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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">10.22227/0869-7493.2025.34.05.63-70</article-id><article-id custom-type="elpub" pub-id-type="custom">firesmi-1548</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>СРЕДСТВА И СПОСОБЫ ТУШЕНИЯ ПОЖАРОВ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MEANS AND WAYS OF FIRE EXTINGUISHING</subject></subj-group></article-categories><title-group><article-title>Экспериментальные исследования способа подачи газопорошкового огнетушащего вещества с помощь щелевого насадка при тушении пролива горючей жидкости</article-title><trans-title-group xml:lang="en"><trans-title>Experimental study of gas-powder fire extinguishing agent application via a slotted nozzle for pool fire suppression</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6502-6904</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Саенкова</surname><given-names>А. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Saenkova</surname><given-names>A. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>САЕНКОВА Александра Борисовна, главный конструктор</p><p>141300, г. Сергиев Посад, Скобяное ш., 3</p><p>РИНЦ AuthorID: 1108799, ResearcherID: IUP-7179-2023</p></bio><bio xml:lang="en"><p>Alexandra B. SAENKOVA, Chief Designer</p><p>Skobyanoe highway, 3, Sergiev Posad, 143903</p><p>RSCI AuthorID: 1108799, ResearcherID: IUP-7179-2023</p></bio><email xlink:type="simple">a.saenkova@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ООО «Каланча Инжиниринг»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Kalancha Engineering LLC</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>31</day><month>10</month><year>2025</year></pub-date><volume>34</volume><issue>5</issue><fpage>63</fpage><lpage>70</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Саенкова А.Б., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Саенкова А.Б.</copyright-holder><copyright-holder xml:lang="en">Saenkova A.B.</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/1548">https://www.fire-smi.ru/jour/article/view/1548</self-uri><abstract><sec><title>Введение</title><p>Введение. Статья посвящена изучению методов повышения эффективности тушения пожаров, вызванных проливами горючих жидкостей. Цель работы — определение оптимального способа подачи газо­порошкового огнетушащего вещества (ГПОВ) через щелевой насадок распыления. В задачи исследования входило изучение влияния расположения насадка, интенсивности подачи ГПОВ и площади очага возгорания на эффективность тушения.</p></sec><sec><title>Методы</title><p>Методы. В исследовании применялись экспериментальные методы, включающие моделирование очагов воз­горания различной конфигурации. Для подачи ГПОВ использовался щелевой насадок распыления, закрепленный на определенном расстоянии от борта модельного очага. Коэффициент диафрагмирования насадка рассчитывался как соотношение площади боковой прорези к площади проходного сечения трубопровода подачи ГПОВ.</p></sec><sec><title>Результаты</title><p>Результаты. Экспериментальные исследования показали, что тушение пролива горючей жидкости достигается при интенсивности подачи ГПОВ более 1,4 кг/(м2·с). Веерная струя, создаваемая щелевым насадком, должна полностью перекрыть площадь возгорания.</p><p>Область применения результатов. Полученные результаты могут быть использованы для разработки более эффективных систем пожаротушения для промышленных объектов, где возможны проливы горючих жидкостей. Результаты исследования имеют практическую значимость для повышения безопасности объектов нефте­газовой отрасли.</p></sec><sec><title>Выводы</title><p>Выводы. Исследование показало эффективность щелевого насадка распыления для тушения проливов горючих жидкостей. Для дальнейшего повышения эффективности тушения необходимо учитывать расположение насадка, массовую скорость подачи и интенсивность ГПОВ. Перспективным направлением является изучение механизма формирования зоны с огнетушащей концентрацией ГПОВ над поверхностью пролива.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Subject</title><p>Subject. The article addresses methods for enhancing the effectiveness of extinguishing fires caused by spills of flammable liquids. The study aims to determine the optimal parameters for supplying a gas-powder fire-extinguishing agent (GPFEA) through a slotted spray nozzle.</p></sec><sec><title>Objectives</title><p>Objectives. The objectives of the research include analysing the influence of the nozzle position, GPFEA discharge rate, and fire area size on the extinguishing efficiency.</p></sec><sec><title>Methods</title><p>Methods. Experimental studies were conducted using simulated fire sources of various configurations. A slotted spray nozzle, positioned at a fixed distance from the edge of the model fire source, was employed to supply the GPFEA. The diaphragm coefficient of the nozzle was determined as the ratio of the lateral slot area to the cross-sectional area of the GPFEA supply line.</p></sec><sec><title>Results</title><p>Results. The experiments demonstrated that effective extinguishing of flammable liquid spills is achieved when the GPFEA discharge intensity exceeds 1.4 kg/(m²·s). The fan-shaped jet produced by the slotted nozzle must completely cover the fire area to ensure full suppression.</p></sec><sec><title>Practical significance</title><p>Practical significance. The obtained results can be applied in the development of more efficient fire suppression systems for industrial facilities where flammable liquid spills may occur. The findings are of practical relevance for improving the safety of oil and gas industry facilities.</p></sec><sec><title>Conclusions</title><p>Conclusions. The study confirmed the effectiveness of using a slotted spray nozzle for extinguishing flammable liquid spills. To further enhance extinguishing performance, it is essential to consider the nozzle orientation, mass flow rate, and discharge intensity of the GPFEA. Future research should focus on studying the formation mechanism of the zone with a fire-extinguishing concentration of the GPFEA above the spill surface.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>пожаротушение</kwd><kwd>интенсивность подачи</kwd><kwd>экспериментальное исследование</kwd></kwd-group><kwd-group xml:lang="en"><kwd>fire extinguishing</kwd><kwd>discharge intensity</kwd><kwd>experimental study</kwd><kwd>gas-powder fire-extinguishing agent</kwd><kwd>slotted&#13;
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