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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">probener</journal-id><journal-title-group><journal-title xml:lang="ru">Известия высших учебных заведений. ПРОБЛЕМЫ ЭНЕРГЕТИКИ</journal-title><trans-title-group xml:lang="en"><trans-title>Power engineering: research, equipment, technology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1998-9903</issn><issn pub-type="epub">2658-5456</issn><publisher><publisher-name>Kazan State Power Engineering  University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.30724/1998-9903-2020-22-4-16-23</article-id><article-id custom-type="elpub" pub-id-type="custom">probener-1403</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>ЭНЕРГЕТИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>POWER ENGINEERING</subject></subj-group></article-categories><title-group><article-title>Влияние отборов охлаждающего воздуха на эффективность газотурбинной установки</article-title><trans-title-group xml:lang="en"><trans-title>Influence of cooling air selections on the efficiency of a gas turbine installation</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>Мубараков</surname><given-names>И. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Mubarakov</surname><given-names>I. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мубараков Ильсаф Ильнурович – студент магистерского отделения кафедры «Энергетическое машиностроение» (ЭМС)</p><p>Казань</p></bio><bio xml:lang="en"><p>Ilsaf I. Mubarakov</p><p>Kazan</p></bio><email xlink:type="simple">ililmub@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>Шигапов</surname><given-names>А. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Shigapov</surname><given-names>A. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шигапов Айрат Багаутдинович – доктор технических наук, профессор кафедры «Энергетическое машиностроение» (ЭМС)</p><p>Казань</p></bio><bio xml:lang="en"><p>Ayrat B. Shigapov</p><p>Kazan</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Казанский государственный энергетический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Kazan State Power Engineering University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>14</day><month>11</month><year>2020</year></pub-date><volume>22</volume><issue>4</issue><fpage>16</fpage><lpage>23</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Мубараков И.И., Шигапов А.Б., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Мубараков И.И., Шигапов А.Б.</copyright-holder><copyright-holder xml:lang="en">Mubarakov I.I., Shigapov A.B.</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.energyret.ru/jour/article/view/1403">https://www.energyret.ru/jour/article/view/1403</self-uri><abstract><p>Газотурбинная установка (далее ГТУ) состоит из 5 основных частей: входное устройство, компрессор, камера сгорания, газовая турбина, выходное устройство. В данной работе в связи с отсутствием достаточно обширной информации по стационарным ГТУ, частично были использованы данные из характеристик авиационных ГТУ. На эффективность работы ГТУ влияет множество факторов, среди которых, видимо, определяющим является степень сжатия воздуха в компрессоре π К . Разумеется, степень сжатия зависит от конструктивной схемы ГТУ, вида топлива, климатических условии эксплуатации и другие. Наиболее важным эксплуатационным параметром ГТУ является полезная мощность NP и удельный расход топлива bud . В статье дан численный анализ влияния π К на NP и bud . В статье дан численный анализ влияния π К на NP и bud при вариации температуры газов на входе в турбину T3 , а также влияние других факторов, среди которых отбор части воздуха на охлаждении высокотемпературных поверхностей конструкции. Выводы были сделаны исходя из расчѐтов результаты, которых приведены в таблицах, и графиков сравнения полученных результатов.</p></abstract><trans-abstract xml:lang="en"><p>A gas turbine installation (GTI) consists of 5 main parts: an input device, a compressor, a combustion chamber, a gas turbine, and an output device. In this work, due to the lack of sufficiently extensive information about stationary GTI, data from the characteristics of aviation GTI were partially used. The GTI operation efficiency is influenced by many factors, among which, apparently, the determining factor is the degree of air compression in the compressor π К . Of course, the compression ratio depends on the design scheme of the gas turbine, the type of fuel, the climatic conditions of operation, and others. The most important operational parameter of the GTI is the effective power NP and specific fuel consumption bud . The article provides a numerical analysis of the effect π К on NP and bud under variations in the temperature of gases at the turbine inlet T3 , as well as the influence of other factors, including the selection of part of the air for cooling high-temperature surfaces of the structure. The conclusions were made based on the calculations, the results of which are shown in the tables, and in the comparison graphs of obtained results.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>ГТУ</kwd><kwd>оптимальная степень сжатия в компрессоре</kwd><kwd>полезная мощность</kwd><kwd>отборы</kwd><kwd>влияние</kwd></kwd-group><kwd-group xml:lang="en"><kwd>GTI</kwd><kwd>an optimal compression ratio in the compressor</kwd><kwd>the effective power</kwd><kwd>bleed air</kwd><kwd>influence</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">Уваров В.В. 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