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|a koha001007252
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|b rus
|c RU-ToGU
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|a Тохметова, Мадина Бауыржановна
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|a Обзор подходов к физико-математическому моделированию поведения конструктивных элементов зданий и сооружений от воздействия потока горящих и тлеющих частиц
|c М. Б. Тохметова
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|a Review of approaches to physical and mathematical modeling of the behavior of structural elements of buildings and structures from the impact of spot fires
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|a Текст
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|a электронный
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|a Библиогр.: 6 назв.
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|a As the set of experiments result, statistically substantiated data were obtained on the laws of ignition of a model angular structure under conditions of a point source of heat exposure. The use of IR diagnostics made it possible to control the thermal picture in the experimental area, as well as to capture areas of the highest and lowest heating. In the Large Aerosol Chamber of IAO SB RAS, preliminary experiments were carried out on a “Firebrand Shower” model exposure, which is naturally occurring firebrands with some types of construction materials (chipboards). The exposure of the samples to flow of firebrands was provided using a firebrand generator of own original design. It was experimentally confirmed that particle size plays a significant role in the ignition of a building structure. If the characteristic particle size, which can be defined as the ratio of its volume to the surface area in contact with the wood, is less than a certain characteristic value, then the ignition mode with a sharp temperature maximum near the phase interface is not fulfilled. This can be explained by the prevailing heat removal into the external environment in comparison with the amount of heat coming from a heat gun and resulting from chemical reactions.
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|a физико-математическое моделирование
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|a горящие и тлеющие частицы
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|a модельные конструкции
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|a статьи в сборниках
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|t Перспективы развития фундаментальных наук. Т. 3 : сборник научных трудов XIX Международной конференции студентов, аспирантов и молодых ученых, 26-29 апреля 2022 г.
|d Томск, 2022
|g Т. 3 : Математика. С. 51-53
|z 9785438710844
|z 9785438710813
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|a RU-ToGU
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|u http://vital.lib.tsu.ru/vital/access/manager/Repository/koha:001007252
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|a статья
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