Articles | Volume 7, issue 1
https://doi.org/10.5194/wes-7-185-2022
https://doi.org/10.5194/wes-7-185-2022
Research article
 | 
01 Feb 2022
Research article |  | 01 Feb 2022

Field measurements of wake meandering at a utility-scale wind turbine with nacelle-mounted Doppler lidars

Peter Brugger, Corey Markfort, and Fernando Porté-Agel

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Cited articles

Angell, J. K., Pack, D. H., Hoegker, W. H., and Delver, N.: Lagrangian-Eulerian time-scale ratios estimated from constant volume balloon flights past a tall tower, Q. J. Roy. Meteorol. Soc., 97, 87–92, https://doi.org/10.1002/qj.49709741108, 1971. a
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Bastankhah, M. and Porté-Agel, F.: A New Miniature Wind Turbine for Wind Tunnel Experiments. Part II: Wake Structure and Flow Dynamics, Energies, 10, 923, https://doi.org/10.3390/en10070923, 2017. a, b
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Short summary
Wind turbines create a wake of reduced wind speeds downstream of the rotor. The wake does not necessarily have a straight, pencil-like shape but can meander similar to a smoke plume. We investigated this wake meandering and observed that the downstream transport velocity is slower than the wind speed contrary to previous assumptions and that the evolution of the atmospheric turbulence over time impacts wake meandering on distances typical for the turbine spacing in wind farms.
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