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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">ipolytech</journal-id><journal-title-group><journal-title xml:lang="ru">iPolytech Journal</journal-title><trans-title-group xml:lang="en"><trans-title>iPolytech Journal</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2782-4004</issn><issn pub-type="epub">2782-6341</issn><publisher><publisher-name>Irkutsk National Research Technical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21285/1814-3520-2021-5-586-600</article-id><article-id custom-type="elpub" pub-id-type="custom">ipolytech-526</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>ЭНЕРГЕТИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>POWER ENGINEERING</subject></subj-group></article-categories><title-group><article-title>Экспериментальные исследования влияния давления воздуха на характеристики распыления водоугольных суспензий</article-title><trans-title-group xml:lang="en"><trans-title>Experimental studies into the effect of air pressure on the atomization characteristics of coal-water slurries</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7866-9180</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гвоздяков</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Gvozdyakov</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гвоздяков Дмитрий Васильевич, кандидат технических наук, доцент, старший научный сотрудник Лаборатории катализа и преобразования углеродсодержащих материалов с получением полезных продуктов</p><p>650000, г. Кемерово, ул. Весенняя, 28</p></bio><bio xml:lang="en"><p>Dmitriy V. Gvozdyakov, Cand. Sci. (Eng.), Associate Professor, Senior Researcher of the Laboratory of Catalysis and Transformation of Carbon-containing Materials and Useful Products Obtaining</p><p>28, Vesennyaya St., Kemerovo 650000</p></bio><email xlink:type="simple">dim2003@tpu.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7763-3266</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Зенков</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Zenkov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Зенков Андрей Викторович, кандидат технических наук, ассистент НОЦ И. Н. Бутакова, Инженерная школа энергетики</p><p>634050, г. Томск, пр. Ленина, 30</p></bio><bio xml:lang="en"><p>Andrey V. Zenkov, Cand. Sci. (Eng.), Assistant Professor of the Butakov Research Centre, Engineering, School of Energy and Power Engineering</p><p>30, Lenin Ave., Tomsk 634050</p></bio><email xlink:type="simple">avz41@tpu.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>Губин</surname><given-names>В. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Gubin</surname><given-names>V. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Губин Владимир Евгеньевич, кандидат технических наук, доцент, доцент НОЦ И. Н. Бутакова, Инженерная школа энергетики</p><p>634050, г. Томск, пр. Ленина, 30</p></bio><bio xml:lang="en"><p>Vladimir E. Gubin, Cand. Sci. (Eng.), Associate Professor, Associate Professor of the Butakov Research Center, School of Energy and Power Engineering</p><p>30, Lenin Ave., Tomsk 634050</p></bio><email xlink:type="simple">gubin@tpu.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>Калтаев</surname><given-names>А. Ж.</given-names></name><name name-style="western" xml:lang="en"><surname>Kaltaev</surname><given-names>A. Zh.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Калтаев Альберт Жанатович, инженер НИЦ «Экоэнергетика 4.0», Инженерная школа энергетики</p><p>634050, г. Томск, пр. Ленина, 30</p></bio><bio xml:lang="en"><p>Albert Zh. Kaltaev, Engineer of Ecoenergy 4.0 Research Center, School of Energy and Power Engineering</p><p>30, Lenin Ave., Tomsk 634050</p></bio><email xlink:type="simple">azk2@tpu.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>Марышева</surname><given-names>Я. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Marysheva</surname><given-names>Ya. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Марышева Яна Владимировна, инженер НИЦ «Экоэнергетика 4.0», Инженерная школа энергетики</p><p>634050, г. Томск, пр. Ленина, 30</p></bio><bio xml:lang="en"><p>Yana V. Marysheva, Engineer of Ecoenergy 4.0 Research Center, School of Energy and Power Engineering</p><p>30, Lenin Ave., Tomsk 634050</p></bio><email xlink:type="simple">marysheva@tpu.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Кузбасский государственный технический университет им. Т.Ф. Горбачева</institution><country>Россия</country></aff><aff xml:lang="en"><institution>T. F. Gorbachev Kuzbass State Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Национальный исследовательский Томский политехнический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Research Tomsk Polytechnic 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>09</day><month>11</month><year>2021</year></pub-date><volume>25</volume><issue>5</issue><fpage>586</fpage><lpage>600</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Гвоздяков Д.В., Зенков А.В., Губин В.Е., Калтаев А.Ж., Марышева Я.В., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Гвоздяков Д.В., Зенков А.В., Губин В.Е., Калтаев А.Ж., Марышева Я.В.</copyright-holder><copyright-holder xml:lang="en">Gvozdyakov D.V., Zenkov A.V., Gubin V.E., Kaltaev A.Z., Marysheva Y.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://ipolytech.elpub.ru/jour/article/view/526">https://ipolytech.elpub.ru/jour/article/view/526</self-uri><abstract><p>Цель – обоснование влияния давления распыляющего агента на характеристики струи после распыления водоугольных суспензий с малыми (по массе) добавками в их состав жидких отходов пиролиза резинотехнических изделий и отработанного моторного масла по результатам экспериментальных исследований. В качестве резинотехнических изделий использовались автомобильные шины. Распыление производилось с помощью пневматической форсунки с внутренним смешением. Исследование изменения размеров капель после распыления исследовавшихся составов топлива выполнено методом IPI (Interferometric Particle Imaging). Определение угла раскрытия струи выполнено при помощи высокоскоростной камеры «Photron». Проведено исследование влияния давления распыляющего агента на характеристики струи после распыления водоугольных топлив с добавлением жидких отходов пиролиза резинотехнических изделий и отработанного моторного масла (от 3 до 12% по массе). Установлено, что снижение давления воздуха приводит к уменьшению угла раскрытия струи распыленной суспензии не более чем на 6%. При этом в струе образуются достаточно крупные капли размером более 600 мкм. Экспериментально доказано, что при использовании устройства распыления с камерой внутреннего смешения суспензии и воздуха большее количество мелких капель образуется при близких значениях давления топлива и воздуха. Число капель при этом больше на 2–9% в сравнении с типичным двухкомпонентным водоугольным топливом (угол раскрытия струи распыленных водоугольных суспензий в данном случае имеет наибольшее значение). Показано, что при использовании форсунки с камерой внутреннего смешения суспензии и распыляющего агента дробление капель топлива осуществляется за счет сил аэродинамического сопротивления окружающей среды. Таким образом, использование форсунки с камерой внутреннего смешения суспензии и воздуха снижает количество возможных механизмов дробления капель топлива после распыления.</p></abstract><trans-abstract xml:lang="en"><p>The paper studies the effect of atomizing agent pressure on the spray characteristics after spraying coal-water slurry that contains small additives of liquid waste from the pyrolysis of industrial rubber goods and used engine oil. The conducted experiments used automobile tires as the indicated rubber products; spraying was carried out employing an internal mixing pneumatic atomizer. Following the atomization of considered fuels, droplet size changes were studied using the interferometric particle imaging (IPI) technique. The spray angle was determined by means of a Photron high-speed camera. In addition, coal-water slurry containing liquid waste from the pyrolysis of industrial rubber goods and used engine oil (3–12 wt%) was sprayed to study the effect of atomizing agent pressure on the spray characteristics. A decrease in air pressure was found to reduce the spray angle by less than 6%, which resulted in the formation of rather large droplets exceeding 600 µm in size. It is experimentally confirmed that more fine droplets are formed at similar fuel and air pressures when using a spraying device equipped with an internal mixing chamber for slurry and air. The number of droplets, in this case, is 2–9% higher as compared to a typical two-component coal-water slurry fuel, with the spray angle of the sprayed coal slurry having the greatest value. When using an atomizer having an internal mixing chamber for slurry and an atomizing agent, fuel droplet breakup occurs due to the aerodynamic drag forces of the environment. Thus, the use of such atomizers reduces the number of possible breakup mechanisms for sprayed fuel droplets.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>водоугольное топливо</kwd><kwd>суспензия</kwd><kwd>нефтепродукты</kwd><kwd>распыление</kwd><kwd>давление</kwd><kwd>угол раскрытия струи</kwd></kwd-group><kwd-group xml:lang="en"><kwd>coal-water fuel</kwd><kwd>slurry</kwd><kwd>oil products</kwd><kwd>spraying</kwd><kwd>pressure</kwd><kwd>jet expansion angle</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке в соответствии с дополнительным соглашением №075-03-2021-138/3 о предоставлении субсидии из федерального бюджета на финансовое обеспечение выполнения государственного задания на оказание государственных услуг (внутренний номер 075-ГЗ/Х4141/687/3).</funding-statement><funding-statement xml:lang="en">The work was carried out with the financial support in accordance with the Supplementary Agreement No. 075-03-2021-138/3 on the provision of subsidy from the federal budget for funding the state assignment on public service provision (internal number 075-ГЗ/Х4141/687/3).</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">Касимов А. 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