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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Vestnik of Samara State Technical University. Technical Sciences Series</journal-id><journal-title-group><journal-title xml:lang="en">Vestnik of Samara State Technical University. Technical Sciences Series</journal-title><trans-title-group xml:lang="ru"><trans-title>Вестник Самарского государственного технического университета. Серия «Технические науки»</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1991-8542</issn><issn publication-format="electronic">2712-8938</issn><publisher><publisher-name xml:lang="en">Samara State Technical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">21339</article-id><article-id pub-id-type="doi">10.14498/tech.2019.2.%u</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Electrical Engineering</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Электротехника</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Numerical mathematical model demagnetization of rails in rail welding production</article-title><trans-title-group xml:lang="ru"><trans-title>Численная математическая модель размагничивания рельсов в рельсосварочном производстве</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Khristinich</surname><given-names>A. R.</given-names></name><name xml:lang="ru"><surname>Христинич</surname><given-names>А. Р.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>Info@eco-vector.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Khristinich</surname><given-names>R. M.</given-names></name><name xml:lang="ru"><surname>Христинич</surname><given-names>Р. М.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>Info@eco-vector.com</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Khristinich</surname><given-names>E. V.</given-names></name><name xml:lang="ru"><surname>Христинич</surname><given-names>Е. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>Info@eco-vector.com</email><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Krasnoyarsk Institute of Railway Transport branch of the Irkutsk State University of Communications</institution></aff><aff><institution xml:lang="ru">Красноярский институт железнодорожного транспорта</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Krasnoyarsk State Agrarian University</institution></aff><aff><institution xml:lang="ru">Красноярский государственный аграрный университет</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2019-06-15" publication-format="electronic"><day>15</day><month>06</month><year>2019</year></pub-date><volume>27</volume><issue>2</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>136</fpage><lpage>147</lpage><history><date date-type="received" iso-8601-date="2020-03-06"><day>06</day><month>03</month><year>2020</year></date><date date-type="accepted" iso-8601-date="2020-03-06"><day>06</day><month>03</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2019, Khristinich A.R., Khristinich R.M., Khristinich E.V.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2019, Христинич А.Р., Христинич Р.М., Христинич Е.В.</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="en">Khristinich A.R., Khristinich R.M., Khristinich E.V.</copyright-holder><copyright-holder xml:lang="ru">Христинич А.Р., Христинич Р.М., Христинич Е.В.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.eco-vector.com/1991-8542/article/view/21339">https://journals.eco-vector.com/1991-8542/article/view/21339</self-uri><abstract xml:lang="en"><p>A three-dimensional numerical mathematical model is considered for studying the effectiveness of rail lash demagnetization in rail welding production. The main assumptions for solving the electromagnetic problem of the «inductor-rail» system are presented, the boundary conditions are determined, the current loads of the sources of the electromagnetic field are specified, and the boundary conditions of the problem are determined. The calculation of the electromagnetic field of the model «inductor-rail» is performed in the ANSYS software package. The numerical mathematical model allows to investigate the process of rail demagnetization when exposed to a lower frequency electromagnetic field. The effective parameters and characteristics of the rail demagnetization unit are determined to achieve the greatest effect of rail demagnetization.</p></abstract><trans-abstract xml:lang="ru"><p>Рассмотрена трехмерная численная математическая модель для исследования эффективности размагничивания рельсовых плетей в рельсосварочном производстве. Представлены основные допущения при решении электромагнитной задачи системы «индуктор - рельс», определены граничные условия, заданы токовые нагрузки источников электромагнитного поля, определены краевые условия задачи. Расчет электромагнитного поля модели «индуктор - рельс» выполняется в программном комплексе ANSYS. Численная математическая модель позволяет исследовать процесс размагничивания рельса при воздействии электромагнитным полем пониженной частоты. Определены эффективные параметры и характеристики установки размагничивания рельсов для достижения наибольшего эффекта размагничивания рельсов.</p></trans-abstract><kwd-group xml:lang="en"><kwd>three-dimensional numerical mathematical model</kwd><kwd>rail demagnetization</kwd><kwd>rail demagnetization device</kwd><kwd>effective parameters</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>трехмерная численная математическая модель</kwd><kwd>размагничивание рельса</kwd><kwd>установка размагничивания рельсов</kwd><kwd>эффективные параметры</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list/></back></article>
