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Effect of protection against wind according to the variation porosity of wind fence

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Environmental Geology

Abstract

This study examines shelter effect against the wind by using wind fence with various porosities and distance. The shelter effect of wind fence was investigated by a wind tunnel test. Flow characteristics of velocities and turbulences behind wind fence were measured using a hot-wire anemometer. This was done by varying the porosity by 0, 20, and 40% of the wind fence. The wind fence distance ranged from 1H to 9H. In addition, the overall characterization of the wind fence was investigated by measuring a total of 28 points on the wind fence, which forms a lattice structure on it with 7 points in the lateral direction and 4 points in the vertical direction. The results indicate that the degree of the turbulence is lowered and the velocity of the wind is decreased when porosity of 40% is used at a distance of 4H–7H. The effectiveness of the wind fence depends on the porosity and distance. Porosity of 20% proved to be effective for the protection area of 1H–3H, while that of 40% was effective for the protection area of 4H–6H.

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Acknowledgments

This work was supported by the Korea Science and Engineering Foundation (KOSEF) through the National Research Lab. Program funded by the Ministry of Science and Technology [No. R0A-2005-000-10080-0 (2007)].

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Authors and Affiliations

  1. Department of Architecture and Urban Engineering, Chonbuk National University, Chonju, 561-756, South Korea

    Ki-Pyo You & Young-Moon Kim

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  1. Ki-Pyo You
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  2. Young-Moon Kim
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Correspondence to Ki-Pyo You.

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You, KP., Kim, YM. Effect of protection against wind according to the variation porosity of wind fence. Environ Geol 56, 1193–1203 (2009). https://doi.org/10.1007/s00254-008-1219-y

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  • DOI: https://doi.org/10.1007/s00254-008-1219-y

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