Progress of Floating Type Wave Power Generatorby Yoshio Masuda, Ryokuseisha Corp, Japan,
Document Type: Proceeding Paper
Part of: Ocean Energy Recovery
Abstract: A floating type wave power generator was improved. It is a Backward Bent Duct Buoy (BBDB) which has an air chamber duct which is bent backwards. It is capable of increasing the peak conversion efficiency from wave to air output, and decreasing the mooring force created by the currents and waves. Adding an underwater bucket to the stern of the BBDB improved the bandwidth of the conversion efficiency. These improvements were obtained through water tank tests and sea tests. In addition a double rotor Wells turbine and Heller generator improved wave power usage. As a result of these improvements, power costs for floating type wave power generators decreased to an economically feasible level. These buoys are useful not only for supplying the buoy's power but also for supplying island and land power.
Subject Headings: Hydro power | Wave generation | Power supply | Water waves | Duct | Bents (structural) | Water tanks
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