Study of the Smoke Propagation in a Road Tunnel

Authors

  • B. Kalech University of Tunis-El Manar
  • B. Jouini
  • M. Bouterra
  • A. el Cafsi
  • A. Belghith

DOI:

https://doi.org/10.3329/jsr.v6i1.14696

Keywords:

Tunnel fire, Smoke flow, Stratification, FDS

Abstract

Road tunnels are increasingly built due to heavy traffic in dense urban areas. Knowledge of the spread of smoke is still limited. A numerical study on the smoke flow in a tunnel has been made using the model of small-scale tunnel. Effects of the longitudinal air flow on the flow structure, the temperature distribution and the smoke stratification of the fire in the tunnel have been considered by taking into account the inclination of the tunnel and the transverse positioning of the source. The results show that the spread of smoke is independent of the transverse position of the source in the fourth phase of the flow. The slope has a slight influence on the flow and promotes the flow stratification in a ascending slope. The longitudinal air flow promotes destratification of the smoke flow. The model was validated by comparison with experimental data obtained from fire tests (Wu et al.) in a small-scale tunnel.

 

Keywords: Tunnel fire; Smoke flow; Stratification; FDS

 

© 2014 JSR Publications. ISSN: 2070-0237 (Print); 2070-0245 (Online). All rights reserved.

 

doi: http://dx.doi.org/10.3329/jsr.v6i1.14696 J. Sci. Res. 6 (1), 51-68 (2014)

Downloads

Download data is not yet available.
Abstract
180
PDF
262

Author Biography

B. Kalech, University of Tunis-El Manar

Physics

LETTM, Faculty of Sciences of Tunis, El Manar 2092

Downloads

Published

2013-12-26

How to Cite

Kalech, B., Jouini, B., Bouterra, M., el Cafsi, A., & Belghith, A. (2013). Study of the Smoke Propagation in a Road Tunnel. Journal of Scientific Research, 6(1), 51–68. https://doi.org/10.3329/jsr.v6i1.14696

Issue

Vol. 6 No. 1 (2014)

Section

Section A: Physical and Mathematical Sciences

License

© Journal of Scientific Research

Creative Commons License

Articles published in the "Journal of Scientific Research" are Open Access articles under a Creative Commons Attribution-ShareAlike 4.0 International license (CC BY-SA 4.0). This license permits use, distribution and reproduction in any medium, provided the original work is properly cited and initial publication in this journal. In addition to that, users must provide a link to the license, indicate if changes are made and distribute using the same license as original if the original content has been remixed, transformed or built upon.