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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">probener</journal-id><journal-title-group><journal-title xml:lang="ru">Известия высших учебных заведений. ПРОБЛЕМЫ ЭНЕРГЕТИКИ</journal-title><trans-title-group xml:lang="en"><trans-title>Power engineering: research, equipment, technology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1998-9903</issn><issn pub-type="epub">2658-5456</issn><publisher><publisher-name>Kazan State Power Engineering  University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.30724/1998-9903-2026-28-2-17-33</article-id><article-id custom-type="elpub" pub-id-type="custom">probener-3879</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>МЕТОДЫ И ПРИБОРЫ КОНТРОЛЯ И ДИАГНОСТИКИ МАТЕРИАЛОВ, ИЗДЕЛИЙ, ВЕЩЕСТВ И ПРИРОДНОЙ СРЕДЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>METHODS AND DEVICES FOR CONTROLLING AND DIAGNOSING MATERIALS, ARTICLES, SUBSTANCES AND NATURAL ENVIRONMENT</subject></subj-group></article-categories><title-group><article-title>Модификация закона Бугера–Ламберта–Бера для ИК-анализа высоковязкой нефти</article-title><trans-title-group xml:lang="en"><trans-title>Modification of the Bouguer-Lambert-Baer law for high-viscosity oil IR-analysis</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0002-1902-5526</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Филатов</surname><given-names>В. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Filatov</surname><given-names>V. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Филатов Владислав Максимович – аспирант</p></bio><bio xml:lang="en"><p>Vladislav M. Filatov</p></bio><email xlink:type="simple">vladislav-fil01@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/0000-0003-1196-7463</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Растворова</surname><given-names>И. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Rastvorova</surname><given-names>I. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Растворова Ирина Ивановна – д-р техн. наук, доцент, член-корреспондент АЭН РФ, заведующая кафедрой электронных систем</p></bio><bio xml:lang="en"><p>Irina I. Rastvorova</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Санкт-Петербургский горный университет императрицы Екатерины II</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Empress Catherine II Saint-Petersburg Mining University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>14</day><month>06</month><year>2026</year></pub-date><volume>28</volume><issue>2</issue><fpage>17</fpage><lpage>33</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Филатов В.М., Растворова И.И., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Филатов В.М., Растворова И.И.</copyright-holder><copyright-holder xml:lang="en">Filatov V.M., Rastvorova I.I.</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.energyret.ru/jour/article/view/3879">https://www.energyret.ru/jour/article/view/3879</self-uri><abstract><p>АКТУАЛЬНОСТЬ исследования заключается в развитии методов анализа высоковязкой нефти, доля которой в мировых запасах и добыче непрерывно растет. Точный экспресс-анализ состава такой нефти необходим для оптимизации её добычи, транспорта и подбора химических присадок, повышающих подвижность. Однако применение классического закона Бугера–Ламберта–Бера (БЛБ) затруднено из-за сильного рассеяния излучения и нелинейности оптического отклика, обусловленных сложной многокомпонентной структурой высоковязкой нефти. ЦЕЛЬ. Разработать модифицированную модель закона БЛБ, учитывающую влияние реологических свойств и рассеяния света на асфальтеново-смолистых агрегатах. Предложить новую модель, связывающую эффективный коэффициент поглощения со структурными параметрами нефти. Обосновать эффективность ультразвуковой (УЗ) обработки как метода пробоподготовки для повышения однородности нефтяной среды. МЕТОДЫ. При решении поставленных задач применялось теоретическое моделирование и механизмы УЗ обработки, и её влияние на оптические свойства. РЕЗУЛЬТАТЫ. Показано, что учет реологических свойств и рассеяния излучения необходим для адекватного описания прохождения инфракрасного (ИК) луча через высоковязкую нефть. Предложенная модификация закона БЛБ включает дополнительные члены, учитывающие оптическую плотность от рассеяния на частицах. Обоснована эффективность УЗ обработки: ультразвук снижает вязкость и неоднородность нефти, увеличивая пропускание ИК-излучения. ЗАКЛЮЧЕНИЕ. Интеграция реологических факторов в закон БЛБ и применение УЗ пробоподготовки значительно повысят точность ИК-анализа высоковязкой нефти. Это позволит более надежно определять функциональный состав высоковязких нефтей для решения задач повышения нефтеотдачи, оптимизации процессов и безопасности трубопроводного транспорта. УЗ обработка обеспечивает безреагентное снижение вязкости и рассеяния, что делает её перспективным методом пробоподготовки для экспресс-анализа.</p></abstract><trans-abstract xml:lang="en"><p>THE RELEVANCE of the research lies in the development of methods for analyzing high-viscosity oil, whose share in world reserves and production is continuously growing. Accurate rapid analysis of the composition of such oil is necessary to optimize its production, transportation, and selection of chemical additives that increase mobility. However, application of the classical Bouguer-Lambert-Baer (BLB) law is difficult due to strong scattering of radiation and nonlinearity of optical response caused by complex multicomponent structure of high viscosity oil. THE PURPOSE is to develop a modified model of BLB law that takes into account rheological properties, and light scattering by asphaltene-resinous aggregates, and propose new model linking effective absorption coefficient to structural parameters of oil. METHODS. To substantiate the effectiveness of ultrasonic treatment as a method for sample preparation to improve the linearity of an oil medium, we used theoretical modeling and mechanisms for ultrasonic processing and its effects on optical properties. RESULTS. We show that consideration of rheological properties and light scattering is essential for an adequate description of the transmission of infrared (IR) radiation through viscous oil. The proposed modification to the BLB law incorporates additional terms to account for optical density due to particle scattering. Ultrasonic treatment reduces viscosity and heterogeneity, improving the transmission of IR radiation, which justifies its effectiveness. CONCLUSION. Integrating rheological factors into the BLB model and using ultrasonic preparation improves the accuracy of IR analysis of viscous oils. This will make it possible to more reliably determine the functional composition of high-viscosity oils in order to solve problems of increasing oil recovery, optimizing processes, and pipeline transport safety. Ultrasonic treatment provides a non-reactive reduction in viscosity and scattering, making it a promising method for sample preparation for rapid analysis.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>высоковязкая нефть</kwd><kwd>инфракрасная спектроскопия</kwd><kwd>закон Бугера–Ламберта–Бера</kwd><kwd>надежность трубопроводов</kwd><kwd>реологические свойства</kwd><kwd>ультразвуковая обработка</kwd><kwd>вязкостные присадки</kwd></kwd-group><kwd-group xml:lang="en"><kwd>high viscosity oil</kwd><kwd>infrared spectroscopy</kwd><kwd>Bouger–Lambert–Baer's law</kwd><kwd>pipeline reliability</kwd><kwd>rheological properties</kwd><kwd>ultrasonic treatment</kwd><kwd>viscous additives</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">Semenova T., Sokolov I. 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