Flow around a windbreak in oblique wind |
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| Authors: | Ido Seginer |
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| Institution: | (1) Technion - Israel, Institute of Technology, 32000 Technion City, Haifa, Israel |
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| Abstract: | Wind speed was measured near the surface, along a line normal to a single, 50 % porous windbreak. The results for near-neutral atmospheric conditions were strongly dependent on the incidence angle of the wind, a, and slightly dependent on the roughness of the surface. A measure of the shelter effect - the protected distance - was found to decrease faster than cos  . The drag coefficient of the windbreak decreased proportionally with cos . The effect of increased roughness was to increase the wind speed near the surface in the lee of the windbreak. |
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