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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">uprinmatus</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Юго-Западного государственного университета. Серия: Управление, вычислительная техника, информатика. Медицинское приборостроение</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the Southwest State University. Series: IT Management, Computer Science, Computer Engineering. Medical Equipment Engineering</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2223-1536</issn><publisher><publisher-name>Юго-Западный государственный университет</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21869/2223-1536-2026-16-1-189-205</article-id><article-id custom-type="elpub" pub-id-type="custom">uprinmatus-444</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>МОДЕЛИРОВАНИЕ В МЕДИЦИНСКИХ И ТЕХНИЧЕСКИХ СИСТЕМАХ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MODELING IN MEDICAL AND TECHNICAL SYSTEMS</subject></subj-group></article-categories><title-group><article-title>Влияние геометрических параметров насосов аппарата  вспомогательного кровообращения на их напорно-расходные характеристики</article-title><trans-title-group xml:lang="en"><trans-title>The influence of the assisted blood circulation pumps geometry on their head-flow Characteristics</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0004-0688-9223</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кротов</surname><given-names>К. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Krotov</surname><given-names>K. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кротов Кирилл Владимирович, аспирант кафедры 614, инженер</p><p>Волоколамское ш., д. 4, г. Москва 125993</p></bio><bio xml:lang="en"><p>Kirill V. Krotov, Postgraduate at the Department  614</p><p>4 Volokolamskoe highway, Moscow 125993</p></bio><email xlink:type="simple">Krotovkv@yandex.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>Боярский</surname><given-names>Г. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Boyarsky</surname><given-names>G. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Боярский Глеб Геннадьевич, кандидат технических наук, ведущий инженер</p><p>Волоколамское ш., д. 4, г. Москва 125993</p></bio><bio xml:lang="en"><p>Gleb G. Boyarsky, Candidate of Sciences (Engineering), Lead engineer</p><p>4 Volokolamskoe highway, Moscow 125993</p></bio><email xlink:type="simple">boyarskijgg@mai.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/0000-0003-2131-751X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хаустов</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Khaustov</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хаустов Александр Иванович, доктор технических наук, профессор кафедры 614</p><p>Волоколамское ш., д. 4, г. Москва 125993</p></bio><bio xml:lang="en"><p>Alexander I. Khaustov, Doctor of Sciences (Engineering), Professor at the Department 614</p><p>4 Volokolamskoe highway, Moscow 125993</p></bio><email xlink:type="simple">khaustov.alex@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Московский авиационный институт (национальный исследовательский университет)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Moscow Aviation Institute (National Research 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>07</day><month>05</month><year>2026</year></pub-date><volume>16</volume><issue>1</issue><fpage>189</fpage><lpage>205</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кротов К.В., Боярский Г.Г., Хаустов А.И., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Кротов К.В., Боярский Г.Г., Хаустов А.И.</copyright-holder><copyright-holder xml:lang="en">Krotov K.V., Boyarsky G.G., Khaustov A.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://uprinmatus.elpub.ru/jour/article/view/444">https://uprinmatus.elpub.ru/jour/article/view/444</self-uri><abstract><sec><title>Цель исследования</title><p>Цель исследования. Статья посвящена оценке влияния геометрических параметров насосов аппарата вспомогательного кровообращения на угол наклона напорно-расходной характеристики. Цель исследования обусловлена необходимостью разработки новых и модернизации известных насосов для аппаратов вспомогательного кровообращения.</p></sec><sec><title>Методы</title><p> Методы. Для оценки влияния геометрических параметров на наклон напорно-расходной характеристики разработан трехфакторный план численного эксперимента, состоящий из 21 насоса, имеющего разные геометрические параметры. Факторами являлись: диаметр втулки d, диаметр периферии D и угол диагональности втулки φ рабочего колеса насоса. Численное моделирование течения крови в насосах выполнялось методом конечных объемов в расчетном пакете OpenFOAM11. Для расчета использован метод SIMPLE, а для учета вращения применена технология MRF.</p></sec><sec><title>Результаты</title><p>Результаты. В результате численного эксперимента получены относительные напорно-расходные характеристики каждого из насосов, показывающие влияние диаметров D, d и диагональности φ на наклон напорно-расходной характеристики, которые методом наименьших квадратов аппроксимированы полиномом 3-й степени. Полученные зависимости позволяют определять частоту вращения насоса для любого его режима работы. Из обобщения результатов численного моделирования течения крови в насосах получены трехмерные поверхности, представляющие множество зависимостей наклона напорно расходной характеристики от геометрических параметров проточной части насосов.</p></sec><sec><title>Заключение</title><p>Заключение. Установлено, что изменением диаметров втулки и периферии, угла диагональности можно добиться требуемого увеличения наклона напорно-расходной характеристики. Минимальный наклон достигается при средних значениях факторов D, d, φ численного эксперимента, а максимальный – при минимуме и при максимуме значений диаметров. Материалы статьи представляют практическую ценность при проектировании новых и модернизации осевых насосов аппаратов вспомогательного кровообращения</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Purpose of research</title><p>Purpose of research. The object of the article is to determine the influence of the assisted blood circulation pumps geometry on the head-flow characteristic slope. Reasoning for the research consists of necessity in new blood circu lation assist pumps and demand for improving existing devices.</p></sec><sec><title>Methods</title><p>Methods. To assess the effect of geometric parameters on the slope of the head-flow characteristics, a three-factor numerical experiment plan has been developed, consisting of 21 pumps with different geometric parameters. The factors were: the diameter of the sleeve d, the diameter of the periphery D, and the diagonal angle of the sleeve φ of the pump impeller. Numerical simulation of blood flow in pumps was performed using the finite volume method in the OpenFOAM11 calculation package. The SIMPLE method was used for the calculation, and the MRF technology was used to account for rotation.</p></sec><sec><title>Results</title><p>Results. As a result of the numerical experiment, relative head-flow characteristics for each pump were obtained, showing the influence of diameters D, d, and diagonality φ on the slope of the head-flow characteristic; these were approximated by a 3rd-degree polynomial using the least squares method. The obtained dependencies allow for de termining the pump rotation speed for any of its operating regimes. From the generalization of the results of numeri cal modeling of blood flow in the pumps, 3D-surfaces were obtained, representing a set of dependencies of the head flow characteristic slope on the geometric parameters of the pump flow path.</p></sec><sec><title>Conclusion</title><p>Conclusion.. It was established that the required increase in head-flow characteristic slope can be achieved by changing the hub and shroud diameters and the angle of diagonality. The minimum slope is achieved at the average values of the numerical experiment factors. The maximum slope corresponds with minimum and maximum diameter values. The research results have a practical value for designing and improving axial pumps of the assisted blood circulation devices</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>осевой насос</kwd><kwd>аппарат вспомогательного кровообращения</kwd><kwd>вычислительная гидродинамика</kwd><kwd>планирование эксперимента</kwd><kwd>численное моделирование</kwd><kwd>метод конечных объемов</kwd></kwd-group><kwd-group xml:lang="en"><kwd>axial pump</kwd><kwd>assisted blood circulation device</kwd><kwd>computational fluid dynamics</kwd><kwd>experiment planning</kwd><kwd>numerical simulation</kwd><kwd>finite volume method</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">The Heart of the World / M. Di Cesare, P. Perel, S. Taylor, C. Kabudula, H. Bixby, T. A. Gaziano [et al.] // Glob. Heart. 2024. N 19. 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