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    Unsteady flow over offshore wind turbine airfoils and aerodynamic loads with computational fluid dynamic simulations

    , Article International Journal of Environmental Science and Technology ; Volume 13, Issue 6 , 2016 , Pages 1525-1540 ; 17351472 (ISSN) Abbaspour, M ; Radmanesh, A. R ; Soltani, M. R ; Sharif University of Technology
    Center for Environmental and Energy Research and Studies 
    Abstract
    The first notable megawatt class wind turbine, which was the pioneer of improvement in the blade performance in large wind turbines, appeared in Vermont. Nowadays, modern wind turbines are using blades with multi-airfoils at different sections. In this study, in order to indicate the best airfoil profile for the optimum performance in different sections of a blade, five popular airfoils, including S8xx, FFA and AH series, were studied. On the large-scale profile, shear stress transport K–ω model was applied for the simulation of horizontal axis wind turbines for different wind speeds. The aerodynamic simulation was accomplished using computational fluid dynamic method, which in turn is based...