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논문 기본 정보

자료유형
학술저널
저자정보
Li, Q.S. (Department of Building and Construction, City University of Hong Kong) Zhi, Lunhai (Department of Building and Construction, City University of Hong Kong) Hu, Fei (Institute of Atmospheric Physics, Chinese Academy of Sciences)
저널정보
테크노프레스 Wind & structures Wind & structures 제12권 제6호
발행연도
2009.1
수록면
553 - 574 (22page)

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This paper presents statistical analysis results of wind speed and atmospheric turbulence data measured from more than 30 anemometers installed at 15 different height levels on 325 m high Beijing Meteorological Tower and is primarily intended to provide useful information on boundary layer wind characteristics for wind-resistant design of tall buildings and high-rise structures. Profiles of mean wind speed are presented based on the field measurements and are compared with empirical models' predictions. Relevant parameters of atmospheric boundary layer at urban terrain are determined from the measured wind speed profiles. Furthermore, 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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