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Title: Wind effects on performance of static smoke exhaust systems : horizontal ceiling vents
Authors: Chow, WK 
Li, J
Issue Date: 2004
Publisher: American Society of Heating, Refrigerating and Air Conditioning Engineers
Source: ASHRAE transactions, 2004, v. 110 PART II, 4740, p. 479-488 How to cite?
Journal: ASHRAE transactions 
Abstract: For static smoke exhaust systems, such as horizontal ceiling vents, buoyancy of the smoke layer is the driving force for smoke removal. However, wind effect should also be considered, as the smoke layer interface height can be raised up or pulled down, depending on the conditions. Key equations on calculating the smoke exhaust rates and the required vent area will be reviewed first in this paper. Modifications of those equations with wind effects are discussed. An atrium is taken as an example to study the wind effects under two scenarios: a fire at the atrium floor to give an axisymmetric plume and a fire at a shop adjacent to the atrium to give a balcony spill plume.
Description: Technical and Symposium Papers - 2004 Annual Meeting of the American Society of Heating, Refrigerating and Air-Conditioning Engineers, Nashville, TX, 26-30 June 2004
ISSN: 0001-2505
Appears in Collections:Conference Paper

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