Papers Presented at the 5th International Symposium on the Aerodynamics & Ventilation of Vehicle Tunnels, Lille, France 20-22 May, 1985, Volume 6J. H. Pounsford |
Contents
Aerodynamics and Ventilation of Vehicle Tunnels | 1 |
J Cockram London Regional Transport U | 8 |
D1 An investigation of atmospheric pressure differences affecting the longitudinal ventilation of road | 189 |
Copyright | |
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Common terms and phrases
aerodynamic air flow air velocity average calculation carried cars Centre closed coefficient concentration consideration considered cross curves depends determined diffusion direction distance distribution divider doors duct effect emergency emission Engineering equation equipment example exhaust exit experiments extraction factor fans Figure fire Fluid fresh air friction given head heat important increase influence jet fans km/h length limit longitudinal loss mass maximum mean measurements method moving natural necessary normal obtained operation parameters passengers passing platform pollution portal position possible present pressure railway ratio reduced reference region relative road running shaft shown shows side simulation situation smoke speed station subway supply Table temperature tests traffic train tube tunnel turbulence values vehicles ventilation system volume wall wave wind