Articles | Volume 7, issue 1
https://doi.org/10.5194/wes-7-75-2022
https://doi.org/10.5194/wes-7-75-2022
Research article
 | 
20 Jan 2022
Research article |  | 20 Jan 2022

A computationally efficient engineering aerodynamic model for non-planar wind turbine rotors

Ang Li, Mac Gaunaa, Georg Raimund Pirrung, and Sergio González Horcas

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Cited articles

Bergami, L. and Gaunaa, M.: ATEFlap Aerodynamic Model, a dynamic stall model including the effects of trailing edge flap deflection, Danmarks Tekniske Universitet, Risø Nationallaboratoriet for Bæredygtig Energi, 52 pp., ISBN 8755039340, 9788755039346, 2012. a
Bortolotti, P., Tarrés, H. C., Dykes, K., Merz, K., Sethuraman, L., Verelst, D., and Zahle, F.: Systems Engineering in Wind Energy – WP2.1 Reference Wind Turbines, Tech. rep., NREL – National Renewable Energy Laboratory [data set], available at: https://www.osti.gov/biblio/1529216-iea-wind-tcp-task-systems-engineering-wind-energy -wp2-reference-wind-turbines (last access: 2 April 2021), 2019. a, b, c, d
Branlard, E.: Wind Turbine Aerodynamics and Vorticity-Based Methods, Springer, https://doi.org/10.1007/978-3-319-55164-7, 2017. a
Branlard, E. and Gaunaa, M.: Development of new tip-loss corrections based on vortex theory and vortex methods, J. Phys.: Conf. Ser., 555, 012012, https://doi.org/10.1088/1742-6596/555/1/012012, 2014. a, b
Branlard, E. and Gaunaa, M.: Superposition of vortex cylinders for steady and unsteady simulation of rotors of finite tip-speed ratio, Wind Energy, 19, 1307–1323, https://doi.org/10.1002/we.1899, 2015a. a, b, c, d, e, f, g, h, i, j, k
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Short summary
An engineering aerodynamic model for non-planar horizontal-axis wind turbines is proposed. The performance of the model is comparable with high-fidelity models but has similarly low computational cost as currently used low-fidelity models, which do not have the capability to model non-planar rotors. The developed model could be used for an efficient and accurate load calculation of non-planar wind turbines and eventually be integrated in a design optimization framework.
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