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Wind and Structures Volume 21, Number 4, October 2015 , pages 383-405 DOI: https://doi.org/10.12989/was.2015.21.4.383 |
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Pressure measurements on inclined square prisms |
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Gang Hu, K.T. Tse, K.C.S. Kwok and Z.S. Chen
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| Abstract | ||
| This study investigated aerodynamic characteristics of an inclined square prism experimentally. Pressure measurements were performed on a static square prism with a series of inclinations including forward inclinations (inclined to the upwind direction) and backward inclinations (inclined to the downwind direction). The prism with a vertical attitude was also tested for comparisons. Based on the pressure data, influences of the inclinations on aerodynamic characteristics (e.g., force coefficients, pressure distributions on the surfaces, and vortex shedding features) of the square prism were evaluated in detail. The results show that the inclinations have significant effects on these aerodynamic characteristics. Furthermore, the influences of the forward and backward inclinations are quite different. | ||
| Key Words | ||
| aerodynamic characteristic; inclined prism; wind tunnel test; square prism | ||
| Address | ||
| Gang Hu and K.C.S. Kwok:Department of Civil and Environmental Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China; Institute for Infrastructure Engineering, Western Sydney University, Penrith, NSW, 2751, Australia K.T. Tse and Z.S. Chen: Department of Civil and Environmental Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China | ||