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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">10.30724/1998-9903-2019-21-3-4-15-21</article-id><article-id custom-type="elpub" pub-id-type="custom">probener-919</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>Численное моделирование стабилизации теплопроизводительности парового котла при сжигании попутного нефтяного газа</article-title><trans-title-group xml:lang="en"><trans-title>Numerical modeling of stabilization of the heat output of a steam boiler in the combustion of associated petroleum gas</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0823-9051</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сайфуллин</surname><given-names>Э. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Saifullin</surname><given-names>E. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сайфуллин Эмиль Ринатович – аспирант КФУ.</p></bio><bio xml:lang="en"/><email xlink:type="simple">mr.emilsr@gmail.com</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>Ларионов</surname><given-names>В. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Larionov</surname><given-names>V. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ларионов Виктор Михайлович – доктор технических наук,  профессор КФУ .</p></bio><bio xml:lang="en"/><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ваньков</surname><given-names>Ю. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Vankov</surname><given-names>Yu. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ваньков Юрий Витальевич – доктор технических наук,  профессор, заведующий  кафедрой промышленной теплоэнергетика и системы теплоснабжения (ПТЭ) КГЭУ.</p></bio><bio xml:lang="en"/><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Казанский Федеральный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Kazan Federal University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><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>2019</year></pub-date><pub-date pub-type="epub"><day>18</day><month>06</month><year>2019</year></pub-date><volume>21</volume><issue>3-4</issue><fpage>15</fpage><lpage>21</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Сайфуллин Э.Р., Ларионов В.М., Ваньков Ю.В., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Сайфуллин Э.Р., Ларионов В.М., Ваньков Ю.В.</copyright-holder><copyright-holder xml:lang="en">Saifullin E.R., Larionov V.M., Vankov Y.V.</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/919">https://www.energyret.ru/jour/article/view/919</self-uri><abstract><p>Состав газообразного топлива может меняться в широких пределах, в зависимости от источника, времени и стадии разработки конкретного месторождения. Изменение состава приводит к изменению теплофизических характеристик топлива, что влияет на стабильность работы котельных агрегатов. В данной статье представлены результаты численного  моделирования стабилизации теплопроизводительности и полноты сгорания попутного нефтяного газа (ПНГ) в случае длительного непрерывного изменения его состава. Моделирование проводилось по разработанному ранее алгоритму оптимизации процесса горения углеводородного топлива (УВТ) переменного состава. Результаты моделирования показали, что при медленном непрерывном изменении удельной теплоты сгорания (УТС) топлива с относительной скоростью изменения 1 % за время тепловой инерции, стабилизация работы котла по предложенному алгоритму позволяет поддерживать температуру теплоносителя на  выходе  из  котла  в  пределах  10  %  от требуемой.</p></abstract><trans-abstract xml:lang="en"><p>The composition of the gaseous fuel can vary widely, depending on the source, time and stage of development of a particular field. Changes in composition leads to a change in the thermophysical characteristics of the fuel, which affects the stability of the operation of the boiler units. This article presents the results of a numerical simulation of the stabilization of heating capacity and the completeness of combustion of associated petroleum gas (APG) in the event of a prolonged, continuous change  in  its  composition. The simulation was  carried  out  using  the previously developed algorithm for optimizing the combustion process of the hydrocarbon fuel (HCF) of variable composition. The simulation results showed that with a slow continuous change in the fuel low heating value with a relative rate of change of 1% during the time of thermal inertia, the stabilization of the operation of the boiler according to the proposed algorithm allows maintaining the steam temperature at the outlet within 10% of the required.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>теплоэнергетика</kwd><kwd>котлоагрегат</kwd><kwd>оптимизация горения</kwd><kwd>переменный состав топлива</kwd><kwd>попутный нефтяной газ</kwd></kwd-group><kwd-group xml:lang="en"><kwd>heat power engineering</kwd><kwd>industrial boiler</kwd><kwd>combustion optimization</kwd><kwd>variable fuel composition</kwd><kwd>heat engineering</kwd><kwd>associated petroleum gas</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена за счет средств субсидии, выделенной в рамках государственной поддержки Казанского (Приволжского) федерального университета в целях повышения его конкурентоспособности среди ведущих мировых научно-образовательных центров.</funding-statement><funding-statement xml:lang="en">The work is performed according to the Russian Government Program of Competitive Growth of Kazan Federal University</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Указ Президента Российской Федерации "Об утверждении приоритетных направлений развития науки, технологий и техники в Российской Федерации и перечня критических технологий Российской Федерации" от 7 июля 2011 г № 899 // Собрание законодательства Российской Федерации.</mixed-citation><mixed-citation xml:lang="en">Decree of the President of the Russian Federation "On the approval of priority directions for the development  of  science,  technology  and  technology  in  the  Russian  Federation  and  the  list  of  critical technologies of the Russian Federation" of July 7, 2011 No. 899 // Collected Legislation of the Russian Federation.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Акт правительства Российской Федерации "Энергетическая стратегия России на период до 2030 года" от 13 ноября 2009 г. № 1715-р // Собрание законодательства Российской Федерации.</mixed-citation><mixed-citation xml:lang="en">Act of the Government of the Russian Federation "The Energy Strategy of Russia for the period until 2030" of November 13, 2009 No. 1715-p // Meeting of the Legislation of the Russian Federation.</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">A.I. 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