Effect of Attack angle on Aerodynamics Analysis of Different Wind Turbine Wings using Numerical Simulation
In this research, the performance of two airfoils are compared by using Numerical analysis. There are so many dedicated airfoils to be used in various kinds of wind turbine blades. The lift coefficient and drag coefficient are the key parameters to determine the airfoil performance. The right choice of airfoil gives good performance in wind turbine blade design based on the available wind velocity, Reynold number, blade material. The author wants to compare the performance of 3D model two airfoils (SG 6043 and NACA 4412) for low Reynold number; less than 500,000 . The numerical simulation is carried out by using Ansys-Fluent software. The lift and drag coefficients are compared based on different angle of attack 0º, 5º, 10º at wind velocity 10m/s, rated wind velocity for intended regions. The design chord length is 0.5m and width of the wing is 0.25m. The numerical results are compared with the results of Profili 2.0c software. By doing this simulation, understand their flow nature and the performance of two airfoil profiles is compared. Therefore, the suitable airfoil will be used in local horizontal axis wind turbine industries.
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