Fig. 3From: Mathematical modeling of the aerodynamic coefficients of a sail bladeLaboratory layout and scheme of the sail blade: (a) layout of the sail blade; (b) the location of the blades. 1: wind turbine blade, 2, 3, 4: frame, 5: adjustable flexible fastening of the movable end of the blade, made of solid thread, 6: wind directionBack to article page