- Author
-
Mos, A.
|
Giovannelli, G.
|
Chabert, A.
|
Brousse, B.
- Title
- Assessment of the Improvement in Fire Safety Provided by Upgrading the Ventilation System of a Major Road Tunnel.
- Coporate
- Centre d'Études des Tunnels (Cetu), France
Agefluid, France
SFTRF (French operating company for the Frejus tunnel), France
- Report
-
Volume 2,
- Book or Conf
- Interflam 2007. (Interflam '07). International Interflam Conference, 11th Proceedings. Volume 2. September 3-5, 2007,
London, England,
1339-1350 p.,
2007
- Keywords
-
tunnels
|
fire safety
|
ventilation systems
|
smoke control
|
air flow
|
pressure differential
|
atmospheric pressure
|
uncertainty
|
computational fluid dynamics
|
turbulence
|
smoke
|
equations
|
scenarios
|
dampers
- Identifiers
- Frejus tunnel is one of the main road links between France and Italy; projected upgrade of the smoke control system; space discretisation of the tunnel; discretisation of the pressure difference between the portals; detection errors and other uncertainties; combination of the uncertainties; one-dimensional probabilistic study; turbulence modeling and quantification of the stratification of smoke; Shear Stress Transfer (SST) model; Heavy Goods Vehicle (HGV); scenario 1, 10-damper system; scenario 1, 4-damper system; scenario 2, 10-damper system; scenario 2, 4-damper system; efficiency of smoke extraction