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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">energy</journal-id><journal-title-group><journal-title xml:lang="ru">Энергетика. Известия высших учебных заведений и энергетических объединений СНГ</journal-title><trans-title-group xml:lang="en"><trans-title>ENERGETIKA. Proceedings of CIS higher education institutions and power engineering associations</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1029-7448</issn><issn pub-type="epub">2414-0341</issn><publisher><publisher-name>BNTU</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21122/1029-7448-2021-64-1-51-64</article-id><article-id custom-type="elpub" pub-id-type="custom">energy-2041</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>ТЕПЛОЭНЕРГЕТИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>НEAT POWER ENGINEERING</subject></subj-group></article-categories><title-group><article-title>Экспериментальное и расчетное исследования пиролиза биомассы в цилиндрическом реакторе</article-title><trans-title-group xml:lang="en"><trans-title>Experiments and Computational Research of Biomass Pyrolysis in a Cylindrical Reactor</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>Митрофанов</surname><given-names>А. B.</given-names></name><name name-style="western" xml:lang="en"><surname>Mitrofanov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>г. Иваново</p></bio><bio xml:lang="en"/><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мизонов</surname><given-names>В. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Mizonov</surname><given-names>V. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>г. Иваново</p></bio><bio xml:lang="en"><p>Ivanovo</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>Василевич</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Vasilevich</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Адрес для переписки: Василевич Сергей  Владимирович  – Белорусская государственная академия авиации, ул. Уборевича, 77, 220096, г. Минск, Республика Беларусь.  Тел.: +375 17 272-98-22     svasilevich@yandex.ru</p></bio><bio xml:lang="en"/><email xlink:type="simple">svasilevich@yandex.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>Малько</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Malko</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p> г. Минск</p></bio><bio xml:lang="en"><p>Minsk</p></bio><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Ивановский государственный энергетический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Ivanovo State Power Engineering University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Белорусская государственная академия авиации</institution><country>Беларусь</country></aff><aff xml:lang="en"><institution>Belarusian State Academy of Aviation</institution><country>Belarus</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Институт энергетики НАН Беларуси</institution><country>Беларусь</country></aff><aff xml:lang="en"><institution>Institute of Power Engineering of the National Academy of Sciences of Belarus</institution><country>Belarus</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>08</day><month>02</month><year>2021</year></pub-date><volume>64</volume><issue>1</issue><fpage>51</fpage><lpage>64</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Митрофанов А.B., Мизонов В.Е., Василевич С.В., Малько М.В., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Митрофанов А.B., Мизонов В.Е., Василевич С.В., Малько М.В.</copyright-holder><copyright-holder xml:lang="en">Mitrofanov A.V., Mizonov V.E., Vasilevich S.V., Malko M.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://energy.bntu.by/jour/article/view/2041">https://energy.bntu.by/jour/article/view/2041</self-uri><abstract><p>В статье представлено экспериментальное исследование пиролиза термически тонких частиц биомассы (березовая щепа 17´8´6 мм) в лабораторном аппарате периодического действия. Реактор установки имеет вид стального цилиндра с внутренним диаметром 200 мм и высотой 500 мм. Во время эксперимента температура наружной боковой поверхности аппарата поддерживалась постоянной (550 °C) за счет электрического нагрева. Масса начальной загрузки составляла около 4 кг при влагосодержании материала порядка 14 % по массе. В процессе эксперимента фиксировались значения температур материала в двух точках радиальной координаты: у стенки аппарата и на его оси. Предложена и верифицирована одномерная численная модель нестационарного процесса конверсии биомассы (тепломассообмена, совмещенного с реакционной моделью Аврами – Ерофеева). Реактор представлен как набор из счетного числа цилиндрических слоев, рассматриваемых как ячейки (представительные мезообъемы) с идеальным перемешиванием свойств внутри. Цилиндрические поверхности, образующие ячейки, считаются изотермическими. Размер ячеек выбран достаточно большим по сравнению с отдельными частицами слоя, что позволяет считать температурное поле внутри объема ячейки монотонным. Эволюция распределения температуры по радиусу цилиндрического реактора определяется на основе разностной аппроксимации процесса нестационарной теплопроводности. Расчетные прогнозы и экспериментальные данные показали хорошее соответствие, что свидетельствует об адекватности разработанной математической модели и позволяет рекомендовать ее для проведения инженерных расчетов пиролиза биомассы. Данная модель может оказаться полезной и в отношении углубления понимания основных физических и химических процессов, протекающих в условиях пиролиза биомассы</p></abstract><trans-abstract xml:lang="en"><p>The article features an experimental study of thermally thin biomass samples (beech wood particles 17×8×6 mm) pyrolysis in a laboratory scale batch reactor. The reactor was a cylindrical steel body with internal diameter of 200 mm and height of 500 mm. The temperature of a lateral surface of the cylinder during the experiment was being kept constant (550 °C) due to electrical heating. The initial loading of the apparatus was about 4 kg with moisture content of about 14 % by weight. During the experiment, the temperature values of the material being pyrolyzed were recorded at two points of the radial coordinate, viz. at the wall of the apparatus and on its axis. A one-dimensional numerical model of the nonstationary process of biomass conversion (heat and mass transfer in combination with the Avrami – Erofeev reaction model) has been proposed and verified. The reactor is represented as a set of a countable number of cylindrical layers, considered as cells (representative meso-volumes) with an ideal mixing of the properties inside. The cylindrical surfaces that form cells are considered to be isothermal. The size of the cells is chosen to be sufficiently large in comparison with the individual particles of the layer, which makes it possible to consider the temperature field inside the cell volume as monotonic. The evolution of the temperature distribution over the radius of a cylindrical reactor is determined on the basis of a difference approximation of the process of non-stationary thermal conductivity. The calculated forecasts and experimental data showed a good agreement, which indicates the adequacy of the developed mathematical model of pyrolysis and makes it possible to recommend it for engineering calculations of biomass pyrolysis. This model can also be useful in improving the understanding of the basic physical and chemical processes occurring in the conditions of biomass pyrolysis.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>пиролиз</kwd><kwd>древесная биомасса</kwd><kwd>уравнение Аврами – Ерофеева</kwd><kwd>численное моделирование</kwd><kwd>тепло- и массообмен</kwd></kwd-group><kwd-group xml:lang="en"><kwd>pyrolysis</kwd><kwd>wood biomass</kwd><kwd>Avrami – Erofeev equation</kwd><kwd>numerical model</kwd><kwd>heat and mass transfe</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">Корсак, Е. П. Формирование системы угроз энергетической безопасности Республики Беларусь / Е. П. Корсак // Энергетика. Изв. высш. учеб. заведений и энерг. объединений СНГ. 2019. Т. 62, № 4. C. 388–398. https://doi.org/10.21122/1029-7448-2019-62-4-388-398.</mixed-citation><mixed-citation xml:lang="en">Korsak E. P. 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