期刊
JOURNAL OF WIND ENGINEERING AND INDUSTRIAL AERODYNAMICS
卷 122, 期 -, 页码 60-68出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jweia.2013.07.002
关键词
Aerodynamic characteristics; High-rise buildings; Triangular cross-sections; Local wind force coefficients; Overturning moment coefficients; Power spectral densities
Six pressure models of high rise buildings were tested in a boundary layer wind tunnel. Five had triangular cross sections with configurations of Straight Triangle, Corner cut, 60 degrees Helical, 180 degrees Helical and 360 degrees Helical, and the other had a configuration of Clover. This study investigates variations in along-wind and crosswind overturning moment coefficients, power spectral densities, and trajectories of various wind force coefficients, as well as the effects of helical angle and aerodynamic modifications on wind forces and peak spectral values. The results show that the helical models had more effect on aerodynamic characteristics. (C) 2013 Elsevier Ltd. All rights reserved.
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