Effects of Wing-Cuff on NACA 23015 Aerodynamic Performances S.M.A Meftah, M. Belhenniche, O Madani Fouatih and B. Imine EPJ Web of Conferences, 67 (2014) 02074 Published online: 25 March 2014 DOI: 10.1051/epjconf/20146702074