Abstract
In this paper, the performance of micro wind turbine (MWT) is evaluated by taking into account low average wind speed cities in the West Cameroon region such as Bandjoun and Bangangte. The k-ϵ turbulence flow model was used to simulate the flow around wind turbine blades by considering five airfoils profiles (A18, BW3, 3R F1B, FX60-100 and K3311) with high performance at low wind speeds for different wind angles of attack (0°, 10°, 20° and 30°). Two-dimensional numerical simulations with COMSOL Multiphysics CFD module were performed and velocity surface and pressure contours were presented. In order to evaluate the forces exerted by the wind onto the airfoils, lift and pressure coefficients, and drag force were also computed to quantify their efficiency and aerodynamic performance. It has been concluded that 3R F1B airfoil has the best performance and is more efficient for the design of MWT blades in these regions.
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