Research on Wind Turbine Airfoils Aerodynamic Performance of Trailing Edge Modification

Shang Ke Yuan; Zi Qin Zhao

doi:10.4028/www.scientific.net/AMM.741.554

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 741Research on Wind Turbine Airfoils Aerodynamic...

Research on Wind Turbine Airfoils Aerodynamic Performance of Trailing Edge Modification

Abstract:

The airfoil commonly employed in wind turbines is modified by attaching a Gurney flap with length of 2% chord at its trailing edge and its remodeled form as well,but it showed special aerodynamic characteristics.The software FLUENT are respectively used to carry out numerical computation of aerodynamic performances of above-mentioned three airfoils, so that their aerodynamic characteristics, surface pressure distribution, and streamline around them are obtained for different angles of attack. It is shown by the computation result that the modified airfoils will result in such a strong downwash effect and the pressure distribution on airfoil surface is remarkably altered, the lift coefficient, and meantime the airfoil stalling is greatly postponed,but the airfoil of Gurney flap shown the characteristics of opposite.

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Periodical:

Applied Mechanics and Materials (Volume 741)

Pages:

554-557

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.741.554

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Online since:

March 2015

Authors:

Shang Ke Yuan*, Zi Qin Zhao

Keywords:

Aerodynamic Performance, Gurney Flap, Trailing Edge

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