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Investigasi Aerodinamis Airfoil Wortmann Fx63-137Untuk Turbin Angin HAWT Pada Berbagai Reynold NumberMenggunakan Autodesk CFD
the developments in research using computational development in a variety of turbulence analysis models that have developed now and have been applied to various CFD package programs, the boundary condition range of a simulation can be made according to the goals we want. Considering the flow in testing airfoil for the use of wind turbine blades at low Reynold’s numbers is so difficult to do using wind tunnel testing, then the Computational Fluid Dynamic (CFD) method can be done more flexibly in determining the boundary condition range. The purpose of this study was to determine the effect of Reynold’s number on the behavior of airfoil stall and aerodynamic parameters such as lift force, drag force, lift coefficient, drag coefficient, and L/D. This study used a simulation method with Autodesk CFD software to analyze airflow . From the results of research conducted with CFD simulations obtained stall behavior at each Reynold’s number was at the same angle of attack that was 24o. Then the value of the lift and drag force was influenced by the Reynold’s number where the greater the Reynold’s number, the lift force and drag force are greater. Reynold’s number does not greatly affect the increase in the value of the lift coefficient, drag coefficient, and L/
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