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A Numerical Study on Smoke Control for Smoke Control Systems and Air Flowrate  

박외철 (부경대학교 안전공학과)
Publication Information
Fire Science and Engineering / v.17, no.2, 2003 , pp. 56-61 More about this Journal
Abstract
The smoke removal rate from a room with an opening was investigated for different smoke control systems by using the large eddy simulation turbulence model of the Fire Dynamics Simulator. The decreasing rate of the particles randomly distributed in the 2m X 2m X 2.4m room was com-pared for the ventilation system, pressurization system and extraction system, and for the air flowrate of the ventilation system. Difference in the smoke removal rate among the three smoke control systems was small when the opening was closed. The pressurization system showed less smoke removal rate than the other two systems when the opening existed, and hence is not recommended for subway stations with large openings. It was also shown that a less flowrate in the ventilation system leads to a much longer smoke removal time.
Keywords
Smoke control systems; Pressurization system; Extraction system; Ventilation system; Computational fluid dynamics; Large eddy simulation;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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