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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Izvestiya MGTU MAMI</journal-id><journal-title-group><journal-title xml:lang="en">Izvestiya MGTU MAMI</journal-title><trans-title-group xml:lang="ru"><trans-title>Известия МГТУ “МАМИ“</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2074-0530</issn><issn publication-format="electronic">2949-1428</issn><publisher><publisher-name xml:lang="en">Moscow Polytechnic University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">105552</article-id><article-id pub-id-type="doi">10.31992/2074-0530-2021-49-3-87-94</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Finding the optimal compressor impeller material to improve the efficiency of the turbocharging system</article-title><trans-title-group xml:lang="ru"><trans-title>Поиск оптимального материала рабочего колеса компрессора с целью повышения эффективности работы системы турбонаддува</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Rakhmatullin</surname><given-names>S. S.</given-names></name><name xml:lang="ru"><surname>Рахматуллин</surname><given-names>С. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>samatrakhmatullin@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Kazan State Power Engineering University</institution></aff><aff><institution xml:lang="ru">Казанский государственный энергетический университет</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2021-09-15" publication-format="electronic"><day>15</day><month>09</month><year>2021</year></pub-date><volume>15</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>87</fpage><lpage>94</lpage><history><date date-type="received" iso-8601-date="2022-03-28"><day>28</day><month>03</month><year>2022</year></date><date date-type="accepted" iso-8601-date="2022-03-28"><day>28</day><month>03</month><year>2022</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2021, Rakhmatullin S.S.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2021, Рахматуллин С.С.</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="en">Rakhmatullin S.S.</copyright-holder><copyright-holder xml:lang="ru">Рахматуллин С.С.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by-nc-nd/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.eco-vector.com/2074-0530/article/view/105552">https://journals.eco-vector.com/2074-0530/article/view/105552</self-uri><abstract xml:lang="en"><p>Vehicles powered by diesel engines are equipped with superchargers in order to improve the efficiency of vehicles. The efficiency of the turbochargers themselves partly depends on the optimum performance of their impellers, which in turn is achieved by choosing the right impeller materials. An important property of the material of the turbine wheel is heat resistance to the incoming exhaust gases, and for the compressor wheel it is the resistance to the pressure of the air simultaneously supplied to it and forced by it.</p> <p>In this paper, the issue of increasing the efficiency of the turbocharging system is considered in the context of comparing three materials (nickel and titanium alloys, structural steel), which are proposed for the manufacture of a compressor impeller by designing its model using computer software products. The measurements of real turbocharging elements and their characteristics are transferred to CREO, where the required dimensions are calculated and other necessary calculations are carried out, which are then imported into ANSYS for the purpose of subsequent research, including thermal and structural analyzes. Comparison of the analysis results allows us to conclude that the nickel alloy is superior to other materials under consideration in terms of its minimum susceptibility to deformation and obtaining the lowest total heat flux in the compressor impeller, and to recommend this material for use in turbocharging or for its subsequent comparison with previously not considered materials, which, as suggested in the study, to some extent can contribute to an increase in the efficiency of the vehicle.</p></abstract><trans-abstract xml:lang="ru"><p>Зачастую с целью повышения эффективности транспортных средств, работающих на дизельных двигателях, на них устанавливаются трубонаддувы. Часть эффективности работы самих турбонаддувов зависит от оптимальных характеристик их рабочих колес, которые в свою очередь достигаются выбором подходящих материалов для изготовления импеллеров. Важным свойством материала турбинного колеса является жаростойкость к поступающим отработавшим газам, а компрессорного — стойкость к давлению воздуха, одновременно подающегося к нему и нагнетающегося им.</p> <p>В исследовании вопрос повышения эффективности работы системы турбонаддува рассматривается в контексте сравнения трех материалов (никелевый и титановый сплавы, конструкционная сталь), предлагаемых для изготовления рабочего колеса компрессора, путем проектирования его модели с помощью компьютерных программных продуктов. Для этого замеры реальных элементов турбонаддува и их характеристики переносятся в <italic>CREO</italic>, где высчитываются нужные размеры и проводятся другие необходимые расчеты, которые далее импортируются в <italic>ANSYS</italic> с целью последующего исследования, включающего в себя тепловой и конструкционный анализы. Сравнение результатов анализов позволяют сделать вывод о преимуществе никелевого сплава над другими рассматриваемыми материалами в плане его минимальной подверженности деформированию и получения наименьшего суммарного теплового потока в компрессорном рабочем колесе и рекомендовать этот материал к применению в турбонаддуве или к последующему его сопоставлению и сравнению с ранее не рассмотренными материалами, что, как предполагается в исследовании, в совокупном итоге и в некоторой степени может способствовать повышению эффективности самого транспортного средства в целом.</p></trans-abstract><kwd-group xml:lang="en"><kwd>turbocharging</kwd><kwd>engine</kwd><kwd>compressor wheel</kwd><kwd>efficiency improvement</kwd><kwd>nickel alloy</kwd><kwd>3D model</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>турбонаддув</kwd><kwd>двигатель</kwd><kwd>компрессорное колесо</kwd><kwd>повышение эффективности</kwd><kwd>никелевый сплав</kwd><kwd>трехмерная модель</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Watson N., Janota M. 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