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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">izmertech</journal-id><journal-title-group><journal-title xml:lang="ru">Измерительная техника</journal-title><trans-title-group xml:lang="en"><trans-title>Izmeritel`naya Tekhnika</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0368-1025</issn><issn pub-type="epub">2949-5237</issn><publisher><publisher-name>ФГУП "ВНИИФТРИ"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.32446/0368-1025it.2020-9-43-49</article-id><article-id custom-type="elpub" pub-id-type="custom">izmertech-1837</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>МЕХАНИЧЕСКИЕ ИЗМЕРЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MECHANICAL MEASUREMENTS</subject></subj-group></article-categories><title-group><article-title>Бесконтактное пневмоэлектрическое устройство для измерений вязкости жидкостей</article-title><trans-title-group xml:lang="en"><trans-title>A non-contact pneumoelectric device for liquid viscosity measurement</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>Савенков</surname><given-names>А. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Savenkov</surname><given-names>A. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Тамбов</p></bio><bio xml:lang="en"><p>Aleksandr P. Savenkov</p><p>Tambov</p></bio><email xlink:type="simple">savencow@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>Мордасов</surname><given-names>М. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Mordasov</surname><given-names>M. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Тамбов</p></bio><bio xml:lang="en"><p>Mikhail M. Mordasov</p><p>Tambov</p></bio><email xlink:type="simple">mmm-tmb@rambler.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>Сычёв</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Sychev</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Тамбов</p></bio><bio xml:lang="en"><p>Vladislav A. Sychev</p><p>Tambov</p></bio><email xlink:type="simple">flyholand@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Тамбовский государственный технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Tambov State Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>17</day><month>07</month><year>2023</year></pub-date><volume>0</volume><issue>9</issue><fpage>43</fpage><lpage>49</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; ФГУП "ВНИИФТРИ", 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">ФГУП "ВНИИФТРИ"</copyright-holder><copyright-holder xml:lang="en">ФГУП "ВНИИФТРИ"</copyright-holder><license xlink:href="https://www.izmt.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://www.izmt.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://www.izmt.ru/jour/article/view/1837">https://www.izmt.ru/jour/article/view/1837</self-uri><abstract><p>Приведён обзор бесконтактных методов измерения вязкости жидкостей. Рассмотрены бесконтактные аэрогидродинамические методы, позволяющие с высокой точностью определять вязкость неоднородных и непрозрачных жидкостей в диапазоне 2–100 Па·с. Описан наиболее перспективный, но недостаточно развитый бесконтактный импульсный аэрогидродинамический метод, который заключается в деформации поверхности контролируемой жидкости струёй газа и определении вязкости по времени достижения заданной степени деформации с момента подачи газовой струи. Для измерений вязкости разработано бесконтактное аэрогидродинамическое устройство с лазерным триангуляционным детектором поверхности жидкости, применение которого позволило полностью автоматизировать прибор и значительно повысить точность измерений вязкости. Исследованы четыре возможных варианта реализации устройства. Выбран наиболее перспективный вариант с точки зрения повышения точности измерений и уменьшения чувствительности устройства к влияющим величинам. Описаны конструкция и принцип работы устройства. Исследовано влияние конструктивных параметров устройства на систематическую и случайную составляющие погрешности измерений. Получена относительная погрешность измерений вязкости жидкостей в диапазоне 2–100 Па·с не более 2 %. Разработанное бесконтактное аэрогидродинамическое устройство целесообразно использовать для контроля вязких жидкостей в различных отраслях промышленности.</p></abstract><trans-abstract xml:lang="en"><p>Non-contact aerohydrodynamic methods, unlike other non-contact methods, allow highly accurate determination of the viscosity of inhomogeneous and opaque liquids in any industry in the interval of 2–100 Pa·s. The pulsed aerohydrodynamic method was proposed about thirty years ago, and is the most promising of the non-contact methods, but it has not received proper development. The method consists in deforming the surface of a tested liquid with a gas jet and determining the viscosity from the time takes to reach a predetermined degree of deformation from the moment when the gas jet was applied. The paper presents the results of studies of a non-contact aerohydrodynamic device for measuring viscosity with a laser triangulation detector of the liquid surface, the use of which made it possible to fully automate the device and significantly increase the accuracy of viscosity measurements. The aim of the research is to choose the most promising of four possible variants for implementing the device. The choice was made according to criteria, the fulfillment of which ensures a decrease in the sensitivity of the device to influencing quantities, and an increase in the measurement accuracy. A description of the design and principle of operation of the device is given. The results of studies of design parameters influence on the systematic and random components of the measurement error are presented. The relative error in measuring the viscosity of liquids in the interval from 2 to 100 Pa·s does not exceed 2 %. The developed non-contact aerohydrodynamic device is advisable to use in testing of viscous liquids in various industries.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>аэрогидродинамический метод</kwd><kwd>бесконтактный метод</kwd><kwd>вязкость</kwd><kwd>газ</kwd><kwd>жидкость</kwd><kwd>поверхность</kwd><kwd>струя</kwd><kwd>триангуляционный детектор.</kwd></kwd-group><kwd-group xml:lang="en"><kwd>aerohydrodynamic method</kwd><kwd>gas</kwd><kwd>jet</kwd><kwd>liquid</kwd><kwd>non-contact method</kwd><kwd>viscosity</kwd><kwd>surface</kwd><kwd>triangulation detector</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">Мордасов М. 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