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Задачи аэродинамики по обеспечению пожаробезопасности метрополитена

Задачи аэродинамики по обеспечению пожаробезопасности метрополитена

Abstract

Анализ аварийных режимов работы систем тоннельной вентиляции, применяемых в метрополитенах, показал, что они не обеспечивают устойчивое движение газовоздушных потоков при пожаре в подвижном составе и его остановке в тоннеле, а также отсутствует методическое обеспечение расчетов устойчивости газовоздушных потоков при пожарах в тоннелях. Существующая технология оценки устойчивости вентиляционных потоков, применяемая на угольных шахтах и в автодорожных тоннелях, не позволяет учесть особенности пожаров в метрополитенах.

Analysis of the emergency operation modes of tunnel ventilation systems used in subways has shown that these modes do not provide the steady gas-air flows in case of fire in the rolling stock and its stop in the tunnel; and there is no methodological support for calculations of stability of gas-air flows in tunnel fires. The existing technology for assessing the stability of ventilation flows applied in coal mines and road tunnels can not account for the peculiarities of fires in subways.

Keywords

ПОЖЕЖНА БЕЗПЕКА, АВАРіЙНі РЕЖИМИ РОБОТИ СИСТЕМ ТУНЕЛЬНОї ВЕНТИЛЯЦії, ЗАДАЧИ АЭРОДИНАМИКИ, УСТОЙЧИВОЕ ДВИЖЕНИЕ ГАЗОВОЗДУШНЫХ ПОТОКОВ, МЕТРОПОЛіТЕН, ЗАДАЧі АЕРОДИНАМіКИ, СТАЛИЙ РУХ ГАЗОПОВіТРЯНИХ ПОТОКіВ, МЕТРОПОЛИТЕН, ПОЖАРОБЕЗОПАСНОСТЬ, АВАРИЙНЫЕ РЕЖИМЫ РАБОТЫ СИСТЕМ ТОННЕЛЬНОЙ ВЕНТИЛЯЦИИ

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold