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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">vdgtu</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Дагестанского государственного технического университета. Технические науки</journal-title><trans-title-group xml:lang="en"><trans-title>Herald of Dagestan State Technical University. Technical Sciences</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2073-6185</issn><issn pub-type="epub">2542-095X</issn><publisher><publisher-name>Daghestan State Technical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21822/2073-6185-2024-51-2-197-207</article-id><article-id custom-type="elpub" pub-id-type="custom">vdgtu-1534</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>СТРОИТЕЛЬСТВО И АРХИТЕКТУРА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BUILDING AND ARCHITECTURE</subject></subj-group></article-categories><title-group><article-title>Исследование температуры внутреннего воздуха в помещении гражданского здания после аварийного отключения системы отопления</article-title><trans-title-group xml:lang="en"><trans-title>Investigation of the indoor air temperature in a civilian building after an emergency shutdown of the heating system</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3522-9302</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Карпов</surname><given-names>Д. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Karpov</surname><given-names>D. F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Карпов Денис Федорович, старший преподаватель, кафедра теплогазоводоснабжения</p><p>160000, г. Вологда, ул. Ленина, 15</p></bio><bio xml:lang="en"><p>Denis F. Karpov, Senior Lecturer, Department of Heat, Gas and Water Supply</p><p>15 Lenin St., Vologda 160000</p></bio><email xlink:type="simple">karpovdf@vogu35.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8687-3296</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Павлов</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Pavlov</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Павлов Михаил Васильевич, кандидат технических  наук, доцент, доцент, кафедра теплогазоводоснабжения</p><p>160000, г. Вологда, ул. Ленина, 15</p></bio><bio xml:lang="en"><p>Mikhail V. Pavlov, Cand. Sci. (Eng.), Assoc. Prof., Assoc. Prof., Department of Heat, Gas and Water Supply</p><p>15 Lenin St., Vologda 160000</p></bio><email xlink:type="simple">pavlovmv@vogu35.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>Абрамова</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Abramova</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Абрамова Елена Вячеславовна, доктор технических  наук, профессор, кафедра сварки,  диагностика и специальной робототехники; главный  научный сотрудник, НИИСФ РААСН; РИНЦ ID 107200</p><p>105005, г. Москва, ул. 2-я Бауманская, 5;</p><p>127238, г. Москва, Локомотивный пр., 21</p></bio><bio xml:lang="en"><p>Elena V. Abramova, Dr. Sci. (Eng.), Prof., Department of Welding, Diagnostics and Special Robotics; Chief Scientific Officer, NIISF RAASN; RSCI ID 107200</p><p>5 2nd Baumanskaya St., Moscow 105005;</p><p>21 Locomotive St., Moscow 127238</p></bio><email xlink:type="simple">eva32@bk.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7422-5494</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Вафаева</surname><given-names>Х. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Vafaeva</surname><given-names>Kh. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Вафаева Христина Максудовна, инженер-исследователь, лаборатория самовосстанавливающихся конструкционных материалов</p><p>195251, г. Санкт-Петербург, ул. Политехническая, 29 литера Б</p></bio><bio xml:lang="en"><p>Khristina M. Vafaeva, Research Engineer, Laboratory of Self-Healing Structural Materials</p><p>29 letter B Polytechnique St., Saint-Petersburg 195251</p></bio><email xlink:type="simple">vafaeva.khm@gmail.com</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Вологодский государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Vologda State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Московский государственный технический университет имени Н.Э. Баумана (национальный исследовательский институт);&#13;
Научно-исследовательский институт строительной физики Российской академии архитектуры и строительных наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Bauman Moscow State Technical University (National Research Institute);&#13;
Research Institute of Building Physics of the Russian Academy of Architecture and Building Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Санкт-Петербургский политехнический университет Петра Великого</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Peter the Great St. Petersburg Polytechnic University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>28</day><month>07</month><year>2024</year></pub-date><volume>51</volume><issue>2</issue><fpage>197</fpage><lpage>207</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Карпов Д.Ф., Павлов М.В., Абрамова Е.В., Вафаева Х.М., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Карпов Д.Ф., Павлов М.В., Абрамова Е.В., Вафаева Х.М.</copyright-holder><copyright-holder xml:lang="en">Karpov D.F., Pavlov M.V., Abramova E.V., Vafaeva K.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://vestnik.dgtu.ru/jour/article/view/1534">https://vestnik.dgtu.ru/jour/article/view/1534</self-uri><abstract><p>Цель. Аварийное отключение системы отопления гражданского здания неизбежно приведет к нарушению теплового режима в обогреваемых помещениях. Впоследствии данный инцидент негативно отразится на тепловом комфорте человека и условиях труда. Таким образом, вопрос прогнозирования теплового режима помещения в случае прекращения подачи тепловой энергии, наряду с поиском энергосберегающих технологий в строительной сфере, является актуальной задачей.Метод. Программные вычисления основаны на классической теории теплоустойчивости помещения в случае прерывистой подачи теплоты и законе регулярного теплового режима первого рода (для системы отопления), суть которого заключается в следующем: понижение температуры во всех точках тела в ходе его остывания происходит одинаково, подчиняясь экспоненциальному закону.Результат. Для комнаты в жилом здании установлено, что температура внутреннего воздуха достигнет точки росы (12,5 ℃) за период времени 8 ч 42 мин после аварийного отключения системы отопления, а нулевого значения – через 23 ч 42 мин. Среднее значение темпа падения температуры за период времени 50 ч равно 0,72 ℃⁄ч, суммарные потери тепловой энергии составили 138,2 МДж. Вывод. Тепловая аккумуляция ограждающих конструкций играет первостепенную роль для гражданских зданий в сохранении требуемого теплового режима помещения в случае аварийного отключения системы отопления. При сравнительно малой теплоемкости и большой теплоотдаче, связанной с высоким температурным напором нагревательных элементов, остывание системы отопления происходит достаточно быстро (имеет высокий показатель темпа охлаждения).</p></abstract><trans-abstract xml:lang="en"><p>Objective. An emergency shutdown of the heating system of a civil building will inevitably lead to a violation of the thermal regime in the heated rooms. Subsequently, this incident will have a negative impact on human thermal comfort and working conditions. Thus, the issue of predicting the thermal regime of a room in the event of a termination of the supply of thermal energy, along with the search for energy-saving technologies in the construction sector, is an urgent task.Method. Software calculations are based on the classical theory of thermal stability of a room in the case of intermittent heat supply and the law of regular thermal regime of the first kind (for a heating system), the essence of which is as follows: a decrease in temperature at all points of the body during its cooling occurs in the same way, obeying an exponential law.Result. For a room in a residential building, it is established that the indoor air temperature will reach the dew point (12.5 ℃) for a period of 8 hours 42 minutes after an emergency shutdown of the heating system, and the zero value after 23 hours 42 minutes. The average value of the rate of temperature drop over a period of 50 hours is 0.72 ℃⁄h, the total loss of thermal energy was 138.2 MJ. Conclusion. Thermal accumulation of enclosing structures plays a primary role for civil buildings in maintaining the required thermal regime of the room in the event of an emergency shutdown of the heating system. With a relatively low heat capacity and high heat transfer associated with the high temperature pressure of the heating elements, the cooling of the heating system occurs quite quickly (has a high cooling rate).</p></trans-abstract><kwd-group xml:lang="ru"><kwd>температура внутреннего воздуха</kwd><kwd>темп падения температуры</kwd><kwd>теплоустойчивость помещения</kwd><kwd>удельная тепловая характеристика помещения</kwd><kwd>коэффициент аккумуляции теплоты</kwd><kwd>показатель темпа охлаждения</kwd><kwd>регулярный тепловой режим</kwd><kwd>аварийное отключение системы отопления</kwd></kwd-group><kwd-group xml:lang="en"><kwd>indoor air temperature</kwd><kwd>rate of temperature drop</kwd><kwd>thermal stability of room</kwd><kwd>specific thermal characteristics of room</kwd><kwd>heat accumulation coefficient</kwd><kwd>cooling rate indicator</kwd><kwd>regular thermal regime</kwd><kwd>emergency shutdown of heating system</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">Korniyenko S.V., Dubov I.A., Nazarov K.R. 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