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Wind and Structures Volume 11, Number 4, July 2008 , pages 275-289 DOI: https://doi.org/10.12989/was.2008.11.4.275 |
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Systematic influence of different building spacing, height and layout on mean wind and turbulent characteristics within and over urban building arrays |
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Dehai Jiang, Weimei Jiang, Hongnian Liu and Jianning Sun
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| Abstract | ||
| Large eddy simulations have been performed within and over different types of urban building arrays. This paper adopted three dimensionless parameters, building frontal area density (lf), the variation degree of building height (sh), and the staggered degree of building range (rs), to study the systematic influence of building spacing, height and layout on wind and turbulent characteristics. The following results have been achieved: (1) As lf decrease from 0.25 to 0.18, the mean flow patterns transfer from | ||
| Key Words | ||
| large eddy simulation; turbulent flow characteristics; urban building arrays; urban meteorology. | ||
| Address | ||
| Department of Atmospheric Sciences, Nanjing University, Nanjing, 210093, China | ||