波力発電用衝動タービンの実海域試験

概要

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A sea trial of wave power plant using an impulse turbine for bi-directional airflow has been carried out at Niigata-nishi Port, in order to demonstrate usefulness of the turbine. The wave power plant using OWC has been installed at the side of a breakwater and has an air chamber with a sectional area of 4m2(=2m x 2m). The impulse turbine used in the sea trial has fixed guide vanes both upstream and downstream, and these geometries are symmetrical with respect to the rotor centerline in order to rotate in a single direction in bi-directional airflow generated by OWC. As a result, it was concluded that total conversion efficiency of the plant using the impulse turbine is superior to Wells turbine which is the mainstream of turbine for wave energy conversion. Further, the performance of wave power plant was predicted by numerical analysis and it was compared to the experimental data.
ターボ機械協会の論文
2008-12-10