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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">vestift</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной академии наук Беларуси. Серия физико-технических наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus. Physical-technical series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8358</issn><issn pub-type="epub">2524-244X</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1561-8358-2021-66-1-66-75</article-id><article-id custom-type="elpub" pub-id-type="custom">vestift-650</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, ТЕПЛО- И МАССООБМЕН</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>POWER ENGINEERING, HEAT AND MASS TRANSFER</subject></subj-group></article-categories><title-group><article-title>Тепломассоперенос в продуваемом слое растительных материалов при циклическом микроволновом энергоподводе</article-title><trans-title-group xml:lang="en"><trans-title>Heat and mass transfer in the blasted layer of vegetable materials with cyclic microwave power supply</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>Акулич</surname><given-names>П. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Akulich</surname><given-names>P. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Акулич Петр Васильевич – доктор технических наук, главный научный сотрудник</p><p>ул. П. Бровки, 15, 220072, Минск, Республика Беларусь</p></bio><bio xml:lang="en"><p>Piotr V. Akulich – D. Sc. (Engineering), Chief Researcher</p><p>15, Brovka Str., 220072, Minsk, Republic of Belarus</p></bio><email xlink:type="simple">akul@hmti.ac.by</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>Слижук</surname><given-names>Д. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Slizhuk</surname><given-names>D. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Слижук Дмитрий Станиславович – научный сотрудник</p><p>ул. П. Бровки, 15, 220072, Минск, Республика Беларусь</p></bio><bio xml:lang="en"><p>Dmitriy S. Slizhuk – Researcher</p><p>15, Brovka Str., 220072, Minsk, Republic of Belarus</p></bio><email xlink:type="simple">slizhuk@itmo.by</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт тепло- и массообмена имени А. В. Лыкова Национальной академии наук Беларуси</institution></aff><aff xml:lang="en"><institution>A. V. Luikov Heat and Mass Transfer Institute of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>31</day><month>03</month><year>2021</year></pub-date><volume>66</volume><issue>1</issue><fpage>66</fpage><lpage>75</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Акулич П.В., Слижук Д.С., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Акулич П.В., Слижук Д.С.</copyright-holder><copyright-holder xml:lang="en">Akulich P.V., Slizhuk D.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://vestift.belnauka.by/jour/article/view/650">https://vestift.belnauka.by/jour/article/view/650</self-uri><abstract><p>Приведены результаты моделирования и экспериментального исследования тепломассопереноса в плотном продуваемом слое растительных материалов при циклическом микроволновом воздействии. Двумерная математическая модель состоит из уравнений сохранения массы газовой фазы, фильтрации, тепло- и массопереноса в фазах, которые учитывают внутреннее сопротивление переносу теплоты и влаги в частицах при определении коэффициентов тепло- и массоотдачи. При этом учитываются зависимости теплоты фазового перехода от влажности частиц, их усадки в процессе дегидратации, зависимости эффективных коэффициентов теплопроводности газа и диффузии пара от скорости фильтрации. В качестве примера приводится моделирование сушки нарезанного картофеля в плотном слое при циклическом СВЧ-конвективном энергоподводе. Показана возможность интенсификации процесса дегидратации влаги и сокращения его продолжительности по сравнению с конвективным способом. Выполнено сравнение расчетных данных с опытными данными, подтверждающее адекватность модели.</p></abstract><trans-abstract xml:lang="en"><p>The results of modeling and experimental study of heat and mass transfer in a dense blown layer of plant materials under cyclic microwave exposure are presented. The two-dimensional mathematical model consists of the equations of conservation of the mass of the gas phase, filtration, heat and mass transfer in phases, which take into account the internal resistance to heat and moisture transfer in the particles when determining the heat and mass transfer coefficients. In this case, the dependences of the heat of the phase transition on the humidity of the particles, their shrinkage during dehydration, and the dependences of the effective coefficients of thermal conductivity of the gas and vapor diffusion on the filtration rate are taken into account. The simulation results of drying chopped potatoes in a dense layer with a cyclic microwave convective energy supply are presented. The possibility of intensifying the process of moisture dehydration and reducing its duration compared with the convective method is shown. Comparison of calculated data with experimental data confirms the adequacy of the model.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>тепломассоперенос в неподвижном слое</kwd><kwd>СВЧ-конвективная сушка</kwd><kwd>сушка растительных материалов</kwd></kwd-group><kwd-group xml:lang="en"><kwd>heat and mass transfer in a fixed layer</kwd><kwd>microwave convective drying</kwd><kwd>drying of plant materials</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">Modeling of the heat and mass transfer in vegetable materials during combined microwave convective heating / A. 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