The Influence of High-Rise Buildings on Pedestrian-Level Wind in Surrounding Street Canyons in an Urban Renewal Project

The pedestrian wind environment in a street canyon is affected by a multitude of factors, including the height and geometric shape of the surrounding buildings, the street width, the wind direction, and speed. Wind-tunnel tests were performed to determine the effects of constructing high buildings i...

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Bibliographic Details
Published in:Energies (Basel) 2020-06, Vol.13 (11), p.2745
Main Authors: Huang, Tzu-Ling, Kuo, Chien-Yuan, Tzeng, Chun-Ta, Lai, Chi-Ming
Format: Article
Language:English
Subjects:
Buildings
Channeling
Design specifications
High rise buildings
high-rise building
Low rise buildings
Morphology
pedestrian wind environment
Shielding
street canyon
Street canyons
Traffic accidents & safety
Urban renewal
Ventilation
Wind
Wind direction
Wind speed
Wind tunnel testing
Wind tunnels
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Summary:The pedestrian wind environment in a street canyon is affected by a multitude of factors, including the height and geometric shape of the surrounding buildings, the street width, the wind direction, and speed. Wind-tunnel tests were performed to determine the effects of constructing high buildings in an urban renewal project in New Taipei City, Taiwan on the pedestrian wind environments in the surrounding street canyons. The results show that replacing the original low-rise buildings with high-rise buildings could decrease the wind speed and natural ventilation potential in certain surrounding street canyons. The flow fields generated by approaching winds in various street canyons are highly complex in this practical case study. Thus, the pedestrian wind patterns in the street canyons cannot be interpreted in terms of channeling and shielding effects alone, as is typically reported in the literature.
ISSN:1996-1073
1996-1073
DOI:10.3390/en13112745