Articles | Volume 12, issue 6
https://doi.org/10.5194/amt-12-3463-2019
https://doi.org/10.5194/amt-12-3463-2019
Research article
 | 
28 Jun 2019
Research article |  | 28 Jun 2019

Automated wind turbine wake characterization in complex terrain

Rebecca J. Barthelmie and Sara C. Pryor

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Cited articles

Abkar, M. and Porte-Agel, F.: Influence of the Coriolis force on the structure and evolution of wind turbine wakes, Phys. Rev. Fluids, 1, 063701, https://doi.org/10.1103/PhysRevFluids.1.063701, 2016. 
Ainslie, J. F.: Calculating the flow field in the wake of wind turbines, J. Wind. Eng. Ind. Aerod., 27, 213–224, 1988. 
Aitken, M. L. and Lundquist, J. K.: Utility-Scale Wind Turbine Wake Characterization Using Nacelle-Based Long-Range Scanning Lidar, J. Atmos. Ocean. Tech., 31, 1529–1539, https://doi.org/10.1175/jtech-d-13-00218.1, 2014. 
Aitken, M. L., Banta, R. M., Pichugina, Y. L., and Lundquist, J. K.: Quantifying Wind Turbine Wake Characteristics from Scanning Remote Sensor Data, J. Atmos. Ocean. Tech., 31, 765–787, https://doi.org/10.1175/jtech-d-13-00104.1, 2014. 
Banta, R. M., Pichugina, Y. L., Brewer, W. A., Lundquist, J. K., Kelley, N. D., Sandberg, S. P., Alvarez, R. J., Hardesty, R. M., and Weickmann, A. M.: 3D Volumetric Analysis of Wind Turbine Wake Properties in the Atmosphere Using High-Resolution Doppler Lidar, J. Atmos. Ocean. Tech., 32, 904–914, https://doi.org/10.1175/jtech-d-14-00078.1, 2015. 
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Short summary
Wakes are volumes of air with low wind speed that form downwind of wind turbines. Their properties and behaviour determine optimal turbine spacing in wind farms. We use scanning Doppler lidar to accurately and precisely measure wake characteristics at a complex terrain site in Portugal. We develop and apply an automatic processing algorithm to detect wakes and quantify their characteristics. In higher wind speeds, the wake centres are lower. Wake centres are also lower in convective conditions.