Abstract

In this paper, the aerodynamic characteristics are clarified by the airfoil performance test of the model of icing airfoil in wind tunnel. As a result of wind tunnel test, the lift coefficient of model of icing airfoil becomes lower and the drag coefficient becomes higher than those of clean airfoil. With the use of these results, numerical analysis using aeroelastic code was carried out to clarify the influence of icing airfoil on wind turbine performance. As result of the analysis, the rated power with icing airfoil is obtained at higher wind speed than clean one, and the maximum value of output power is decreased by icing airfoil. Compared to clean airfoil, the amplitude of edgewise moment at blade root is increased, which is mainly caused by the effects of mass of icing on the blade.

Issue Section:
Alternative Energy Sources
Keywords:
icing airfoil, wind turbine performance, wind turbine icing, numerical analysis
Topics:
Airfoils, Blades, Numerical analysis, Wind turbines, Wind tunnels, Drag (Fluid dynamics)

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