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초고층 건축물의 연돌효과를 고려한 계단 부속실 급기 가압 시스템의 급기 풍량 산정에 관한 연구
안정수(Jeong-Soo An),김성우(Sung-Woo Kim),김수란(Su-Ran Kim),홍석우(Seok Woo Hong) 대한설비공학회 2011 대한설비공학회 학술발표대회논문집 Vol.2011 No.7
A proper level of pressure should be controlled in the vestibule adjacent to the stairwell to prevent smoke-infiltration into the only available evacuation path. In addition, as building height is increased, more careful design of pressurization system is required under consideration of stack effect. In the present study, new numerical modeling technique and assessment procedure are proposed to find proper air-supply flow rates for the stair vestibule regarding stack effect. Also, this paper showed that VAV type of air-supply system is a good performance facility controlling pressure level of the vestibule, and numerical simulation model is practically useful design tool for setup of air-supply flow rates.