Bulletin of the American Physical Society
76th Annual Meeting of the Division of Fluid Dynamics
Sunday–Tuesday, November 19–21, 2023; Washington, DC
Session J24: Energy: Wind Power Wakes, Control and Fluctuations II
4:35 PM–6:32 PM,
Sunday, November 19, 2023
Room: 150A
Chair: Ethan Lust, US Naval Academy
Abstract: J24.00001 : The impact of baroclinicity on wind farm performance and wind farm wakes*
4:35 PM–4:48 PM
Presenter:
Jens Kasper
(University of Twente)
Authors:
Jens Kasper
(University of Twente)
Anja Stieren
(University of Twente)
Richard Stevens
(Univ of Twente)
We found that changes in atmospheric turbulence alter the recovery of the first turbine wakes, such that the power production of the initial rows can increase by up to 20% or decrease by up to 11%. Furthermore, differences in velocity resources aloft alter the turbulent entrainment of kinetic energy downstream in the wind farm, yielding differences in power ranging from -5% to +10%. Additionally, baroclinicity affects the wind farm wake recovery rate, as it is also governed by turbulent entrainment.
These results demonstrate that baroclinicity should be incorporated in wind farm design tools.
[1] Momen, J. Atmos. Sci. 75, 3797–3821 (2018).
[2] Stieren et al., PRX Energy. 1, 023007 (2022).
*This project received funding from the European Research Council under the European Union's Horizon 2020 research and innovation programme (Grant No. 804283).
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