Articles | Volume 6, issue 3
Wind Energ. Sci., 6, 663–675, 2021
https://doi.org/10.5194/wes-6-663-2021
Wind Energ. Sci., 6, 663–675, 2021
https://doi.org/10.5194/wes-6-663-2021

Research article 11 May 2021

Research article | 11 May 2021

Evaluation of tilt control for wind-turbine arrays in the atmospheric boundary layer

Carlo Cossu

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Cited articles

Annoni, J., Scholbrock, A., Churchfield, M., and Fleming, P. A.: Evaluating Tilt for Wind Plants, in: 2017 American Control Conference (ACC), IEEE, IEEE, Seattle, WA, USA, 717–722, https://doi.org/10.23919/ACC.2017.7963037, 2017. a, b, c, d, e, f
Bastankhah, M. and Porté-Agel, F.: Experimental and Theoretical Study of Wind Turbine Wakes in Yawed Conditions, J. Fluid Mech., 806, 506–541, https://doi.org/10.1017/jfm.2016.595, 2016. a
Bay, C. J., Annoni, J., Martínez-Tossas, L. A., Pao, L. Y., and Johnson, K. E.: Flow Control Leveraging Downwind Rotors for Improved Wind Power Plant Operation, in: 2019 American Control Conference (ACC), IEEE, 2843–2848, 2019. a, b
Böberg, L. and Brosa, U.: Onset of Turbulence in a Pipe, Z. Für Naturforschung A, 43, 697–726, https://doi.org/10.1515/zna-1988-8-901, 1988. a
Burton, T., Jenkins, N., Sharpe, D., and Bossanyi, E.: Wind energy handbook, John Wiley & Sons, Chichester, UK, 2001. a
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Short summary
We deal with wake redirection, which is a promising approach designed to mitigate turbine–wake interactions which have a negative impact on the performance and lifetime of wind farms. We show that substantial power gains can be obtained by tilting the rotors of spanwise-periodic wind-turbine arrays in the atmospheric boundary layer (ABL). Optimal relative rotor sizes and spanwise spacings exist, which maximize the global power extracted from the wind.