波力発電用二重反転衝動タービンの実験的研究

抄録

In an oscillating water column (OWC) based wave energy device which is one of the wave energy utilization techniques, the water column in the air chamber is oscillated by wave motion at first, and it generates bi-directional airflow. Then, the bi-directional airflow drives an air turbine, and the turbine converts the pneumatic energy into the mechanical energy. The air turbine requires a special geometry so that it can always rotates in the same direction in the bi-directional airflow. A counter-rotating impulse turbine for wave energy conversion was proposed by M. E. McCormick in 1978. However, the detailed performance of this turbine obtained in experiments has not been clarified to data. In this study, the performance of this turbine is investigated experimentally by using a wind tunnel with a radial fan.