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A platform for research: civil engineering, architecture and urbanism
A numerical study on smoke movement in longitudinal ventilation tunnel fires for different aspect ratio
AbstractIn this study, numerical simulation was carried out to analyze the effect of the aspect ratio on smoke movement in tunnel fires using FDS 3.0. Temperature distribution under the ceiling showed a relatively good agreement with experimental results within 10°C. It confirmed the possibility of application of FDS code to tunnel fires. Results from varying of the aspect ratio showed good agreement with experimental data. Temperature near the fire source decreased with the increase of the aspect ratio. But, the rate of the temperature decrease was reduced by the decrease of the heat loss in the spanwise direction. Clear height of the simulation by the analysis of the velocity distribution was about 3% higher than that of the experimental result. Numerical results predicted the back-layering distance and the critical velocity reasonably.
A numerical study on smoke movement in longitudinal ventilation tunnel fires for different aspect ratio
AbstractIn this study, numerical simulation was carried out to analyze the effect of the aspect ratio on smoke movement in tunnel fires using FDS 3.0. Temperature distribution under the ceiling showed a relatively good agreement with experimental results within 10°C. It confirmed the possibility of application of FDS code to tunnel fires. Results from varying of the aspect ratio showed good agreement with experimental data. Temperature near the fire source decreased with the increase of the aspect ratio. But, the rate of the temperature decrease was reduced by the decrease of the heat loss in the spanwise direction. Clear height of the simulation by the analysis of the velocity distribution was about 3% higher than that of the experimental result. Numerical results predicted the back-layering distance and the critical velocity reasonably.
A numerical study on smoke movement in longitudinal ventilation tunnel fires for different aspect ratio
Lee, Sung Ryong (author) / Ryou, Hong Sun (author)
Building and Environment ; 41 ; 719-725
2005-03-15
7 pages
Article (Journal)
Electronic Resource
English
| British Library Online Contents | 2006
CFD analysis of smoke backlayering dispersion in tunnel fires with longitudinal ventilation
| Online Contents | 2017
Cfd analysis of smoke backlayering dispersion in tunnel fires with longitudinal ventilation
| British Library Online Contents | 2017