つば付きディフューザ風車を用いたマルチロータ型風車システムの発電出力・抗力特性

抄録

Brimmed-diffuser augmented wind turbines can significantly increase the power of the rotor. Multi-rotor systems (MRSs) have a lot of merits such as significant saving mass and overall cost of the wind turbine system. A MRS is defined as a wind turbine consists of more than one rotor in a single structure. In this research, a MRS consists of brimmed-diffuser augmented wind turbines are studied. In wind tunnel experiments, the power output and aerodynamics of two and three brimmed-diffuser augmented wind turbines placed in vicinity have been investigated as the MRS. Results show a significant increase of up to 12% in total power output of the MRS with brimmed-diffuser augmented wind turbines compared to the sum of the stand-alone same turbines. The increase is due to the accelerated gap flows and low pressure areas around the gaps.