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Title: Scale modelling of smoke movement in linear atrium
Authors: Fong, YY
Fong, NK 
Keywords: Linear atrium
Scale modelling
Smoke movement
Issue Date: 2003
Source: International journal on engineering performance - based fire codes, 2003, v. 5, no. 4, p. 149-151 How to cite?
Journal: International journal on engineering performance - based fire codes 
Abstract: Atrium is a popular architectural feature in the Far East including Hong Kong in the past two decades. There are many technical issues in building services systems for the atrium, especially on fire safety. In case of fire, a plume will be formed which buoyancy as its driving force, and smoke layer will be formed by ceiling jet after the impingement of the plume to the ceiling. The hot smoke layer on the compartment shall have a clear zone for evacuation. However, it is found that in a linear atrium, a clear zone cannot be seen. It is because the smoke will travel a long distance as a ceiling jet allows more air entrainment. The smoke layer temperature is reduced and lost buoyancy for maintaining smoke layer at high level. Thus, smoke control system is important in a linear atrium, and this paper will apply the scale modelling method to study the smoke movement in linear atrium in order to design an appropriate smoke control system.
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