Performance improvement of horizontal axis wind turbines using curved gurney flap: 3D numerical investigation
Hamed Sedighi,
Pooria Akbarzadeh,
Ali Salavatipour
Abstract:The impact of curved Gurney flaps on the performance of a 660 kW V47 horizontal axis wind turbine (HAWT) is analyzed in this study. The trailing edge of the turbine blades is passively modified by curved flaps. The continuity and momentum equations are solved using a Reynolds-averaged Navier-Stokes solver and Shear-Stress-Transport turbulent model. The effect of the direction and radius of curved flaps on the aerodynamic performance of the wind turbine (torque and power generation, flow separation, and thrust … Show more
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