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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">10.20914/2310-1202-2022-2-17-26</article-id><article-id custom-type="elpub" pub-id-type="custom">vguit-3150</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>Процессы и аппараты пищевых производств</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Processes and equipment for food industry</subject></subj-group></article-categories><title-group><article-title>Математическое моделирование процесса сушки снеков из фарша бычка азовского в псевдоожиженном слое</article-title><trans-title-group xml:lang="en"><trans-title>Mathematical modeling of snacks drying process from minced fish in a fluidized bed</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2582-8547</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Косачев</surname><given-names>В. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Kosachev</surname><given-names>V. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.т.н., профессор, профессор кафедры технологического оборудования и систем жизнеобеспечения, ул. Красная, 135, 2-й этаж, ауд. 253, г. Краснодар, 350072, Россия</p></bio><bio xml:lang="en"><p>Dr. Sci. (Engin.), professor, technological equipment and life-support systems department, 350072, Krasnodar Krai, Krasnodar, Moskovskaya str., 2,</p></bio><email xlink:type="simple">vs.kosachev@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2335-0017</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Остриков</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Ostrikov</surname><given-names>A. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.т.н., профессор, кафедра технологии жиров, процессов и аппаратов химических и пищевых производств, пр-т Революции, 19, г. Воронеж, 394036, Россия</p></bio><bio xml:lang="en"><p>Dr. Sci. (Engin..), professor, technologies of fats, processes and devices of chemical and food production, department, Revolution Av., 19 Voronezh, 394036, Russia,</p></bio><email xlink:type="simple">ostrikov27@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1431-679X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Яшонков</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Yashonkov</surname><given-names>A. А.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.т.н., доцент, заведующий кафедрой машин и аппаратов пищевых производств, ул. Орджоникидзе, д. 123, г. Керчь, 298309, Республика Крым, Россия</p></bio><bio xml:lang="en"><p>Cand. Sci. (Engin.), machines and apparatuses of food production, department, 298309, Republic of Crimea, Kerch, Ordzhonikidze str. 82</p></bio><email xlink:type="simple">jashonkov@rambler.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Кубанский государственный технологический университет</institution></aff><aff xml:lang="en"><institution>Kuban State Technological University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><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><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Керченский государственный морской технологический университет</institution></aff><aff xml:lang="en"><institution>Kerch State Maritime Technological University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>22</day><month>08</month><year>2022</year></pub-date><volume>84</volume><issue>2</issue><fpage>17</fpage><lpage>26</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Косачев В.С., Остриков А.Н., Яшонков А.А., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Косачев В.С., Остриков А.Н., Яшонков А.А.</copyright-holder><copyright-holder xml:lang="en">Kosachev V.S., Ostrikov A.N., Yashonkov A.А.</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/3150">https://www.vestnik-vsuet.ru/vguit/article/view/3150</self-uri><abstract><p>Предложена математическая модель процесса сушки снеков из фарша бычка азовского в псевдоожиженном слое с распределенными параметрами процесса теплообмена между поверхностью анизотропного тела и окружающей средой. Рассмотрено решение задачи нестационарной теплопередачи путем теплопроводности с использованием метода Галёркина. Пробные и поверочные функции используемого метода, реализованные в среде инженерных расчетов PTC MathCAD линейно независимы, представляют собой первые элементы полной системы полиномиальных функций и удовлетворяют граничным и начальным условиям. Проведены теоретические и экспериментальные исследования, которые позволяют рассмотреть процесс сушки снеков из фарша бычка азовского в псевдоожиженном слое и научно обосновать варианты его совершенствования. По результатам экспериментальных исследований показана адекватность полученной математической модели. Доказано, что при равномерном начальном распределении температуры в процессе предварительного прогрева температурная неоднородность возрастает вплоть до момента фазового перехода на поверхности высушиваемого объекта. Установлена важность учета фазы предварительного прогрева влажного материала, так как на этой стадии формируется температурный профиль, отличающийся значительной неоднородностью. Это особо важно, так как температурная неоднородность непосредственно влияет на качество пищевого продукта. Подтверждена возможность учета анизотропии в процессах теплообмена при использовании объемной математической модели переноса с распределенными параметрами. Разработанная методика позволяет значительно увеличить точность решения анизотропной краевой задачи, путем замены операции интегрирования элементов матриц жесткости системой дифференциальных уравнений алгебраическими формулами.</p></abstract><trans-abstract xml:lang="en"><p>A mathematical model of snacks drying process from minced fish in a fluidized bed with distributed parameters of the heat exchange process between the surface of an anisotropic body and the environment is proposed. The solution of the problem of non-stationary heat transfer by heat conduction using the Galerkin method is considered. The trial and verification functions of the method used, implemented in the PTC MathCAD engineering calculation environment, are linearly independent, represent the first elements of a complete system of polynomial functions and satisfy the boundary and initial conditions. Theoretical and experimental studies have been carried out, which allow considering the process of drying snacks from minced fish in a fluidized bed and scientifically substantiate options for its improvement. According to the results of experimental studies, the adequacy of the obtained mathematical model is shown. It is proved that with a uniform initial temperature distribution during preheating, the temperature inhomogeneity increases up to the moment of a phase transition on the surface of dried object. The importance of taking into account the preheating phase of wet material is established, since at this stage a temperature profile is formed, which is characterized by significant heterogeneity. This is especially important, since temperature heterogeneity directly affects the quality of the food product. The possibility of taking into account anisotropy in heat transfer processes using a three-dimensional mathematical model of transport with distributed parameters is confirmed. The developed technique allows significantly increasing the accuracy of an anisotropic boundary value problem solving by replacing the operation of integrating the stiffness matrix elements with a system of differential equations by algebraic formulas.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>сушка</kwd><kwd>снеки</kwd><kwd>рыбный фарш</kwd><kwd>математическое моделирование</kwd><kwd>метод Галёркина</kwd><kwd>псевдоожиженный слой</kwd></kwd-group><kwd-group xml:lang="en"><kwd>drying</kwd><kwd>snacks</kwd><kwd>minced fish</kwd><kwd>mathematical modeling</kwd><kwd>Galerkin method</kwd><kwd>fluidized bed</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">Ustinova M.E., Yashonkov A.A. Experimental studies into the kinetics of the process of vacuum drying of carrot chips // IOP Conf. Series: Earth and Environmental Science. 2019. 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