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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">Tractors and Agricultural Machinery</journal-id><journal-title-group><journal-title xml:lang="en">Tractors and Agricultural Machinery</journal-title><trans-title-group xml:lang="ru"><trans-title>Тракторы и сельхозмашины</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0321-4443</issn><issn publication-format="electronic">2782-425X</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">313323</article-id><article-id pub-id-type="doi">10.17816/0321-4443-313323</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Economics, organization and technology of nanufacturing</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Экономика, организация и технология производства</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">Economical efficiency of using a diesel-powered electric plant combined with an air heat pump</article-title><trans-title-group xml:lang="ru"><trans-title>Экономическая эффективность использования электростанции на базе дизеля совместно с воздушным тепловым насосом</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2356-6587</contrib-id><name-alternatives><name xml:lang="en"><surname>Frolov</surname><given-names>Mikhail Y.</given-names></name><name xml:lang="ru"><surname>Фролов</surname><given-names>Михаил Юрьевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Tech.), Associate Professor of the of Power Engineering Department</p></bio><bio xml:lang="ru"><p>канд. техн. наук, доцент кафедры энергетического машиностроения</p></bio><email>frolov-myu@rudn.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7302-4247</contrib-id><contrib-id contrib-id-type="scopus">57200276456</contrib-id><contrib-id contrib-id-type="researcherid">AAB-3661-2019</contrib-id><contrib-id contrib-id-type="spin">2455-4647</contrib-id><name-alternatives><name xml:lang="en"><surname>Shatalova</surname><given-names>Irina I.</given-names></name><name xml:lang="ru"><surname>Шаталова</surname><given-names>Ирина Ивановна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Agricult.), Associate Professor of the Innovation Management in Industries Department</p></bio><bio xml:lang="ru"><p>канд. сель.-хоз. наук, доцент департамента инновационного менеджмента в отраслях промышленности</p></bio><email>shatalova_ii@pfur.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5680-517X</contrib-id><contrib-id contrib-id-type="scopus">57208439232</contrib-id><contrib-id contrib-id-type="researcherid">ACZ-2056-2022</contrib-id><contrib-id contrib-id-type="spin">4599-9150</contrib-id><name-alternatives><name xml:lang="en"><surname>Shkarin</surname><given-names>Kirill V.</given-names></name><name xml:lang="ru"><surname>Шкарин</surname><given-names>Кирилл Владимирович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Assistant of the of Power Engineering Department</p></bio><bio xml:lang="ru"><p>ассистент кафедры энергетического машиностроения</p></bio><email>shkarin-kv@rudn.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5175-2219</contrib-id><contrib-id contrib-id-type="researcherid">AFZ-0375-2022</contrib-id><contrib-id contrib-id-type="spin">1084-7419</contrib-id><name-alternatives><name xml:lang="en"><surname>Sokolov</surname><given-names>Dmitriy A.</given-names></name><name xml:lang="ru"><surname>Соколов</surname><given-names>Дмитрий Андреевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Postraduate Student, Head of Laboratory at the Power Engineering Department</p></bio><bio xml:lang="ru"><p>аспирант, заведующий лабораторией кафедры энергетического машиностроения</p></bio><email>sokolov-da@rudn.ru</email><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Peoples’ Friendship University of Russia</institution></aff><aff><institution xml:lang="ru">Российский университет дружбы народов</institution></aff><aff><institution xml:lang="zh"></institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Peoples’ Friendship University of Russia</institution></aff><aff><institution xml:lang="ru">Российский университет дружбы народов</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2023-08-05" publication-format="electronic"><day>05</day><month>08</month><year>2023</year></pub-date><pub-date date-type="pub" iso-8601-date="2023-09-14" publication-format="electronic"><day>14</day><month>09</month><year>2023</year></pub-date><volume>90</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>285</fpage><lpage>291</lpage><history><date date-type="received" iso-8601-date="2023-03-12"><day>12</day><month>03</month><year>2023</year></date><date date-type="accepted" iso-8601-date="2023-08-01"><day>01</day><month>08</month><year>2023</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2023, Eco-Vector</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2023, Эко-Вектор</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="en">Eco-Vector</copyright-holder><copyright-holder xml:lang="ru">Эко-Вектор</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2026-09-14"/><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/0321-4443/article/view/313323">https://journals.eco-vector.com/0321-4443/article/view/313323</self-uri><abstract xml:lang="en"><p/><p><bold><italic>BACKGROUND</italic></bold><italic>:</italic> In settlements located in areas that do not have centralized electric and gas supply, the problems of energy supply are solved using low-power power plants based on heat engines. One of the main drawbacks of such units is the issue of fuel economy, given the cost of its delivery. In this paper, one of the ways to increase the efficiency of energy supply during the heating season in a cold climate is considered.</p> <p><bold><italic>AIMS</italic></bold><italic>:</italic> Increasing the economical efficiency of a diesel-powered electric plant with an air heat pump in conditions of low ambient teperature.</p> <p><bold><italic>METHODS</italic></bold><italic>: </italic>Simulation of operation conditions was performed in the MathCad software using the experimental data obtained at the department.</p> <p><bold><italic>RESULTS</italic></bold><italic>:</italic> Heating of outside air before entering the evaporator of the heat pump makes it possible to significantly increase the conversion coefficient and thus expand the boundaries of application of air-source heat pumps in cold climates.</p> <p><bold><italic>CONCLUSIONS</italic></bold><italic>:</italic></p> <list list-type="order"> <list-item><p>The combined operation of the diesel power plant with the air heat pump makes it possible to provide a single settlement with electricity as well as to supply it with thermal energy for the needs of heating and hot water supply.</p></list-item> <list-item><p>With the diesel engine efficiency equal to 37%, the unit efficiency with the heat pump increases to 57% at an ambient temperature of 15°C (288 K).</p></list-item> <list-item><p>The use of air heating at the inlet to the heat pump evaporator increases the fuel use rate by 12–14% due to the heat of engine and oil cooling.</p></list-item> </list></abstract><trans-abstract xml:lang="ru"><p><bold>Обоснование</bold>. В населенных пунктах, расположенных в районах, не имеющих централизованного электрического и газового снабжения, проблемы энергообеспечения решаются за счет использования электростанций небольшой мощности на базе тепловых двигателей. Одним из основных недостатков таких установок является проблема экономии топлива, учитывая стоимость его доставки. В настоящей работе рассмотрен один из способов повышения эффективности энергообеспечения в период отопительного сезона в условиях холодного климата.</p> <p><bold>Цель</bold> <bold>работы</bold>. Целью исследования является повышение экономической эффективности электростанции на базе дизеля с воздушным тепловым насосом в условиях низкой температуры окружающей среды.</p> <p><bold>Материалы и</bold> <bold>методы</bold>. С помощью полученных экспериментальных данных, моделирование условий работы было выполнено в среде программы MathCad.</p> <p><bold>Результаты</bold>. Подогрев наружного воздуха перед входом в испаритель ТН позволяет существенно повысить коэффициент преобразования и тем самым расширить границы применения воздушных тепловых насосов в условиях холодного климата.</p> <p><bold>Заключение</bold>. Совместная работа дизельной электростанции и воздушного теплового насоса позволяет не только обеспечить отдельный поселок электричеством, но и снабдить его тепловой энергией для нужд отопления и горячего водоснабжения. При КПД дизельного двигателя равного 37% эффективность установки при температуре наружного воздуха 15 °С (288 К) с ТН увеличивается до 57%. Использование подогрева воздуха на входе в испаритель ТН за счет теплоты охлаждения двигателя и масла увеличивает коэффициент использования топлива на 12–14%.</p></trans-abstract><kwd-group xml:lang="en"><kwd>diesel engine</kwd><kwd>air heat pump</kwd><kwd>cold climate</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>дизельный двигатель</kwd><kwd>воздушный тепловой насос</kwd><kwd>холодный климат</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Air source heat pumps. Publishing Center “Aqua-Therm” [internet] Accessed: 15.12.2022. Available from: https://aqua-therm.ru/articles/articles_218.html</mixed-citation><mixed-citation xml:lang="ru">Воздушные тепловые насосы. Издательский Центр «Аква-Терм». Дата обращения: 15.12.2022. 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