OPTIMIZED END PLATES FOR VERTICAL AXIS WIND TURBINE
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United States of America
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Issued Date -
Feb 13, 2025
app pub date -
Aug 8, 2023
filing date -
Aug 8, 2023
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Abstract
The performance of airfoils on wind turbines has been found to be improved by the presence of endplates mounted to the airfoil. Using steady numerical simulations, the shape of the endplates that improves the lift coefficients and lift-to-drag coefficients to the greatest degree is a thin plate that follows the chord of the airfoil with a thickness that is between an eighth and a quarter of the length of the airfoil. Rounding the edges of the endplates further enhance the performance of the airfoil, and the overall effect of the endplates achieves nearly a 9.1% increase and 30% decrease in the lift and drag forces, respectively.
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