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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">vtio</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник трансплантологии и искусственных органов</journal-title><trans-title-group xml:lang="en"><trans-title>Russian Journal of Transplantology and Artificial Organs</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1995-1191</issn><publisher><publisher-name>Academician V.I.Shumakov National Medical Research Center of Transplantology and Artificial Organs", Ministry of Health of the Russian Federation</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.15825/1995-1191-2020-3-79-85</article-id><article-id custom-type="elpub" pub-id-type="custom">vtio-1230</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>Трансплантация сердца и вспомогательное кровообращение</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Heart Transplantation and Assisted Circulation</subject></subj-group></article-categories><title-group><article-title>Математическая оценка гемолиза канального центробежного насоса</article-title><trans-title-group xml:lang="en"><trans-title>Mathematical evaluation of hemolysis in a channel centrifugal blood pump</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>Кулешов</surname><given-names>А. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuleshov</surname><given-names>A. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кулешов Аркадий Павлович.</p><p>Адрес: 123182, Москва, ул. Щукинская, д. 1.</p><p>Тел. (915) 292-47-98.</p></bio><bio xml:lang="en"><p>Arkady Kuleshov.</p><p>Address: 1, Shchukinskaya str., Moscow, Russian Federation. </p><p>Phone: (915) 292-47-98.</p></bio><email xlink:type="simple">ilovemylene@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>Иткин</surname><given-names>Г. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Itkin</surname><given-names>G. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бучнев</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Buchnev</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дробышев</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Drobyshev</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБУ «Национальный медицинский исследовательский центр трансплантологии и искусственных органов имени академика В.И. Шумакова» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Shumakov National Medical Research Center of Transplantology and Artificial Organs</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГБУ «Национальный медицинский исследовательский центр трансплантологии и искусственных органов имени академика В.И. Шумакова» Минздрава России; ФГАОУ ВО «Московский физико-технический институт (национальный исследовательский университет)»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Shumakov National Medical Research Center of Transplantology and Artificial Organs; Moscow Institute of Physics and Technology</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>06</day><month>10</month><year>2020</year></pub-date><volume>22</volume><issue>3</issue><fpage>79</fpage><lpage>85</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кулешов А.П., Иткин Г.П., Бучнев А.С., Дробышев А.А., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Кулешов А.П., Иткин Г.П., Бучнев А.С., Дробышев А.А.</copyright-holder><copyright-holder xml:lang="en">Kuleshov A.P., Itkin G.P., Buchnev A.S., Drobyshev A.A.</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://journal.transpl.ru/vtio/article/view/1230">https://journal.transpl.ru/vtio/article/view/1230</self-uri><abstract><p>Целью работы является проведение исследований на математической модели по оценке гемолитических характеристик в разработанном нами канальном центробежном насосе в диапазоне скоростей рабочего колеса 2000–3400 об/мин и перепадом давления 100–250 мм рт. cт. в разных отделах проточного тракта насоса. Расчетный индекс гемолиза проведен при скоростях потока от 1 до 10 л/мин. Результатом работы явилась оценка среднего значения касательного напряжения (КН) с учетом распределения в насосе, которое составило от 40 до 60 Па. Были проведены оценки наиболее критичных с точки зрения травмы крови зон насоса. В результате расчетов определены максимальные КН в зоне РК 456 Па и прилежащей зоне корпуса 533,3 Па, при соответствующем времени экспозиции 0,0115 и 0,0821 с. В этих зонах наблюдаются максимальные значения ИГ 0,0420 и 0,0744. На основании полученных данных была проведена оптимизация данных зон с точки зрения минимизации гемолиза.</p></abstract><trans-abstract xml:lang="en"><p>The objective of this work is to conduct research on a mathematical model to assess hemolytic characteristics in a channel centrifugal blood pump developed by us with 2000–3400 rpm impeller speed range and 100–250 mmHg pressure drop in different parts of the pump flow path. Hemolysis index was measured at 1 to 10 L/min flow rate. The result was an estimate of the average magnitude of the shear stress (SS), taking into account the distribution in the pump, which ranged from 40 to 60 Pa. The most critical areas of the pump in terms of blood injury were evaluated. The maximum SSs were determined: 456 Pa in the impeller wheel zone and 533.3 Pa in the adjacent area of the body, with an exposure time of 0.0115 s and 0.0821 s respectively. In these zones, maximum hemolysis index values were 0.0420 and 0.0744 respectively. Based on the data obtained, these zones were optimized in terms of minimizing hemolysis.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>3D-моделирование</kwd><kwd>механическая поддержка кровообращения</kwd><kwd>канальный центробежный насос</kwd><kwd>касательное напряжение</kwd><kwd>время экспозиции</kwd><kwd>индекс гемолиза</kwd></kwd-group><kwd-group xml:lang="en"><kwd>3D modeling</kwd><kwd>mechanical circulatory support</kwd><kwd>channel centrifugal blood pump</kwd><kwd>shear stress</kwd><kwd>exposure time</kwd><kwd>hemolysis index</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">Wiegmann L, Thamsen B, de Zélicourt D, Granegger M, Boës S, Schmid Daners M, Kurtcuoglu V. Fluid dynamics in the HeartMate 3: Influence of the artificial pulse feature and residual cardiac pulsation. Artif Organs. 2019 Apr 7; 43 (4): 363–376. 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