Abstract: This paper reports an investigation of the use of off-axis carbon fibers in the all-carbon spar cap of a 37-m wind turbine rotor blade to induce twist-flap coupling. Many studies have been ...

Abstract: This paper presents the design and analysis for a spar cap for a wind turbine rotor blade. The cap is formed of an integral, unitary 3D woven material (3WEAVE®) having constant thickness; ...