Study on Elastic Response of Double-Rotor VAWTs

This study investigates the elastic response characteristics of a floating wind turbine (FOWT) with two vertical-axis turbines (VAWTs), called double-rotor VAWTs. The model consists VAWTs mounted on single semi-submersible structure and employs point mooring, which allows FOWT to always self-align wind. Usually, coupled analysis is used in design FOWTs; however, there no available for In this study, we attempted combine software “QBlade” turbine/floating body code “UTWind” as one methods VAWT body. Numerical simulation results were compared experimental using an scaled down 1/100 its actual determine motion cross-sectional bending moments. showed that thrust had particular influence forces between For forces, all similar trends. Overall, UTWind are reasonable. It was also found pitch must be accurately reproduced improve accuracy.