WIND-TUNNEL STUDY OF CONCENTRATION FIELDS IN STREET CANYONS

This paper presents results from a case study of gaseous pollutant dispersion in street canyons. Tracer-gas experiments were performed in a neutrally stratified wind tunnel. Vehicle emissions were simulated as line sources. Concentration profiles along building walls were measured. A 2-dimensional street canyon was considered as the reference case. The influence of systematic parameter variations on the concentration field is studied and discussed. Building dimensions, upwind building configuration, wind direction, and roof geometry were found to be important parameters. Data sets from the study may be used for evaluating numerical models and for expert estimates of air quality in the urban environment.

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  • Corporate Authors:

    Elsevier

    The Boulevard, Langford Lane
    Kidlington, Oxford  United Kingdom  OX5 1GB
  • Authors:
    • Kastner-Klein, P
    • Plate, E J
  • Publication Date: 1999-10

Language

  • English

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Filing Info

  • Accession Number: 00798722
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Sep 13 2000 12:00AM