日本風工学会論文集
Online ISSN : 1349-340X
Print ISSN : 1349-3507
ISSN-L : 1349-340X
論文
都市におけるガス拡散の屋外実測と風洞実験との対応および相似則の確認
立花 卓巳義江 龍一郎中山 悟岸田 岳士宮下 康一佐々木 亮治
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ジャーナル フリー

2022 年 47 巻 3 号 p. 39-52

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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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