Articles | Volume 6, issue 3
Wind Energ. Sci., 6, 715–736, 2021
https://doi.org/10.5194/wes-6-715-2021
Wind Energ. Sci., 6, 715–736, 2021
https://doi.org/10.5194/wes-6-715-2021

Research article 25 May 2021

Research article | 25 May 2021

A simplified model for transition prediction applicable to wind-turbine rotors

Thales Fava et al.

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Short summary
This work develops a simplified framework to predict transition to turbulence on wind-turbine blades. The model is based on the boundary-layer and parabolized stability equations, including rotation and three-dimensionality effects. We show that these effects may promote transition through highly oblique Tollmien–Schlichting (TS) or crossflow modes at low radii, and they should be considered for a correct transition prediction. At high radii, transition tends to occur through 2D TS modes.