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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">maplants</journal-id><journal-title-group><journal-title xml:lang="ru">Машины и установки: проектирование, разработка и эксплуатация</journal-title><trans-title-group xml:lang="en"><trans-title>Machines and Plants: Design and Exploiting</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2412-592X</issn><publisher><publisher-name>МОО "Стратегия объединения"</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">maplants-18</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>МАШИНОВЕДЕНИЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MACHINE SCIENCE</subject></subj-group></article-categories><title-group><article-title>Изготовление элементов проточной части модели бустерного s-насоса двустороннего действия</article-title><trans-title-group xml:lang="en"><trans-title>Manufacturing Hydraulic Components for the Primary Double Entry S-Pump Model</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>Купцов</surname><given-names>С. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuptsov</surname><given-names>S. Iu.</given-names></name></name-alternatives><bio xml:lang="en"><p>Moscow</p></bio><email xlink:type="simple">kuptsov_semen@list.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>Моргунов</surname><given-names>Г. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Morgunov</surname><given-names>G. M.</given-names></name></name-alternatives><bio xml:lang="en"><p>Moscow</p></bio><email xlink:type="simple">ggm@mpei.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Национальный исследовательский университет "МЭИ"</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Research University "Moscow Power Engineering Institute"</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2015</year></pub-date><pub-date pub-type="epub"><day>17</day><month>06</month><year>2016</year></pub-date><volume>0</volume><issue>4</issue><fpage>33</fpage><lpage>43</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Купцов С.Ю., Моргунов Г.М., 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">Купцов С.Ю., Моргунов Г.М.</copyright-holder><copyright-holder xml:lang="en">Kuptsov S.I., Morgunov G.M.</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://www.maplants-journal.ru/jour/article/view/18">https://www.maplants-journal.ru/jour/article/view/18</self-uri><abstract><p>Излагается процесс изготовления элементов проточной части полирядного лопастного насоса с s-образной меридиональной проекцией и элементами подвода и отвода в форме эвольвенты. Приведена конструкция опытной модели бустерного s-насоса двустороннего действия. В основу конструкции заложена картриджная концепция агрегата. Изложены результаты численного моделирования рабочего процесса проточной части модели. Описана технология изготовления элементов проточной части насоса из высокопрочного ABS пластика с применением 3D-принтера с последующей процедурой поверхностного упрочнения готовых изделий в парах ацетона. Показаны изготовленные детали рабочих органов активной части насоса: колесо рабочее, аппарат направляющий, шнек. DOI: 10.7463/aplts.0415.0793275</p></abstract><trans-abstract xml:lang="en"><p>The article describes a new design of the primary pump to run in powerful units (more than 1 GW) of power plants. The new construction has some advantages such as compactness, theoretical lack of radial and axial forces, and high efficiency in a wide range of flow. The abovementioned advantages can be possible owing to applying an innovative shape of the pump flow path. An impeller with the guide vanes forms the three-row single stage in the each row axial double entry blade system. The inlet and outlet parts have a shape of the involute that can ensure (according to calculated data) the efficiency and stability in a wide range of flow because of a lack of the spiral parts. The results of numerical calculations of the pump working flow theoretically confirm that demanding parameters of the pump (H=286 m; Q=1,15 m3 /s) can be obtained with competitive efficiency. To verify the proposed advantages of the construction, there was decision made to conduct the real physical experiment. For this purpose the small model of a real pump was designed with parameters H=14 m, Q=13 l/s. Construction of the pump model has a cartridge conception. In addition, there is a possibility for quick replacement of the some parts of the blade system in case of operational development of the pump. In order to obtain hydraulic characteristics of the pump to say nothing of the electromotor the torque gauge coupling is used. Numerical calculations for the pump model were also performed which confirm the operability. For manufacturing of the blade system the new perspective technology is applied. The main hydraulic components (impellers and guide vanes) are made of ABS plastic by using 3D-printer. According to this technology parts are made layer by layer by means of welded plastic filament. Using this method the satisfactory tolerance (approximately ±0,3 mm) of the parts was obtained. At that moment, it is possible to create the parts with the maximum size no higher than 150 mm. Immersing finished parts in acetone vapor enable us to increase the surface strength and reduce roughness. At this stage of the work some plastic parts are ready for assembling operation. Now manufacturing of other plastic parts of the blade system is under way along with pre-production of the rotor and stator components.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>изготовление</kwd><kwd>эвольвента</kwd><kwd>прототипирование</kwd><kwd>численное моделирование</kwd><kwd>3D-принтер</kwd><kwd>колесо рабочее</kwd><kwd>S-насос</kwd><kwd>полирядный насос</kwd><kwd>ABS-пластик</kwd><kwd>аппарат направляющий</kwd><kwd>физический эксперимент</kwd></kwd-group><kwd-group xml:lang="en"><kwd>s-pump</kwd><kwd>involute</kwd><kwd>3D-printer</kwd><kwd>ABS plastic</kwd><kwd>numerical calculation</kwd><kwd>impeller</kwd><kwd>guide vanes</kwd><kwd>multi-row pump</kwd><kwd>physical experiment</kwd><kwd>manufacturing</kwd><kwd>prototyping</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">Купцов С.Ю., Моргунов Г.М. 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