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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">spfp</journal-id><journal-title-group><journal-title xml:lang="ru">Хранение и переработка сельхозсырья</journal-title><trans-title-group xml:lang="en"><trans-title>Storage and Processing of Farm Products</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2072-9669</issn><issn pub-type="epub">2658-767X</issn><publisher><publisher-name>РОСБИОТЕХ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.36107/spfp.2023.313</article-id><article-id custom-type="elpub" pub-id-type="custom">spfp-313</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>ФИЗИЧЕСКИЕ И ХИМИЧЕСКИЕ МЕТОДЫ ПЕРЕРАБОТКИ СЕЛЬХОЗПРОДУКЦИИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PHYSICAL AND CHEMICAL METHODS OF FARM RAW MATERIAL PROCESSING</subject></subj-group></article-categories><title-group><article-title>Исследование влияния характеристик отражателя на процесс сушки пищевых продуктов</article-title><trans-title-group xml:lang="en"><trans-title>Study of the Influence of Reflector Characteristics on the Process of Drying Foodstuffs</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>Ермолаев</surname><given-names>Владимир Александрович</given-names></name><name name-style="western" xml:lang="en"><surname>Ermolaev</surname><given-names>Vladimir A.</given-names></name></name-alternatives><email xlink:type="simple">ermolaevvla@rambler.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Кузбасская государственная сельскохозяйственная академия</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Kuzbass State Agricultural Academy</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>30</day><month>03</month><year>2023</year></pub-date><volume>0</volume><issue>1</issue><fpage>45</fpage><lpage>56</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ермолаев В.А., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Ермолаев В.А.</copyright-holder><copyright-holder xml:lang="en">Ermolaev V.A.</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.spfp-mgupp.ru/jour/article/view/313">https://www.spfp-mgupp.ru/jour/article/view/313</self-uri><abstract><sec><title>Введение</title><p>Введение. Сушка представляет собой эффективную технологию консервирования пищевых продуктов. При использовании инфракрасных ламп одним из недостатков является неравномерность нагрева продукта по поверхности лотков, что вызывает перегревв одной части лотка и недосушивания в другой части. Исследованиям в данной области уделяется мало внимания, поэтому поиск способов обеспечения равномерного нагрева лотков с продуктом при инфракрасной сушке является актуальной задачей.</p></sec><sec><title>Цель</title><p>Цель. Подбор геометрических характеристик отражателя для обеспечения более равномерного нагрева лотка с продуктом при инфракрасной сушке.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. С помощью программы TracePro была смоделирована оптическая система подвода теплоты и исследовано распределение плотности потока теплового излучения по поверхности лотка. Был смоделирован источник излучения в виде цилиндрической инфракрасной лампы, диаметром 10 мм, длинной 400 мм и лоток с сырьем, размером 400х400 мм. Анализ траектории движения лучей проводили при количестве лучей 50 000.</p></sec><sec><title>Результаты</title><p>Результаты. Подобраны параметры параболического излучателя: фокусное расстояние рефлектора 70 мм, глубина рефлектора 200 мм, расстояние между лотком и лампой 152 мм. Основными параметрами параболического отражателя является фокусное расстояние и глубина. Последняя характеристика была выбрана в 200 мм чтобы максимально сохранить весь поток излучения от лампы, направив его на лоток. Эксперименты по инфракрасной сушке винограда с использованием подобранного отражателя и без него показали, что без использования отражателя влагосодержание в продукте, расположенном на периферии, несколько выше, чем в ягодах, расположенных по центру лотка. При использовании отражателя эта разница существенно меньше. Таким образом, моделированный отражатель позволяет снизить разницу во влагосодержании сухого продукта, расположенного на периферии и в центре лотка.</p></sec><sec><title>Выводы</title><p>Выводы. Предложенная в работе конструкция отражателя обеспечивает более равномерный нагрев продукта по всей площади лотка. Проведены эксперименты по сушке ягод винограда, подтверждающие результаты расчетов. Возможным направлением дальнейших исследований может быть исследование распределения светового потока в отражателях другой конструкции для обеспечения оптимальной равномерности падения световых лучей на площадь лотка при возможно наименьшем размере сушильной камере и наименьшим потерям энергии излучателя в окружающую среду.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. Drying is an efficient food preservation technology. When using infrared drying lamps, one of the disadvantages is the uneven heating of the product over the surface of the trays,which causes overheating in one part of the tray and underdrying in the other part. Little attention is paid to research in this area, so the search for ways to ensure uniform heating of product trays during infrared drying is an urgent task.</p></sec><sec><title>Purpose</title><p>Purpose. The purpose of this work was to select the characteristics of the reflector of an infrared drying lamp, such as the focal length of the cylinder paraboloid, the depth of the parabola and the location of the source from the surface of the tray to ensure uniform heating of the tray with raw materials and increase the energy saving of infrared drying.</p></sec><sec><title>Materials and Methods</title><p>Materials and Methods. With the help of the program, an optical system of heat supply was modeled and the distribution of the thermal radiation flux density over the surface of the tray was studied. A radiation source was modeled in the form of a cylindrical infrared lamp, 10 mm in diameter, 400 mm long, and a tray with raw materials, 400x400 mm in size. The analysis was carried out with the number of rays 50,000.</p></sec><sec><title>Results</title><p>Results. In the course of the study, the parameters of the parabolic radiator were selected: the focal length of the reflector is 70 mm, the depth of the reflector is 200 mm, the distance between the tray and the lamp is 152 mm. The main parameters of a parabolic reflector are focal length and depth. The last characteristic was chosen at 200 mm in order to preserve as much as possible the entire radiation flux from the lamp, directing it to the tray.Experiments were carried out on infrared drying of grapes using a selected reflector and without it. The simulated reflector makes it possible to reduce the difference in moisture content between the dry product located on the periphery and in the center of the tray.</p></sec><sec><title>Conclusions</title><p>Conclusions. The design of the reflector proposed in the work provides more uniform heating of the product over the entire area of the tray. Experiments on drying grape berries were carried out, confirming the results of calculations. A possible direction for further research may be to study the distribution of the light flux in reflectors of a different design to ensure optimal uniformity of the incidence of light rays on the area of the tray with the smallest possible size of the drying chamber and the lowest energy loss of the emitter to the environment. </p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>инфракрасная сушка</kwd><kwd>лампы</kwd><kwd>отражатель</kwd><kwd>лучи</kwd></kwd-group><kwd-group xml:lang="en"><kwd>infrared drying</kwd><kwd>lamps</kwd><kwd>reflector</kwd><kwd>rays</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">Афонькина, В. А. (2012). Теоретические аспекты обоснования выбора пленочных ИК – излучателей для сушки термолабильных культур. Вестник Челябинской государственной агроинженерной академии, 62, 5-9.</mixed-citation><mixed-citation xml:lang="en">Афонькина, В. А. 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