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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">avroen</journal-id><journal-title-group><journal-title xml:lang="ru">Омский научный вестник. Серия "Авиационно-ракетное и энергетическое машиностроение"</journal-title><trans-title-group xml:lang="en"><trans-title>Omsk Scientific Bulletin. Series Aviation-Rocket and Power Engineering</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2588-0373</issn><issn pub-type="epub">2587-764X</issn><publisher><publisher-name>Омский государственный технический университет</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.25206/2588-0373-2023-7-4-15-24</article-id><article-id custom-type="elpub" pub-id-type="custom">avroen-19</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>ЭНЕРГЕТИЧЕСКОЕ И ХИМИЧЕСКОЕ МАШИНОСТРОЕНИЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>POWER AND CHEMICAL ENGINEERING</subject></subj-group></article-categories><title-group><article-title>Оценка степени влияния фактора подвижности стенок щели при расчёте величины протечек в рабочей части спирального компрессора. Часть 2</article-title><trans-title-group xml:lang="en"><trans-title>Assessment of the influence of gap wall mobility factor at calculation of leakage in working section of a scroll compressor. Part 2</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>Пронин</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Pronin</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ПРОНИН Владимир Александрович, доктор технических наук, профессор (Россия), профессор образовательного центра «Энергоэффективные инженерные системы»</p><p>191002, г. Санкт-Петербург, ул. Ломоносова, д. 9</p></bio><bio xml:lang="en"><p>PRONIN Vladimir Aleksandrovich, Doctor of Technical Sciences, Professor of Educational Centre «Energy Efficient Engineering Systems»</p><p>Saint Petersburg, Lomonosova str., 9, 191002</p></bio><email xlink:type="simple">maior.pronin@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/0000-0003-2821-795X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кованов</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kovanov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>КОВАНОВ Александр Викторович, аспирант образовательного центра «Энергоэффективные инженерные системы»</p><p>191002, г. Санкт-Петербург, ул. Ломоносова, д. 9</p></bio><bio xml:lang="en"><p>KOVANOV Alexander Victorovich, Graduate Student of Educational Centre «Energy Efficient Engineering Systems»</p><p>Saint Petersburg, Lomonosova str., 9, 191002</p></bio><email xlink:type="simple">avkovanov@itmo.ru</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>Цветков</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Tsvetkov</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ЦВЕТКОВ Вадим Александрович, аспирант, ассистент образовательного центра «Энергоэффективные инженерные системы»</p><p>191002, г. Санкт-Петербург, ул. Ломоносова, д. 9</p></bio><bio xml:lang="en"><p>TSVETKOV Vadim Aleksandrovich, Graduate Student, Assistant of Educational Centre «Energy Efficient Engineering Systems»</p><p>Saint Petersburg, Lomonosova str., 9, 191002</p></bio><email xlink:type="simple">wadimtsvetkov@mail.ru</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>Михайлова</surname><given-names>Е. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Mikhailova</surname><given-names>E. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>МИХАЙЛОВА Екатерина Николаевна, аспирант образовательного центра «Энергоэффективные инженерные системы»</p><p>191002, г. Санкт-Петербург, ул. Ломоносова, д. 9</p></bio><bio xml:lang="en"><p>MIKHAILOVA Ekaterina Nikolaevna, Graduate Student of Educational Centre «Energy Efficient Engineering Systems»</p><p>Saint Petersburg, Lomonosova str., 9, 191002</p></bio><email xlink:type="simple">mikhaylova_en@mail.ru</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>Белов</surname><given-names>П. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Belov</surname><given-names>P. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>БЕЛОВ Павел Андреевич, аспирант образовательного центра «Энергоэффективные инженерные системы»</p><p>191002, г. Санкт-Петербург, ул. Ломоносова, д. 9</p></bio><bio xml:lang="en"><p>BELOV Pavel Andreevich, Graduate Student of Educational Centre «Energy Efficient Engineering Systems»</p><p>Saint Petersburg, Lomonosova str., 9, 191002</p></bio><email xlink:type="simple">mr.belofff99@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Университет ИТМО<country>Россия</country></aff><aff xml:lang="en">ITMO University<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>12</month><year>2023</year></pub-date><volume>7</volume><issue>4</issue><fpage>15</fpage><lpage>24</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Пронин В.А., Кованов А.В., Цветков В.А., Михайлова Е.Н., Белов П.А., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Пронин В.А., Кованов А.В., Цветков В.А., Михайлова Е.Н., Белов П.А.</copyright-holder><copyright-holder xml:lang="en">Pronin V.A., Kovanov A.V., Tsvetkov V.A., Mikhailova E.N., Belov P.A.</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://ariem.omgtu.ru/jour/article/view/19">https://ariem.omgtu.ru/jour/article/view/19</self-uri><abstract><p>Протечки рабочего вещества в зазорах проточной части компрессора занимают большую долю его объемных потерь. От точности определения количественной составляющей зависит оптимальность расчетных и аппроксимированных характеристик. Соответственно адекватная и качественная математическая модель должна включать фактор нестационарности процесса протечек, с учетом подвижности спиральных элементов. Вместе с этим большую роль в характере протечек играют реальные свойства рабочей среды, характеризуемые коэффициентом сжимаемости. Таким образом, в настоящей статье ставится задача создания математической модели адекватной действительному процессу сжатия и позволяющей оценить степень влияния подвижности стенок щели на протечки через них. Результат численных расчетов по предложенной методике имеет меньшую погрешность относительно экспериментальных данных, чем результат, полученный без учета подвижности стенок щели. Также он показал значительное влияние на расход протечек как разности давлений на краях щели, так и вязкостных свойств паромасляной смеси, значительный процент которой составляет масло.</p></abstract><trans-abstract xml:lang="en"><p>Leakage of the working substance in the compressor's flow gaps accounts for a large share of its volumetric losses. The optimality of calculated and approximated characteristics depends on the accuracy of quantitative component determination. Accordingly, an adequate and qualitative mathematical model should include the factor of non-stationarity of the leakage process, taking into account the mobility of scroll elements. At the same time, the real properties of the working medium, characterized by the compressibility coefficient, play an important role in the nature of leakage. Thus, in this article the task of creating a mathematical model adequate to the actual process of compression and allowing to estimate the degree of influence of the slit walls mobility on the leakage through them is set. The result of numerical calculations has a smaller error in relation to experimental data, and it also showed a significant influence on the leakage rate of both the pressure difference at the edges of the slot and the viscosity properties of the vapour-oil mixture, a significant percentage of which is oil.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>спиральный компрессор</kwd><kwd>нестационарное течение в щелях</kwd><kwd>рабочий зазор</kwd><kwd>подвижность стенок щели</kwd><kwd>методика расчета протечек</kwd></kwd-group><kwd-group xml:lang="en"><kwd>scroll compressor</kwd><kwd>unsteady flow in slots</kwd><kwd>working gap</kwd><kwd>mobility of slot walls</kwd><kwd>leakage calculation methodology</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">Plaza E. L. Dynamic Analysis of a scroll compressor. 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