Study on Pneumatic Wave Power Conversion System with the Water Valve Rectifierby Kuniya Watanabe, Tohoku Electric Power Co Inc, Japan,
Hiroyuki Nakagawa, Tohoku Electric Power Co Inc, Japan,
Seigo Kikuchi, Tohoku Electric Power Co Inc, Japan,
Abstract: We experimentally and theoretically studied the energy conversion characteristics on a new type of wave power conversion system with water valves. The hydraulic model experiment was performed in regular waves using a nozzle as a dummy load with some parameters of submerged depth of the water valve, nozzle ratio, height of incident wave and wave period. It was proved from the experimental results that the efficiency of the water valve is equal to or higher than that of such a mechanical valve as conventional flap valves, that the influences of wave period and load change to the new system is less than to the conventional oscillating water column type wave power converter. In addition, it was confirmed that the water valve was effective as a safety system.
Subject Headings: Hydro power | Valves | Hydraulic models | Water conservation | Water waves | Hydrologic models | Pneumatic systems | Water resources
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