Effect of Wind Direction on Airflow and Pollutant Dispersion Inside a Street Intersection
The airflow and pollutant dispersion inside a street intersection under six different wind directions were evaluated using the computational fluid dynamics approach. The numerical results reveal that the flow and pollutant dispersion inside a street intersection are greatly influenced by the incomin...
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| Veröffentlicht in: | Nature environment and pollution technology 2015-06, Vol.14 (2), p.355-355 |
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| creator | Lihua, Huang Yuandong, Huang Wenrong, He Liming, Huang Yixin, Ren |
| description | The airflow and pollutant dispersion inside a street intersection under six different wind directions were evaluated using the computational fluid dynamics approach. The numerical results reveal that the flow and pollutant dispersion inside a street intersection are greatly influenced by the incoming wind direction: 1. The air exchange between the outer flow and the intersection interior is the strongest under the wind direction angles of plus or minus 10 degrees, while it is the weakest for the wind direction angle of 45 degrees; and 2. the pollutants from the intersection centre at the ground level are transported into the different streets depending on the various wind directions. |
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The numerical results reveal that the flow and pollutant dispersion inside a street intersection are greatly influenced by the incoming wind direction: 1. The air exchange between the outer flow and the intersection interior is the strongest under the wind direction angles of plus or minus 10 degrees, while it is the weakest for the wind direction angle of 45 degrees; and 2. the pollutants from the intersection centre at the ground level are transported into the different streets depending on the various wind directions.</description><identifier>ISSN: 0972-6268</identifier><identifier>EISSN: 2395-3454</identifier><language>eng</language><publisher>Karad: Technoscience Publications</publisher><subject>Airflow ; Computational fluid dynamics ; Dispersions ; Exchange ; Fluid dynamics ; Intersections ; Pollutants ; Streets ; Turbulence models ; Velocity ; Wind direction</subject><ispartof>Nature environment and pollution technology, 2015-06, Vol.14 (2), p.355-355</ispartof><rights>Copyright Technoscience Publications Jun 2015</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780</link.rule.ids></links><search><creatorcontrib>Lihua, Huang</creatorcontrib><creatorcontrib>Yuandong, Huang</creatorcontrib><creatorcontrib>Wenrong, He</creatorcontrib><creatorcontrib>Liming, Huang</creatorcontrib><creatorcontrib>Yixin, Ren</creatorcontrib><title>Effect of Wind Direction on Airflow and Pollutant Dispersion Inside a Street Intersection</title><title>Nature environment and pollution technology</title><description>The airflow and pollutant dispersion inside a street intersection under six different wind directions were evaluated using the computational fluid dynamics approach. 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| ispartof | Nature environment and pollution technology, 2015-06, Vol.14 (2), p.355-355 |
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| language | eng |
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| source | DOAJ Directory of Open Access Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Airflow Computational fluid dynamics Dispersions Exchange Fluid dynamics Intersections Pollutants Streets Turbulence models Velocity Wind direction |
| title | Effect of Wind Direction on Airflow and Pollutant Dispersion Inside a Street Intersection |
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