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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">energy</journal-id><journal-title-group><journal-title xml:lang="ru">Энергетика. Известия высших учебных заведений и энергетических объединений СНГ</journal-title><trans-title-group xml:lang="en"><trans-title>ENERGETIKA. Proceedings of CIS higher education institutions and power engineering associations</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1029-7448</issn><issn pub-type="epub">2414-0341</issn><publisher><publisher-name>BNTU</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21122/1029-7448-2022-65-1-89-98</article-id><article-id custom-type="elpub" pub-id-type="custom">energy-2135</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>ТЕПЛОЭНЕРГЕТИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>НEAT POWER ENGINEERING</subject></subj-group></article-categories><title-group><article-title>Исследование влияния схемы подключения алюминиевого радиатора марки STI на его теплотехнические характеристики</article-title><trans-title-group xml:lang="en"><trans-title>Study of the Influence of the Connection Mode of the STI Brand Aluminum Radiator on its Thermal Characteristics</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>Марьина</surname><given-names>З. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Mar’ina</surname><given-names>Z. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>г. Архангельск</p></bio><bio xml:lang="en"><p>Arkhangelsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Верещагин</surname><given-names>А. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Vereshchagin</surname><given-names>A. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>г. Архангельск</p></bio><bio xml:lang="en"><p>Arkhangelsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Новожилова</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Novozhilova</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Адрес для переписки:Новожилова Анна Владимировна –Северный (Арктический) федеральный университет имени М. В. Ломоносова наб. Северной Двины, 17, 163000, г. Архангельск, Российская Федерация Тел.: +7 921 240-83-48a.novozhilova@narfu.ru</p></bio><bio xml:lang="en"><p>Address for correspondence:Novozhilova Anna V. –Northern (Arctic) Federal University named after M. V. Lomonosov 17, Severnaya Dvina Emb., 163000, Arkhangelsk, Russian FederationTel.: +7 921 240-83-48a.novozhilova@narfu.ru</p></bio><email xlink:type="simple">a.novozhilova@narfu.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Северный (Арктический) федеральный университет имени М. В. Ломоносова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Northern (Arctic) Federal University named after M. V. Lomonosov</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>02</day><month>02</month><year>2022</year></pub-date><volume>65</volume><issue>1</issue><fpage>89</fpage><lpage>98</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Марьина З.Г., Верещагин А.Ю., Новожилова А.В., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Марьина З.Г., Верещагин А.Ю., Новожилова А.В.</copyright-holder><copyright-holder xml:lang="en">Mar’ina Z.G., Vereshchagin A.Y., Novozhilova A.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://energy.bntu.by/jour/article/view/2135">https://energy.bntu.by/jour/article/view/2135</self-uri><abstract><p>Алюминиевые радиаторы различных марок получили широкое распространение на рынке нагревательных приборов. Снизить затраты на изготовление радиаторов можно путем уменьшения поверхности теплоотдающих внутренних ребер. При этом сохраняется их внешний вид, а заявленная производителем теплоотдача остается достаточно высокой. <ext-link xlink:href="http://government.ru/media/files/EphIz91yvdgtvbHAj29h9sEZic8jGGVk.pdf" ext-link-type="uri">Постановлением Правительства Российской Федерации от 17 июня 2017 г. </ext-link>№ 717 введена обязательная сертификация всех типов отопительных приборов. Отклонения указанной в паспорте прибора номинальной тепловой мощности секции от показателей, установленных по результатам испытаний, не должны превышать предельно допустимых значений (от –4 до +5 %). Как правило, ранее испытания производителем не проводились. Таким образом, изучение влияния схемы подключения радиатора с уменьшенной поверхностью ребер на его теплотехнические характеристики является актуальной задачей. В статье представлены результаты исследований заводского алюминиевого радиатора с уменьшенной поверхностью ребер марки STI Сlassic тепловой мощностью 1,92 кВт при расчетных условиях. В заданной теплоотдаче прибора не учитывается схема его подключения. Уменьшение внутренних и тыльных ребер снизило площадь его поверхности на 28,8 %. В результате проведенных экспериментов установлено, что тепловая мощность прибора ниже заявленной на 22 % при подключении сверху вниз и на 48 % – при подключении снизу вверх при расчетных условиях. В теплый период отопительного сезона при небольшой разности температур теплоносителя и воздуха в помещении средняя тепловая мощность радиатора совпадает с заявленным значением.</p><p> </p></abstract><trans-abstract xml:lang="en"><p>Aluminum radiators of various brands have become widespread on the market of heating equipment nowadays. It is possible to reduce the cost of manufacturing radiators by reducing the surface of the heat-emitting internal fins, while maintaining their appearance, and the heat transfer claimed by the manufacturer is being maintained high enough. Decree of the Government of the Russian Federation No 717 of June 17, 2017 introduced mandatory certification of all types of heating appliances. Deviations of the nominal thermal power of the section indicated in the device passport from the indicators established by the test results should not exceed the maximum permissible values (from –4 to +5 %). As a rule, no previous tests were carried out by the manufacturer. Thus, the study of the influence of the radiator connection mode with a reduced fin surface on its thermal characteristics is an urgent task. The article presents the results of the studies of a factory aluminum radiator with a reduced surface of STI Classic brand fins with a heat output of 1.92 kW under design conditions. The specified heat transfer of the device does not take into account its connection mode. The reduction of the inner and rear fins reduced its surface area by 28.8 %. As a result of the experiments carried out, it was found that the thermal power of the device is 22 % lower than the declared value when connected from top to bottom and 48 % lower when connected from bottom to top under design conditions. During the warmer period of the heating season, with a small temperature difference between the coolant and the indoor air, the average heat output of the radiator coincides with the declared value.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>теплоотдача и тепловая мощность секции</kwd><kwd>тепловизионная съемка</kwd><kwd>теплоотдающая поверхность радиатора</kwd><kwd>направление движения теплоносителя</kwd></kwd-group><kwd-group xml:lang="en"><kwd>heat transfer and heat output of the section</kwd><kwd>thermal imaging</kwd><kwd>heat transfer surface of the radiator</kwd><kwd>direction of movement of the heat carrier</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">Сравнение радиаторов отопления по теплоотдаче [Электронный ресурс]. 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