Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/10526
Title: Large eddy simulations for studying tunnel smoke ventilation
Authors: Gao, PZ
Liu, SL
Chow, WK 
Fong, NK 
Keywords: Fans
Fire safety systems
Research and development
Issue Date: 2004
Publisher: Pergamon Press
Source: Tunnelling and underground space technology, 2004, v. 19, no. 6, p. 577-586 How to cite?
Journal: Tunnelling and underground space technology 
Abstract: Computational fluid dynamics are applied to simulate the smoke movement in a ventilated tunnel fire through large eddy simulation (LES). Several scenarios with different ventilation rates are considered by taking the fire as a volumetric heat source. Results predicted by LES are compared with those from a k -ε model. These include temperature fields, flame shape and the smoke movement pattern. It is found that thermal stratification and smoke backflow can be predicted successfully by LES. The possibility of applying LES as an engineering tool to smoke management system design in tunnels is discussed.
URI: http://hdl.handle.net/10397/10526
ISSN: 0886-7798
DOI: 10.1016/j.tust.2004.01.005
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