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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">vguit</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Воронежского государственного университета инженерных технологий</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the Voronezh State University of Engineering Technologies</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2226-910X</issn><issn pub-type="epub">2310-1202</issn><publisher><publisher-name>VSUET</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.20914/2310-1202-2025-4-173-180</article-id><article-id custom-type="elpub" pub-id-type="custom">vguit-3736</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>Пищевые системы</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Food systems</subject></subj-group></article-categories><title-group><article-title>Математическая модель тепло- и массопереноса при вакуумной сушке арахиса с комбинированным теплоподводом</article-title><trans-title-group xml:lang="en"><trans-title>Mathematical model of heat and mass transfer during the vacuum drying of peanuts with combined heat supply</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9043-9452</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Никель</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Nickel</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.т.н., доцент, кафедра физики, теплотехники и теплоэнергетики, пр-т Революции, 19, г. Воронеж, 394036, Россия</p></bio><bio xml:lang="en"><p>Cand. Sci. (Engin.), assistant professor, physics, heat engineering and heat power engineering department, Revolution Av., 19 Voronezh, 394036, Russia</p></bio><email xlink:type="simple">sergei.nickel@ya.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/0000-0002-7031-7738</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лавров</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Lavrov</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.т.н., доцент, кафедра физики, теплотехники и теплоэнергетики, пр-т Революции, 19, г. Воронеж, 394036, Россия</p></bio><bio xml:lang="en"><p>Cand. Sci. (Engin.), physics, heat engineering and heat power engineering department, Revolution Av., 19 Voronezh, 394036, Russia</p></bio><email xlink:type="simple">ya-serglavrov@ya.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/0000-0002-7391-0254</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Белозерцев</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Belozertsev</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.т.н., доцент, кафедра физики, теплотехники и теплоэнергетики, пр-т Революции, 19, г. Воронеж, 394036, Россия</p></bio><bio xml:lang="en"><p>Cand. Sci. (Engin.), physics, heat engineering and heat power engineering department, Revolution Av., 19 Voronezh, 394036, Russia</p></bio><email xlink:type="simple">alex_bel77@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Воронежский государственный университет инженерных технологий</institution></aff><aff xml:lang="en"><institution>Voronezh State University of Engineering Technologies</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>30</day><month>12</month><year>2025</year></pub-date><volume>87</volume><issue>4</issue><fpage>173</fpage><lpage>180</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Никель С.А., Лавров С.В., Белозерцев А.С., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Никель С.А., Лавров С.В., Белозерцев А.С.</copyright-holder><copyright-holder xml:lang="en">Nickel S.A., Lavrov S.V., Belozertsev A.S.</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://www.vestnik-vsuet.ru/vguit/article/view/3736">https://www.vestnik-vsuet.ru/vguit/article/view/3736</self-uri><abstract><p>В работе представлена математическая модель тепло- и массопереноса для вакуумной сушки арахиса с комбинированным теплоподводом. Модель учитывает два основных периода процесса: поверхностного и внутреннего испарения. Для каждого периода составлены уравнения кинетики сушки и теплового баланса, проведена их линеаризация и получены аналитические и численные решения. Результаты моделирования показали, что влагосодержание арахиса снижается с падающей скоростью, стремясь к равновесному значению. Скорость этого процесса возрастает с увеличением коэффициента сушки. На динамику температуры материала существенное влияние оказывают такие параметры, как удельная поверхность теплопередачи, коэффициент теплопередачи и температура нагревателя. Повышение каждого из них приводит к более интенсивному росту температуры продукта. На основе модели решена задача оптимального управления процессом с критериями минимизации продолжительности сушки при ограничении на максимально допустимую температуру материала. Показано, что оптимальный режим заключается в максимально быстром нагреве продукта до допустимого предела с последующим поддержанием этой температуры за счет управляемого изменения температуры нагревателя. Установлено, что реализация оптимального непрерывного или ступенчатого режима существенно сокращает время сушки по сравнению с режимом постоянной температуры нагревателей. Основные выводы работы: разработанная модель адекватно описывает физическую картину процесса вакуумной сушки с комбинированным теплоподводом; определены эффективные стратегии управления теплоподводом, обеспечивающие сокращение продолжительности сушки без превышения допустимой температуры продукта. Полученные результаты имеют практическую значимость для проектирования и оптимизации работы вакуумных сушильных аппаратов.</p></abstract><trans-abstract xml:lang="en"><p>The paper presents a mathematical model of heat and mass transfer for the vacuum drying of peanuts with combined heat input. The model takes into account two main stages of the process: surface evaporation and internal evaporation. For each stage, drying kinetic equations and heat balance equations were formulated, linearized, and solved both analytically and numerically. The simulation results showed that the moisture content of peanuts decreases at a decreasing rate, approaching an equilibrium value. The rate of this process increases with a higher drying coefficient. The dynamics of the material temperature are significantly influenced by such parameters as the specific heat transfer surface area, the heat transfer coefficient, and the heater temperature. An increase in any of these parameters leads to a more intensive rise in product temperature. Based on the model, an optimization problem for process control was solved, with criteria including minimizing drying time under a constraint on the maximum allowable material temperature. It was shown that the optimal regime consists of heating the product to the allowable limit as quickly as possible, followed by maintaining this temperature through controlled adjustment of the heater temperature. It was established that implementing an optimal continuous or stepwise regime significantly reduces drying time compared to a constant heater temperature regime. The main conclusions of the work are: the developed model adequately describes the physical nature of the vacuum drying process with combined heat input; effective heat input control strategies were identified, ensuring a reduction in drying time without exceeding the allowable product temperature. The obtained results are of practical importance for the design and optimization of vacuum drying equipment.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>вакуумная сушка</kwd><kwd>арахис</kwd><kwd>тепло- и массоперенос</kwd><kwd>математическое моделирование</kwd><kwd>комбинированный теплоподвод</kwd><kwd>оптимальное управление</kwd><kwd>кинетика сушки</kwd></kwd-group><kwd-group xml:lang="en"><kwd>vacuum drying</kwd><kwd>peanuts</kwd><kwd>heat and mass transfer</kwd><kwd>mathematical modeling</kwd><kwd>combined heat input</kwd><kwd>optimal control</kwd><kwd>drying kinetics</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">Mansour N.E., Villagran E., Rodriguez J. et al. Effect of Drying Conditions on Kinetics, Modeling, and Thermodynamic Behavior of Marjoram Leaves in an IoT-Controlled Vacuum Dryer // Sustainability. 2025. V. 17. № 13. 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