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Title: Review on design guides for smoke management system in an atrium
Other Title: 中庭烟气管理系统的设计导则回顾 (英文)
Authors: Chow, WK 
Li, J
Issue Date: 2005
Source: 火灾科学 (Fire safety science), July 2005, v. 14, no. 3, p. 182-198, with 1 unnumbered page
Abstract: 本文回顾在中庭中常用的烟气管理设计导则。概括了在这些导则中采用的不同方法,并解释了这些方法背后的烟气物理。这些设计导则中的烟气动力学的工程原理是相似的。基本上,方法包括强加逆向流来阻止烟气蔓延,采用压差来对付物理障碍物,烟气稀释和抽取。烟气通风看来是中庭中烟气管理的常用方法,可以将烟气层界面的高度保持在可接受值,或者至少降低烟气层的下降速率。这些导则给出了设计的一般原则,但并未覆盖所有中庭,特别是在远东地区新建建设性项目中的中庭。
Common design guides on smoke management in atria will be reviewed in this paper . Different approaches adopted in those guides are outlined with the smoke physi cs behind explained. Engineering principles on smoke dynamics of these design gu ides are observed to be similar. Basically, the methods include imposing strong opposite airflow to prevent smoke spreading, applying pressure differentials aga inst a physical barrier, smoke dilution and extraction. Smoke ventilation appear s to be a common approach for smoke management in an atrium. An acceptable smoke layer interface height can be kept; or at least, reducing the descending rate o f the smoke layer. These guides give general principles for the design, but not all the atria are covered, especially those in new construction projects of the Far East.
Keywords: Design guide
Smoke management
Publisher: 中國學術期刊 (光盤版) 電子雜誌社
Journal: 火灾科学 (Fire safety science) 
ISSN: 1004-5309
Rights: © 2005 中国学术期刊电子杂志出版社。本内容的使用仅限于教育、科研之目的。
© 2005 China Academic Journal Electronic Publishing House. It is to be used strictly for educational and research purposes.
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