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A wind turbine blade profile analysis code based on the singularities method
Authors:Badreddine Kamoun  David Afungchui  Alain Chauvin  
Affiliation:a Faculté des Sciences de Sfax, Département de Physique, Laboratoire de Recherche de Physique Appliquée (L.R.P.A.), BP 802, 3018 Rte Soukra, Km 3,5, Sfax, Tunisia;b Institut Universitaire des Systèmes Thermiques Industriels (I.U.S.T.I.), Université de Provence, 5 rue Enrico Fermi, 13453, Marseille Cedex 13, France
Abstract:The aerodynamic characteristics of wind turbines are closely related to the geometry of their blade profiles. The innovation and the technological development of wind turbine blade profiles can be centred on two tendencies. The first is to improve the shape of the existing airfoils and the second is to design new shapes of airfoils in order to get some more ambitious aerodynamic characteristics and enhanced performance.The aim of this paper is to develop an accurate airfoil analysis lower order code, based on the singularities method, for wind turbine applications. The 2D incompressible potential flow model has been used. In the implementation of the singularities method, source–vortex distributions over the airfoil contour are used to compute the flow characteristics. The accuracy and the validity of the results have been tested using experimental data obtained from Wind Turbine Airfoil Catalogue “Risø National Laboratory, Roskilde, Denmark, August 2001” and have shown considerable agreement.
Keywords:Method of singularities or panel method  Incompressible potential flow  Aerodynamics  Lift  Drag  Pitching moment  Pressure distribution
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