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http://dx.doi.org/10.5855/ENERGY.2020.29.1.034

Self-Starting Characteristics of Blades for Vertical Axis Wind turbine  

Kim, Sung-Hoon (DaeguTech)
Kim, Young-Ik (Keimyung University)
Lee, Joon-Min (Amsystem)
Publication Information
Abstract
A study has been done for self-starting torque of vertical axis wind turbine blade. It is especially concentrated to evaluate the torque coefficient before starting rotation. Two different aerofoils(AMI903 and AMI904) are proposed to benchmark the possible best blade(supercritical airfoil) for self-starting performance. Torque coefficients in the tangential direction of rotation are given with respect to the angle of attack in terms of drag coefficient and lift coefficient. Torque coefficient shows that the effect of Reynolds number is minimal. The thicker blade(AMI904) between two different proposed airfoils has bigger torque coefficient, which is attributed to lower lift coefficient and higher drag coefficient.
Keywords
self-starting torque; AMI blade; lift and drag coefficient; torque coefficient;
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