Articles | Volume 9, issue 4
https://doi.org/10.5194/wes-9-933-2024
https://doi.org/10.5194/wes-9-933-2024
Research article
 | 
17 Apr 2024
Research article |  | 17 Apr 2024

The near-wake development of a wind turbine operating in stalled conditions – Part 1: Assessment of numerical models

Pascal Weihing, Marion Cormier, Thorsten Lutz, and Ewald Krämer

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Cited articles

Akay, B.: The root flow of horizontal axis wind turbine blades: Experimental analysis and numerical validation, PhD thesis, TU Delft, Delft, ISBN 978-90-76468-15-0, https://doi.org/10.4233/uuid:2a3f9993-d406-42ee-9d64-57da3fbc0d12, 2016. a, b, c
Bailey, S. and Tavoularis, S.: Measurements of the velocity field of a wing-tip vortex, wandering in grid turbulence, J. Fluid Mech., 601, 281–315, 2008. a, b
Bak, C., Aagaard Madsen, H., Schmidt Paulsen, U., Gaunaa, M., Fuglsang, P., Romblad, J., Olesen, N. A., Enevoldsen, P., Laursen, J., and Jensen, L.: DAN-AERO MW: Detailed aerodynamic measurements on a full scale MW wind turbine, in: 2010 European Wind Energy Conference and Exhibition, European Wind Energy Association (EWEA), 20–23 April 2010, Warsaw, Poland, 2010. a
Bartl, J. and Sætran, L.: Blind test comparison of the performance and wake flow between two in-line wind turbines exposed to different turbulent inflow conditions, Wind Energ. Sci., 2, 55–76, https://doi.org/10.5194/wes-2-55-2017, 2017. a, b
Bastankhah, M. and Porté-Agel, F.: Wind tunnel study of the wind turbine interaction with a boundary-layer flow: Upwind region, turbine performance, and wake region, Phys. Fluids, 29, 065105, https://doi.org/10.1063/1.4984078, 2017. a
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Short summary
This study evaluates different approaches to simulate the near-wake flow of a wind turbine. The test case is in off-design conditions of the wind turbine, where the flow is separated from the blades and therefore very difficult to predict. The evaluation of simulation techniques is key to understand their limitations and to deepen the understanding of the near-wake physics. This knowledge can help to derive new wind farm design methods for yield-optimized farm layouts.
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