуально значимыми являются магнитные параметры ее условных сердцевин радиусом r ≤ R. Эти параметры, прежде всего, магнитная проницаемость квазисплошных сердцевин и магнитная индукция в них, для разных (по r) сердцевин вариабельны, что требует соответствующей магнитной диагностики. Для выяснения магнитных параметров условных сердцевин цепочки гранул-шаров как физически самодостаточного элемента гранулированной среды (т.е. в соответствии с моделью поцепочного намагничивания такой среды), измерительные датчики магнитного потока в сердцевине практично выполнять в виде круговых датчиков, окружающих точку контакта гранул-шаров, но не традиционных петель из провода, а контуров на тонких печатных платах с посадочными отверстиями, помещаемых между смежными шарами. На основании полученных данных магнитного потока в разных по радиусу r сердцевинах (r/R = 0.2−0.9) цепочки шаров радиусом R = 20 мм определены значения магнитной индукции B в них, а также их магнитной проницаемости μ при намагничивании цепочки в соленоиде полем напряженностью от 4.8 до 54.5 кА/м. Показано, что при формальном утолщении сердцевин значения Bи μ снижаются ввиду уменьшения объема ферромагнетика в сердцевине, а для предельной сердцевины (r/R → 1), т.е. для цепочки в целом они ожидаемо соответствуют значениям B и μ для полишаровой среды-засыпки. </p></abstract><trans-abstract xml:lang="en"><p>In addition to information on the magnetic parameters of inhomogeneous magnetics, in particular, granular magnetics usually studied within the framework of the quasi-continuous medium model, it is of no less interest to obtain information from the standpoint of the model, when the object of study is the characteristic elements of an inhomogeneous magnetic. According to the well-proven model of selective magnetization of a granular medium, the elements that make up this medium are chains of granules – straight and sinuous, always manifesting themselves in the direction of its magnetization. They perform the function of conductor channels of the generated magnetic flux through the granular medium. As a result, it is a kind of branched «bundle» of conductor channels. For any of the chains of granules, for example, granules-balls of radius R, conceptually significant are the magnetic parameters of its conditional cores with radius r ≤ R, and these parameters, first of all, the magnetic permeability of quasi-continuous cores and magnetic induction in them, for different (in r) cores are variable, which requires appropriate magnetic diagnostics. To clarify the magnetic parameters of the conditional cores of a chain of granules-balls, as a physically self-sufficient element of a granular medium (i.e., in accordance with the model of chain-link magnetization of such a medium), it is practical to make measuring magnetic flux sensors in the core as circular sensors surrounding the contact point of granules-balls, however, not as traditional wire loops, but as circuits on thin printed circuit boards (with mounting holes) placed between adjacent balls. Based on the obtained data of the magnetic flux in cores of different radii r (r/R = 0.2–0.9) of a chain of spheres with a radius of R = 20 mm, the values of the magnetic induction B in them, as well as their magnetic permeability μ, were determined when the chain is magnetized in the solenoid by a field of strength from 4.8 to 54.5 kA/m. It is shown that with formal thickening of the cores, the values of B and μ decrease due to a decrease in the volume of the ferromagnet in the core, and for the limiting core (r/R → 1), i.e., for the chain as a whole, they correspond to the values of B and μ for a poly-ball backfill medium.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>намагничивание цепочки шаров</kwd><kwd>условные сердцевины</kwd><kwd>контуры-датчики магнитного потока</kwd><kwd>магнитная индукция и проницаемость</kwd></kwd-group><kwd-group xml:lang="en"><kwd>magnetization of a chain of spheres</kwd><kwd>conditional cores</kwd><kwd>contours-sensors of magnetic flux</kwd><kwd>magnetic induction and permeability</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">Mishima F., Terada T., Akiyama Y., Izumi Y., Okazaki H., Nishijima S. 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