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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">firesmi</journal-id><journal-title-group><journal-title xml:lang="ru">Пожаровзрывобезопасность/Fire and Explosion Safety</journal-title><trans-title-group xml:lang="en"><trans-title>Pozharovzryvobezopasnost/Fire and Explosion Safety</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0869-7493</issn><issn pub-type="epub">2587-6201</issn><publisher><publisher-name>ФГБОУ ВО «Национальный исследовательский Московский государственный строительный университет»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.22227/0869-7493.2024.33.05.5-15</article-id><article-id custom-type="elpub" pub-id-type="custom">firesmi-1426</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>ПРОЦЕССЫ ГОРЕНИЯ, ДЕТОНАЦИИ И ВЗРЫВА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>COMBUSTION, DETONATION AND EXPLOSION PROCESSES</subject></subj-group></article-categories><title-group><article-title>Одномерная гидравлическая модель горения в преградах</article-title><trans-title-group xml:lang="en"><trans-title>One-dimensional hydraulic model of combustion in obstacles</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5096-6722</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Горев</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Gorev</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ГОРЕВ Вячеслав Александрович, д-р физ.-мат. наук, профессор, профессор кафедры комплексной безопасности в строительстве</p><p>129337, г. Москва, Ярославское шоссе, 26</p><p>РИНЦ AuthorID: 690901, Scopus : 7003846069, ResearcherID: AAD-7691-2022</p></bio><bio xml:lang="en"><p>Vyacheslav A. GOREV, Dr. Sci. (Phys.-Math.), Professor, Professor of Department of Integrated Safety in Civil Engineering</p><p>Yaroslavskoe Shosse, 26, Moscow, 129337</p><p>RISC AuthorID: 690901, Scopus: 7003846069, ResearcherID: AAD-7691-2022</p></bio><email xlink:type="simple">va.gorev@yandex.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/0009-0001-3510-9298</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рукавишников</surname><given-names>М. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Rukavishnikov</surname><given-names>M. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>РУКАВИШНИКОВ Максим Михайлович, научный сотрудник</p><p>143903, Московская обл., г. Балашиха, мкр. ВНИИПО, 12</p><p>РИНЦ AuthorID: 1128857</p></bio><bio xml:lang="en"><p>Maxim M. RUKAVISHNIKOV, Researcher</p><p>VNIIPO, 12, Balashikha, Moscow Region, 143903</p><p>RISC AuthorID: 1128857</p></bio><email xlink:type="simple">rukavishnikov3.5.1@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Национальный исследовательский Московский государственный строительный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Moscow State University of Civil Engineering (National Research University)</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Всероссийский ордена «Знак Почета» научно-исследовательский институт противопожарной обороны Министерства Российской Федерации по делам гражданской обороны, чрезвычайным ситуациям и ликвидации последствий стихийных бедствий</institution><country>Россия</country></aff><aff xml:lang="en"><institution>All-Russian Research Institute for Fire Protection of Ministry of Russian Fede­ration for Civil Defense, Emergencies and Elimination of Consequences of Natural Disasters</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>31</day><month>10</month><year>2024</year></pub-date><volume>33</volume><issue>5</issue><fpage>5</fpage><lpage>15</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Горев В.А., Рукавишников М.М., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Горев В.А., Рукавишников М.М.</copyright-holder><copyright-holder xml:lang="en">Gorev V.A., Rukavishnikov M.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://www.fire-smi.ru/jour/article/view/1426">https://www.fire-smi.ru/jour/article/view/1426</self-uri><abstract><sec><title>Введение</title><p>Введение. Вопрос влияния конфигурации загроможденного пространства на динамику развития аварийного взрыва, в частности на интенсивность ускорения пламени, исследуется достаточно давно. Во многих работах экспериментальными и численными методами рассматривается горение в преградах при их различном количестве, взаимном расположении, геометрических формах и других параметрах. Тем не менее в большинстве случаев рассматриваются преграды, расположенные упорядоченно, периодически. При этом взрывы газовых облаков могут происходить в условиях, где преграды, представленные строительными конструкциями и технологическим оборудованием, расположены неорганизованно.</p></sec><sec><title>Цель</title><p>Цель. Смоделировать процесс горения в массиве расположенных произвольно преград с учетом конкретных параметров загроможденного пространства (количества преград nx, их среднего размера d, блокирующего отношения BO и объемной загроможденности θ) с помощью разрабатываемой гидравлической модели развития взрыва.</p></sec><sec><title>Метод исследования</title><p>Метод исследования. Решается задача о горении в закрытой с одного конца трубе заданных геометрических параметров. Приведены выражения для расчета параметров загроможденного пространства, а также принцип, в соответствии с которым данные параметры интегрированы в гидравлическую модель.</p><p>Описание физической модели. Представлена система основных дифференциальных и алгебраических уравнений разрабатываемой модели.</p><p>Результаты и их обсуждение. Получены зависимости видимой скорости пламени (Xf)’ от величины пройденного пламенем пути Xf. Расчет проводился для преград с размером d = 1–4 см при разных θ (0,1–0,25) и BO (0,09–0,37), величины которых регулировались изменением nx.</p></sec><sec><title>Выводы</title><p>Выводы. С ростом d или nx пламя в загроможденном преградами пространстве ускоряется сильнее. Рост BO, как и θ, ведет к увеличению скорости потока газа перед фронтом пламени и эффективной скорости горения. А следовательно, и к более интенсивному ускорению пламени. Полученные результаты позволяют проводить верификацию модели с помощью экспериментальных данных и улучшать ее в дальнейшем.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Introduction</title><p>Introduction. The question of the influence of the configuration of the obstacled space on the dynamics of the emergency explosion development, in particular on the intensity of flame acceleration, has been studied for quite a long time. In many works by experimental and numerical methods combustion in obstacles at their various quantity, mutual location, geometrical forms and other parameters is considered. Nevertheless, in most cases, obstacles arranged in organized and periodical manner are considered. At the same time, explosions of gas clouds can occur in conditions where obstacles represented by building structures and technological equipment are arranged in an unorganized manner.</p></sec><sec><title>Objective</title><p>Objective. To simulate the combustion process with an array of randomly placed obstacles, taking into account the specific parameters of the confined space (the number of obstacles nx, their average size d, blocking ratio BO and volumetric clutter θ) using the developed hydraulic model of explosion development.</p></sec><sec><title>Research method</title><p>Research method. The problem of combustion in a pipe closed at one end with specified geometric parameters is solved. Expressions for calculating the parameters of a confined space are given, as well as the principle according to which these parameters are integrated into a hydraulic model.</p><p>Description of the physical model. The system of basic differential and algebraic equations of the developed model is presented.</p></sec><sec><title>Results and discussion</title><p>Results and discussion. Functions of the flame speed (Xf)’ to the path traversed by flame Xf are obtained. The calculation was carried out for obstacles with a size d = 1–4 cm at different θ (0.1–0.25) and BO (0.09–0.37), which were adjusted by changing nx.</p></sec><sec><title>Conclusion</title><p>Conclusion. With the growth of d or nx, the flame in the obstacled space accelerates more strongly. The growth of BO, like θ, leads to an increasing of the gas flow rate in front of the flame and the effective combustion rate. And, consequently, to more intense flame acceleration. Obtained results are make it possible to verify the model using experimental data and improve it in the future.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>развитие взрыва</kwd><kwd>загроможденное пространство</kwd><kwd>дефлаграционное горение</kwd><kwd>ускорение пламени</kwd><kwd>аварийные взрывы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>explosion development</kwd><kwd>obstacled space</kwd><kwd>deflagration</kwd><kwd>flame acceleration</kwd><kwd>industrial explosions</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">Bradley D., Chamberlain G.A., Drysdale D.D. Large vapour cloud explosions, with particular reference to that at Buncefield // Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences. 2012. Vol. 370. Pp. 544–566. 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