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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">10.25206/2588-0373-2023-7-1-47-54</article-id><article-id custom-type="elpub" pub-id-type="custom">avroen-57</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>Методика проектирования и оптимизации лопастной системы радиально-осевой гидротурбины</article-title><trans-title-group xml:lang="en"><trans-title>Technique for designing and optimization of the francis turbine blade system</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9284-171X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Омран</surname><given-names>М.</given-names></name><name name-style="western" xml:lang="en"><surname>Omran</surname><given-names>M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Омран Мохаммад, аспирант - Высшей школы энергетического машиностроения Института энергетики. SPIN-код: 5292-5533. AuthorID (РИНЦ): 1161680. ResearcherID: GZG-2431-2022.</p><p>195251, Санкт-Петербург, ул. Политехническая, 29</p></bio><bio xml:lang="en"><p>Omran Mohammad - Graduate Student of Higher School of Power Engineering, Institute of Energy, Peter the Great St. Petersburg Polytechnic University (SPbPU), SPIN-code: 5292-5533. AuthorID (RSCI): 1161680. ResearcherID: GZG-2431-2022.</p><p>Saint Petersburg, Politechnicheskaya str., 29, 195251</p></bio><email xlink:type="simple">omranmohmmd58@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3044-8768</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Жарковский</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Zharkovskiy</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Жарковский Александр Аркадьевич, доктор технических наук, профессор (Россия), профессор Высшей школы энергетического машиностроения Института энергетики СПбПУ, SPIN-код: 3637-7853. AuthorID (РИНЦ) 320919. AuthorID (SCOPUS): 7004534701. ResearcherID: Т-3278-2018.</p><p>195251, Санкт-Петербург, ул. Политехническая, 29</p></bio><bio xml:lang="en"><p>Zharkovskiy Alexander Arkadyevich - Doctor of Technical Sciences, Professor of Higher School of Power Engineering, Institute of Energy, SPbPU, SPIN-code: 3637-7853. AuthorID (RSCI) 320919. AuthorID (SCOPUS): 7004534701. ResearcherID: Т-3278-2018.</p><p>Saint Petersburg, Politechnicheskaya str., 29, 195251</p></bio><email xlink:type="simple">azharkovsky@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9816-4323</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Щур</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Schur</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Щур Василий Алексеевич - кандидат технических наук, доцент (Россия), доцент Высшей школы энергетического машиностроения Института энергетики СПбПУ, SPIN-код: 3626-5109. AuthorID (РИНЦ): 1053584.</p><p>195251, Санкт-Петербург, ул. Политехническая, 29</p></bio><bio xml:lang="en"><p>Schur Vasiliy Alekseyevich - Candidate of Technical Sciences, Associate Professor of Higher School of Power Engineering, Institute of Energy, SPbPU, SPIN-code: 3626-5109. AuthorID (RSCI): 1053584.</p><p>Saint Petersburg, Politechnicheskaya str., 29, 195251</p></bio><email xlink:type="simple">tshur_va@spbstu.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/0000-0003-4671-0596</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Свобода</surname><given-names>Д. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Svoboda</surname><given-names>D. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Свобода Дмитрий Геннадьевич - кандидат технических наук, доцент (Россия), доцент Высшей школы энергетического машиностроения Института энергетики СПбПУ, SPIN-код: 7818-6325. AuthorID (РИНЦ): 651622. AuthorID (SCOPUS): 57205464117. ResearcherID: AAI-8147-2020.</p><p>195251, Санкт-Петербург, ул. Политехническая, 29</p></bio><bio xml:lang="en"><p>Svoboda Dmitriy Gennadyevich - Candidate of Technical Sciences, Associate Professor of Higher School of Power Engineering, Institute of Energy, SPbPU, SPIN-code: 7818-6325. AuthorID (RCSI): 651622. AuthorID (SCOPUS): 57205464117. ResearcherID: AAI-8147-2020.</p><p>Saint Petersburg, Politechnicheskaya str., 29, 195251</p></bio><email xlink:type="simple">svoboda.dmitry@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Санкт-Петербургский политехнический университет Петра Великого<country>Россия</country></aff><aff xml:lang="en">Peter the Great St. Petersburg Polytechnic 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>03</month><year>2023</year></pub-date><volume>7</volume><issue>1</issue><fpage>47</fpage><lpage>54</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Омран М., Жарковский А.А., Щур В.А., Свобода Д.Г., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Омран М., Жарковский А.А., Щур В.А., Свобода Д.Г.</copyright-holder><copyright-holder xml:lang="en">Omran M., Zharkovskiy A.A., Schur V.A., Svoboda D.G.</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/57">https://ariem.omgtu.ru/jour/article/view/57</self-uri><abstract><p>Предложена методика проектирования и оптимизации лопастной системы радиально-осевой гидротурбины начиная с определения основных параметров всей проточной части. Также определяется диаметр рабочего колеса, необходимый для выработки номинальной мощности. Затем с помощью программы, реализующей квазитрехмерный подход, получается форма лопасти в первом приближении. Далее проводится серия расчетов трехмерного однофазного и двухфазного вязкого течения с целью определения КПД и кавитационных качеств гидротурбины при различных режимах работы. Критические значения коэффициента кавитации определены для трех режимов работы гидротурбины. С использованием многоцелевого генетического алгоритма (MOGA) по созданной поверхности отклика и суррогатной модели, ее описывающей, проведена оптимизация энергетических и кавитационных качеств гидротурбины на трех режимах ее работы. В результате оптимизации получено значительное повышение КПД гидротурбины, особенно при частичных нагрузках.</p></abstract><trans-abstract xml:lang="en"><p>A technique for designing the blade systems of Francis turbine is proposed. Starting with the determination the main parameters of the turbine components, where it is compatible with the operation of a hydraulic turbine at a given head. Also, the diameter of the impeller required to generate the nominal power. Then, using the realizing of the quasi-three-dimensional approach, the shape of the blade is obtained as a first approximation for a given blade, a series of calculations of three-dimensional single-phase and twophase viscous flow is performed to determine the efficiency of the turbine at different operating modes, the cavitation properties of the turbine, respectively. The critical cavitation coefficient is determined for three operating points of hydraulic turbines. Using Multi-objective Genetic Algorithm (MOGA), the optimization of energy and cavitation properties is carried out for three operations pointes. The mathematical model is based on the Latin hypercube method. As a result of the optimization, a significant improvement in the efficiency of the hydraulic turbine has been obtained, especially at partial loads.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>радиально-осевая гидротурбина</kwd><kwd>лопастная система</kwd><kwd>многоцелевой генетический алгоритм</kwd><kwd>математическая модель</kwd><kwd>кавитация</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Francis turbine</kwd><kwd>blade system</kwd><kwd>multi-objective genetic algorithm</kwd><kwd>mathematical model</kwd><kwd>cavitation</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">Миронов К. А., Яковлева Л. К., Гулахмадов А. А. Совершенствование проточных частей радиально-осевых гидротурбин // Вісник НТУ «ХПІ». Серія: Енергетичні та теплотехнічні процеси та устаткування. 2014. № 1 (1044). С. 146–151.</mixed-citation><mixed-citation xml:lang="en">Mironov K. A., Yakovleva L. 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