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|Title:||Experimental study on wake evolution of a 1.5 mw wind turbine in a complex terrain wind farm based on lidar measurements||Authors:||Zhao, F
|Issue Date:||2020||Source:||Sustainability, 2 Mar. 2020, v. 12, no. 6, 2467, p. 1-14||Abstract:||To study the wake development characteristics of wind farms in complex terrains, two different types of Light Detection and Ranging (LiDAR) were used to conduct the field measurements in a mountain wind farm in Hebei Province, China. Under two different incoming wake conditions, the influence of wind shear, terrain and incoming wind characteristics on the development trend of wake was analyzed. The results showed that the existence of wind shear effect causes asymmetric distribution of wind speed in the wake region. The relief of the terrain behind the turbine indicated a subsidence of the wake centerline, which had a linear relationship with the topography altitudes. The wake recovery rates were calculated, which comprehensively validated the conclusion that the wake recovery rate is determined by both the incoming wind turbulence intensity in the wake and the magnitude of the wind speed.||Keywords:||Wake characteristics
|Publisher:||Molecular Diversity Preservation International (MDPI)||Journal:||Sustainability||EISSN:||2071-1050||DOI:||10.3390/su12062467||Rights:||© 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
The following publication Zhao, F.; Gao, Y.; Wang, T.; Yuan, J.; Gao, X. Experimental Study on Wake Evolution of a 1.5 MW Wind Turbine in a Complex Terrain Wind Farm Based on LiDAR Measurements. Sustainability 2020, 12, 2467 is available at https://dx.doi.org/10.3390/su12062467
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