Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/15469
Title: Wind effects on smoke motion and temperature of ventilation-controlled fire in a two-vent compartment
Authors: Chen, H
Liu, N
Chow, W 
Keywords: Compartment fire
Post-flashover
Smoke
Wind
Issue Date: 2009
Publisher: Pergamon Press
Source: Building and environment, 2009, v. 44, no. 12, p. 2521-2526 How to cite?
Journal: Building and environment 
Abstract: High-rise building fire is often influenced by the ambient wind. Study concerning fire behavior in the compartment of high-rise buildings in wind environment is needed for exploring some effective methods used for evaluation of compartment fire smoke movement and control. In this paper, smoke flowing direction and temperature of ventilation-controlled fire in a two-vent compartment are studied when ambient wind blows to the vent at higher altitude. It is found that there is a critical wind speed, above which the direction of smoke movement is dominated by wind rather than by buoyancy. It is also found that ambient wind has a complex influence on smoke temperature in the compartment. When wind speed exceeds another critical value, only one steady state appears in the smoke temperature rising curve. Otherwise three steady states appear. Heat transfer through the compartment walls has great influence on the second critical wind speed.
URI: http://hdl.handle.net/10397/15469
ISSN: 0360-1323
EISSN: 1873-684X
DOI: 10.1016/j.buildenv.2009.04.008
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