Boundary Layer Wind Characteristics over Urban Area

Lun Hai Zhi

doi:10.4028/www.scientific.net/AMM.501-504.2297

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 501-504Boundary Layer Wind Characteristics over Urban...

Boundary Layer Wind Characteristics over Urban Area

Abstract:

This paper presents statistical analysis results of wind speed and atmospheric turbulence data measured from a meteorological station in Beijing and is primarily intended to provide useful information on boundary layer wind characteristics for wind-resistant design of tall buildings and high-rise structures. Wind velocity data in longitudinal, lateral and vertical directions, which were recorded from an ultrasonic anemometer during windstorms, are analyzed and discussed. Atmospheric turbulence information such as turbulence intensity, gust factor, turbulence integral length scale and power spectral densities of the three-dimensional fluctuating wind velocity are presented and used to evaluate the adequacy of existing theoretical and empirical models. The objective of this study is to investigate the profiles of mean wind speed and atmospheric turbulence characteristics over a typical urban area.

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Periodical:

Applied Mechanics and Materials (Volumes 501-504)

Pages:

2297-2300

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.501-504.2297

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Online since:

January 2014

Authors:

Lun Hai Zhi*

Keywords:

Atmospheric Turbulence, Boundary Layer Wind Characteristic, Field Measurement, Tall Building Design

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