期刊
JOURNAL OF WIND ENGINEERING AND INDUSTRIAL AERODYNAMICS
卷 123, 期 -, 页码 274-280出版社
ELSEVIER
DOI: 10.1016/j.jweia.2013.09.002
关键词
Square cylinders; Rounded corners; Galloping; Drag crisis; Reynolds number effects
The influence of corner shaping and turbulence intensity on the aerodynamic stability of square cylinders is studied with a quasi-static approach. Beside the sharp-edge corner condition, two different rounded-corner radii (r/b=1/15 and 2/15) are considered. The stability analyses are based on aerodynamic coefficients derived through static wind tunnel tests in smooth and turbulent flow, in the Reynolds number range between 1.7 x 10(4) and 2.3 x 10(5). The experimental data are employed to determine the stability boundaries depending on the angle of attack and - when relevant - on the Reynolds number. (C) 2013 Elsevier Ltd. All rights reserved.
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