Journal of Wind Engineering
Online ISSN : 1349-340X
Print ISSN : 1349-3507
ISSN-L : 1349-340X
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Volume 47, Issue 3
Displaying 1-1 of 1 articles from this issue
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Research Article
  • Comparison between Field Measurement and Wind Tunnel Experiments of Gas Dispersion in an Urban Area and Verification of Similarity Law
    Takumi TACHIBANA, Ryuichiro YOSHIE, Satoru NAKAYAMA, Takeshi KISHIDA, ...
    Article type: Research article
    2022 Volume 47 Issue 3 Pages 39-52
    Published: 2022
    Released on J-STAGE: July 23, 2022
    DOIhttps://doi.org/10.5359/jwe.47.39
    JOURNAL FREE ACCESS
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    This study aims to validate prediction of pollutant dispersion in urban area based on wind tunnel experiment. For this purpose, wind tunnel experiments and filed measurements of tracer gas dispersion were conducted in the campus of Tokyo Polytechnic University, and their results were compared. In addition, wind tunnel experiment was carried out under various conditions of experimental model scale, wind speed, and pollutant emission rates to confirm similarity law. The normalized concentration obtained by the wind tunnel experiments agreed well with the field measurement data. It was also confirmed that the normalized non-dimensional concentration was nearly independent of experimental model scale, wind speed, and pollutant emission rate.
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