Articles | Volume 5, issue 2
Wind Energ. Sci., 5, 699–719, 2020

Special issue: Wind Energy Science Conference 2019

Wind Energ. Sci., 5, 699–719, 2020
Research article
11 Jun 2020
Research article | 11 Jun 2020

Validation and accommodation of vortex wake codes for wind turbine design load calculations

Koen Boorsma et al.

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Progress in validation of rotor aerodynamic codes using field data
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Wind Energ. Sci. Discuss.,,, 2022
Preprint under review for WES
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Cited articles

Bangga, G.: Comparison of blade element method and CFD simulations of a 10 MW wind turbine, Fluids, 3, 73,, 2018. a
Bangga, G., Lutz, T., Jost, E., and Krämer, E.: CFD studies on rotational augmentation at the inboard sections of a 10 MW wind turbine rotor, J. Renew. Sustain. Energ., 9, 023304,, 2017. a, b
Belessis, M., Chasapogiannis, P., and Voutsinas, S.: Free-wake modelling of rotor aerodynamics: recent developments and future perspectives, in: EWEC 2001, WIP-Renewable Energies, Munich, 2001. a
Boorsma, K.: Validation of BEM and Vortex-wake models with full scale on-site measurements, TKI WoZ Vortexloads WP3, Tech. Rep. TNO 2019 R11390, TNO, available at: (last access: 10 June 2020), 2019. a
Boorsma, K. and Schepers, J.: Final report of IEA Task 29, Mexnext (Phase 3), ECN-E-18-003, Energy Research Center of the Netherlands, available at: (last access: 10 June 2020), 2018. a, b
Short summary
The present publication has contributed towards making vortex wake models ready for application to certification load calculations. The reduction in flapwise blade root moment fatigue loading using vortex wake models instead of the blade element momentum method has been verified using dedicated CFD simulations. A validation effort against a long-term field measurement campaign featuring 2.5 MW turbines has confirmed the improved prediction of unsteady load characteristics by vortex wake models.