Modelling of Pollutants Dispersion from a City Road Tunnel

  • Miroslav Jicha
  • Jaroslav Katolicky
  • Raimund Almbauer
Part of the NATO • Challenges of Modern Society book series (NATS, volume 22)

Abstract

An outlet portal of a city road tunnel is one of crucial point sources of pollutants to be taken into account when modeling dispersion of pollutants within a city. Namely in case of local scale modeling a correct knowledge of velocity and concentration profiles at the outlet portals may play a non-negligible role. And these profiles are established in a dominant way by the traffic density and speed. In the first part of the paper we are going to present a new Lagrangian - Eulerian approach to moving vehicles througout a traffic tunnel and as a result to give values of flow rate entrained into and out of the tunnel and velocity and concentration profiles at the outlet tunnel portal. In the second part of the paper, dispersion of pollutants from the Plabutsch highway tunnel in Graz (Austria) is predicted for various boundary conditions.

Keywords

Pollutant Dispersion Outlet Portal Eulerian Approach Correct Knowledge Atmospheric Dispersion Modelling 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

References

  1. Patankar, S.V., 1980, Numerical Heat Transfer and Fluid Flow, Hemisphere Publ. Corp., Crowe, G.T., Sharma, M.P., Stock, D.E., 1977, The partical-source-in cell model for gas-droplet flows, J. of Fluid Engineering, pp. 325-332Google Scholar
  2. Jicha M., Katolicky, J., Patankar, S.V., 1996, Modelling of pollutants distribution at city road tunnel outlet, Proc. of 4th Workshop on Harmonization within atmospheric dispersion modelling, Vol. 2, pp.353–360, Oostende, BelgiumGoogle Scholar

Copyright information

© Springer Science+Business Media New York 1998

Authors and Affiliations

  • Miroslav Jicha
    • 1
  • Jaroslav Katolicky
    • 1
  • Raimund Almbauer
    • 2
  1. 1.Technical University of BrnoBrnoCzech Republic
  2. 2.University of Technology of GrazGrazAustria

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