Articles | Volume 5, issue 3
Wind Energ. Sci., 5, 1037–1058, 2020
Wind Energ. Sci., 5, 1037–1058, 2020
Research article
20 Aug 2020
Research article | 20 Aug 2020

An improved second-order dynamic stall model for wind turbine airfoils

Galih Bangga et al.

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Cited articles

Adema, N., Kloosterman, M., and Schepers, G.: Development of a second-order dynamic stall model, Wind Energ. Sci., 5, 577–590,, 2020. a, b, c, d, e, f, g, h, i
Bangga, G.: Three-Dimensional Flow in the Root Region of Wind Turbine Rotors, Kassel University Press GmbH, Kassel,, 2018. a
Bangga, G.: Numerical studies on dynamic stall characteristics of a wind turbine airfoil, J. Mech. Sci. Technol., 33, 1257–1262,, 2019. a
Beddoes, T.: Practical computation of unsteady lift, in: 8th European Rotorcraft Forum, Aix-en-Provence, France, 1982. a, b, c
Carr, L. W., McAlister, K. W., and McCroskey, W. J.: Analysis of the development of dynamic stall based on oscillating airfoil experiments, Tech. rep., NASA TN D-8382, National Aeronautics and Space Administration, Washington, D.C., USA, 1977. a
Short summary
Robust and accurate dynamic stall modeling remains one of the most difficult tasks in wind turbine load calculations despite its long research effort in the past. The present paper describes a new second-order dynamic stall model for wind turbine airfoils. The new model is robust and improves the prediction for the aerodynamic forces and their higher-harmonic effects due to vortex shedding but also provides improved predictions for pitching moment and drag.