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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">atu</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Алматинского технологического университета</journal-title><trans-title-group xml:lang="en"><trans-title>The Journal of Almaty Technological University</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2304-568X</issn><issn pub-type="epub">2710-0839</issn><publisher><publisher-name>АО "АТУ"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.48184/2304-568X-2024-4-105-121</article-id><article-id custom-type="elpub" pub-id-type="custom">atu-2426</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>ТЕХНОЛОГИЯ ПИЩЕВОЙ И ПЕРЕРАБАТЫВАЮЩЕЙ ПРОМЫШЛЕННОСТИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>FOOD AND PROCESSING INDUSTRY TECHNOLOGY</subject></subj-group></article-categories><title-group><article-title>Математическое моделирование течения расплава мультизлакового сырья в процессе коэкструзии</article-title><trans-title-group xml:lang="en"><trans-title>Mathematical modeling of multi-cereal raw material melt flow in the coextrusion process</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2335-0017</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>394036, Воронеж, пр. Революции, 19.</p></bio><bio xml:lang="en"><p>394036, Voronezh, Revolution Ave., 19.</p></bio><email xlink:type="simple">ostrikov27@yandex.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/0000-0002-3813-603X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Оспанов</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Ospanov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>050010, Алматы, пр. Абая, 8.</p></bio><bio xml:lang="en"><p>050010, Almaty, Abay Ave., 8.</p></bio><email xlink:type="simple">ospanov_abdymanap@mail.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/0000-0002-1547-9814</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Василенко</surname><given-names>В. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Vasilenko</surname><given-names>V. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>394036, Воронеж, пр. Революции, 19.</p></bio><bio xml:lang="en"><p>394036, Voronezh, Revolution Ave., 19.</p></bio><email xlink:type="simple">vvn_1977@mail.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/0000-0001-5955-9253</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тимурбекова</surname><given-names>А. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Timurbekova</surname><given-names>A. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>050010, Алматы, пр. Абая, 8.</p></bio><bio xml:lang="en"><p>050010, Almaty, Abay Ave., 8.</p></bio><email xlink:type="simple">timurbekova_aigul@mail.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/0000-0003-2678-2613</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Копылов</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kopylov</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>394036, Воронеж, пр. Революции, 19.</p></bio><bio xml:lang="en"><p>394036, Voronezh, Revolution Ave., 19 </p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3141-3049</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Алмаганбетова</surname><given-names>А. Т.</given-names></name><name name-style="western" xml:lang="en"><surname>Almaganbetova</surname><given-names>A. T.</given-names></name></name-alternatives><bio xml:lang="ru"><p>050010, Алматы, пр. Абая, 8.</p></bio><bio xml:lang="en"><p>050010, Almaty, Abay Ave., 8.</p></bio><email xlink:type="simple">erkemturmahan@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Воронежский государственный университет инженерных технологий<country>Россия</country></aff><aff xml:lang="en">Voronezh State University of Engineering Technologies<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Казахский национальный аграрный исследовательский университет<country>Казахстан</country></aff><aff xml:lang="en">Kazakh National Agrarian Research University<country>Kazakhstan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>18</day><month>12</month><year>2024</year></pub-date><volume>146</volume><issue>4</issue><fpage>105</fpage><lpage>121</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Остриков А.Н., Оспанов А.А., Василенко В.Н., Тимурбекова А.К., Копылов М.В., Алмаганбетова А.Т., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Остриков А.Н., Оспанов А.А., Василенко В.Н., Тимурбекова А.К., Копылов М.В., Алмаганбетова А.Т.</copyright-holder><copyright-holder xml:lang="en">Ostrikov A.N., Ospanov A.A., Vasilenko V.N., Timurbekova A.K., Kopylov M.V., Almaganbetova A.T.</copyright-holder><license 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-atu.kz/jour/article/view/2426">https://www.vestnik-atu.kz/jour/article/view/2426</self-uri><abstract><p>Разработана математическая модель течения расплава мультизлаковой смеси в канале экструдера для определения рациональных параметров процесса коэкструзии. Математическая модель включает уравнение движения и уравнение сохранения энергии и граничные условия, а также реологический закон течения расплава исследуемой смеси. В результате расчетов были определены геометрические параметры шнека: глубина и ширина канала экструдера, средняя скорость течения и температура экструдата по длине рабочей камеры. Сравнение расчетной температуры экструдата Tк = 136,2 °С и ее экспериментального значения Tк = 135 °С, показывает высокую адекватность. Численное решение математической модели течения вязкой жидкости расплава исследуемой смеси на рассматриваемом участке через канал экструдера позволяет установить характер изменения скорости и давления расплава экструдата. Полученные зависимости легли в основу расчета и проектирования конструкции двухшнекового экструдера, каждый из шнеков которого состоит из трех зон: первой зоны компрессии, которая включает три участка: загрузки, сжатия и дозирования; декомпрессионно-экстракционной зоны, которая включает два участка: декомпрессии и экстракции; и второй зоны компрессии, которая включает два участка: гомогенизации и нагнетания. Использование двухшнекового экструдера позволит расширить технологические возможности экструдера по производству экструдированных продуктов различного поликомпонентного состава; обеспечить необходимую глубину физико-химических превращений компонентов обрабатываемого продукта за счет регулирования теплоподвода.</p></abstract><trans-abstract xml:lang="en"><p>A mathematical model of the melt flow of a multi-cereal mixture in an extruder channel has been developed to determine the rational parameters of the coextrusion process. The mathematical model includes the equation of motion and the equation of energy conservation and boundary conditions, as well as the rheological law of the melt flow of the mixture under study. As a result of the calculations, the geometric parameters of the screw, the depth and width of the extruder channel, the average flow rate and the temperature of the extrudate along the length of the working chamber were determined. A comparison of the calculated extrudate temperature Tk = 136.2 °C and its experimental value Tk = 135 °C shows high adequacy. The numerical solution of the mathematical model of the flow of a viscous liquid melt of the studied mixture in the considered section through the extruder channel allows us to establish the nature of the change in the speed and pressure of the extrudate melt. The obtained dependencies formed the basis for the calculation and design of the twin-screw extruder design, each screw of which consists of three zones: the first compression zone, which includes three sections: loading, compression and dosing; decompression-extraction zone, which includes two sections: decompression and extraction; and the second compression zone, which includes two sections: homogenization and injection. The use of a twin-screw extruder will expand the technological capabilities of the extruder for the production of extruded products of various polycomponent compositions; ensure the necessary depth of physicochemical transformations of the components of the processed product due to the regulation of heat supply.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>коэкструзия</kwd><kwd>математическая модель</kwd><kwd>течение</kwd><kwd>расплав</kwd><kwd>проектирование</kwd><kwd>трехзонный экструдер</kwd></kwd-group><kwd-group xml:lang="en"><kwd>coextrusion</kwd><kwd>mathematical model</kwd><kwd>flow</kwd><kwd>melt</kwd><kwd>design</kwd><kwd>three-zone extruder</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">Оспанов А.А., Остриков А.Н., Муслимов Н.Ж., Джумабекова Г.Б. Технология производства коэкструдированных пищевых продуктов. 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