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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">10.21122/2220-9506-2021-12-1-38-45</article-id><article-id custom-type="elpub" pub-id-type="custom">pimi-698</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>Разработка конструкции исполнительного оборудования, реализующего процесс генерации капель микро- и нанодиапазона</article-title><trans-title-group xml:lang="en"><trans-title>Development of Executive Equipment Design for Implementing the Process of Generating of Drops of Microand Nanoscale Range</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>Кузнецов</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuznetsov</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ул. Ленинградская, 26, г. Юрга 652055</p></bio><bio xml:lang="en"><p>Leningradskaya str., 26, Yurga 652055</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>Ильященко</surname><given-names>Д. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Ilyaschenko</surname><given-names>D. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Адрес для переписки: Ильященко Д.П. – Юргинский технологический институт (филиал) Национального исследовательского Томского политехнического университета, ул. Ленинградская, 26, г. Юрга 652055, Россия</p><p>e-mail: mita8@rambler.ru</p></bio><bio xml:lang="en"><p>Address for correspondence: Ilyaschenko D.P –  Yurga Institute of Technology National Research Tomsk Polytechnic University, Leningradskaya st., 26, 652055, Yurga, Russia</p><p> e-mail: mita8@rambler.ru</p></bio><email xlink:type="simple">mita8@rambler.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Крюков</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kryukov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ул. Ленинградская, 26, г. Юрга 652055</p></bio><bio xml:lang="en"><p>Leningradskaya str., 26, Yurga 652055</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>Солодский</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Solodsky</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ул. Ленинградская, 26, г. Юрга 652055</p></bio><bio xml:lang="en"><p>Leningradskaya str., 26, Yurga 652055</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>Лаврова</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Lavrova</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ул. Университетская, 7, г. Мариуполь 87500</p></bio><bio xml:lang="en"><p>Universitetska str., 7, Mariupol 87500</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>Верхотурова</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Verkhoturova</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ул. Лермонтова, 83, г. Иркутск 664074</p></bio><bio xml:lang="en"><p>Lermontova str., 83, Irkutsk 664074</p></bio><xref ref-type="aff" rid="aff-4"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Юргинский технологический институт (филиал) Национального исследовательского Томского политехнического университета</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Yurga Institute of Technology National Research Tomsk Polytechnic University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Юргинский технологический институт (филиал) Национального исследовательского Томского политехнического университета; &#13;
Институт физики прочности и материаловедения Сибирского отделения Российской академии наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Yurga Institute of Technology National Research Tomsk Polytechnic University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Приазовский государственный технический университет</institution><country>Украина</country></aff><aff xml:lang="en"><institution>Priazovskyi State Technical University</institution><country>Ukraine</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Иркутский национальный исследовательский технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Irkutsk National Research Technical 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>19</day><month>03</month><year>2021</year></pub-date><volume>12</volume><issue>1</issue><fpage>38</fpage><lpage>45</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кузнецов М.А., Ильященко Д.П., Крюков А.В., Солодский С.А., Лаврова Е.В., Верхотурова Е.В., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Кузнецов М.А., Ильященко Д.П., Крюков А.В., Солодский С.А., Лаврова Е.В., Верхотурова Е.В.</copyright-holder><copyright-holder xml:lang="en">Kuznetsov M.A., Ilyaschenko D.P., Kryukov A.V., Solodsky S.A., Lavrova E.V., Verkhoturova E.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/698">https://pimi.bntu.by/jour/article/view/698</self-uri><abstract><p>Моделирование процессов распределения скоростей и температур в плазмообразующем канале, определение конструктивных особенностей и оптимальных параметров сопла плазмотрона является одним из перспективных направлений в развитии плазменных технологий. Целью данной работы являлось моделирование процессов распределения скоростей и температур в плазмообразующем канале и определение конструктивных особенностей и оптимальных геометрических параметров сопла плазмотрона, которое должно обеспечивать формирование необходимых направлений плазменных потоков для образования на поверхности капли жидкого металла поверхностных волн под действием исследуемых неустойчивостей.</p><p>Одной из главных задач является рассмотрение процесса формирования плазменной струи и течения электродуговой плазмы. Для получения мелкоразмерных частиц одним из главных параметров является скорость течения плазмы. Необходимо, чтобы скорость истечения плазмы была близка к сверхзвуковой. Увеличение скорости до сверхзвуковой возможно добиться за счёт конструкции сопла плазмотрона, а именно конструктивной особенностью и размерами газового канала, в котором образуется плазма. Также при моделировании учитывались размеры сопла плазмотрона, т. е. устройство должно обеспечивать сверхзвуковое течение плазмы при возможно меньших геометрических размерах.</p><p>В результате исследований получены модели процессов распределения скоростей и температур в плазмообразующем канале при минимальных и максимальных диаметрах канала. Определены конструктивные особенности и оптимальные геометрические параметры сопла плазмотрона: диаметр на входе 3 мм, диаметр выходной 2 мм.</p><p>Разработана и спроектирована конструкция исполнительного оборудования, реализующая исследуемый процесс генерации капель микро- и наноразмерного диапазона. Изготовлено сопло плазмотрона, формирующее необходимые направления плазменных потоков для образования на поверхности капли жидкого металла поверхностных волн под действием исследуемых неустойчивостей. Разработан алгоритм управления исполнительным оборудованием, реализующем процесс генерации капель микро- и наноразмерного диапазона.</p></abstract><trans-abstract xml:lang="en"><p>Modeling of velocities and temperatures processes distribution in the plasma-forming channel determining the design features and optimal parameters of the plasma torch nozzle is one of promising directions in development of plasma technologies. The aim of this work was to simulate the processes of velocities and temperature distribution in the plasma-forming channel and to determine the design features and optimal geometric parameters of the plasmatron nozzle  which  ensures  the  formation  of  necessary  direction  of  plasma  flows for generation of surface waves on the surface of a liquid metal droplet under the influence of the investigated instabilities.</p><p>One of the main tasks is to consider the process of plasma jet formation and the flow of electric arc plasma. For obtaining small-sized particles one of the main parameters is the plasma flow  velocity.  It  is necessary that the plasma outflow velocity be close to supersonic. An increase of  the  supersonic  speed  is possible due to design of the plasmatron nozzle especially the design feature and dimensions of the gas channel in which the plasma is formed. Also the modeling took into account dimensions of the plasma torch nozzle, i. e. the device should provide a supersonic plasma flow with the smallest possible geometric dimensions.</p><p>As a result models of velocities and temperatures distribution in the plasma-forming channel at the minimum and maximum diameters of the channel were obtained. The design features and optimal geometric parameters of the plasmatron have been determined: the inlet diameter is 3 mm, the outlet diameter is 2 mm.</p><p>The design of the executive equipment has been developed and designed which implements the investigated process of generating droplets of the micro- and nanoscale range. A plasmatron nozzle was manufactured which forms the necessary directions of plasma flows for the formation of surface waves on the metal droplet surface under the influence of instabilities. An algorithm has been developed for controlling of executive equipment that implements the process of generating drops of micro- and nanoscale range.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>моделирование</kwd><kwd>плазма дуги</kwd><kwd>сопло плазмотрона</kwd><kwd>геометрические параметры</kwd><kwd>алгоритм управления</kwd></kwd-group><kwd-group xml:lang="en"><kwd>modeling</kwd><kwd>arc plasma</kwd><kwd>plasma torch nozzle</kwd><kwd>geometric parameters</kwd><kwd>control algorithm</kwd></kwd-group><funding-group><funding-statement xml:lang="en">The study was performed by a grant from the Russian Science Foundation (Project № 18-79-10035).</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">Chinakhov D.A., Vorobjev A.V., Tomchik A.A. Simulation of Active Shielding Gas Impact on Heat Distribution in the Weld Zone. 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