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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">nguphys</journal-id><journal-title-group><journal-title xml:lang="ru">Сибирский физический журнал</journal-title><trans-title-group xml:lang="en"><trans-title>SIBERIAN JOURNAL OF PHYSICS</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2541-9447</issn><publisher><publisher-name>Новосибирский государственный университет</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.25205/2541-9447-2024-19-4-85-94</article-id><article-id custom-type="elpub" pub-id-type="custom">nguphys-369</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>ФИЗИКА ТВЕРДОГО ТЕЛА, ПОЛУПРОВОДНИКОВ, НАНОСТРУКТУР</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>SOLID-STATE AND SEMICONDUCTOR PHYSICS, PHYSICS OF NANOSTRUCTURES</subject></subj-group></article-categories><title-group><article-title>Определение нестационарного температурного поля в многослойном (трехслойном) цилиндрическом модуле на SiGe</article-title><trans-title-group xml:lang="en"><trans-title>Determination of an Unsteady Temperature Field in a Multilayer (Three-Layer) Cylindrical Module Samples of Siege</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>Хагба</surname><given-names>Г. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Hagba</surname><given-names>G. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Герман Семенович Хагба, старший преподаватель</p><p>Республика Абхазия; Сухум </p></bio><bio xml:lang="en"><p>German S. Hagba, Senior Lecturer</p><p>Republic of Abkhazia; Sukhum </p></bio><email xlink:type="simple">Khagba65@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Абхазский государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Abkhazian State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>25</day><month>02</month><year>2025</year></pub-date><volume>19</volume><issue>4</issue><fpage>85</fpage><lpage>94</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Хагба Г.С., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Хагба Г.С.</copyright-holder><copyright-holder xml:lang="en">Hagba G.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://nguphys.elpub.ru/jour/article/view/369">https://nguphys.elpub.ru/jour/article/view/369</self-uri><abstract><p>   Проведено исследование температурного поля трехслойного термоэлемента на основе SiGe в нестационарном режиме. На основе проведенного анализа процесса предложена и обоснована математическая модель нестационарного теплообмена. Получены аналитические зависимости для работы нестационарного температурного поля. Изучено распределение температур в цилиндрических слоях. Для каждого слоя рассчитаны коэффициенты теплопроводности, критерии Фурье, критерии Био, а также коэффициент термоЭДС.</p></abstract><trans-abstract xml:lang="en"><p>   The temperature field of a three-layer thermoelement based on SiGe was studied in a non-stationary mode. Based on the analysis of the process, a mathematical model of unsteady heat transfer is proposed and justified. Analytical dependencies for the operation of a non-stationary temperature field are obtained. The temperature distribution in cylindrical layers has been studied. For each layer, thermal conductivity coefficients, Fourier criteria, Biot criteria, as well as the thermal emf coefficient are calculated.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>коэффициент</kwd><kwd>критерии</kwd><kwd>теплопроводность</kwd><kwd>теплопередача</kwd></kwd-group><kwd-group xml:lang="en"><kwd>coefficient</kwd><kwd>criteria</kwd><kwd>thermal conductivity</kwd><kwd>heat transfer</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">Анатачук Л. И. Термоэлементы и термоэлектрические устройства. Киев: Наукова думка, 1979. С. 768.</mixed-citation><mixed-citation xml:lang="en">Anatachuk L. I. Thermoelements and thermoelectric devices. Kiev, Naukova dumka, 1979, p. 768.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Анатачук Л. И., Мочернюк Ю. Н., Прибыла А. В. 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