Double-OWC Wave Power Extractor of a Taut Moored Floating Structure

by Yoshihiro Tanaka, Taisei Corp, Japan,
Yutaro Motora, Taisei Corp, Japan,
Keizo Furukawa, Taisei Corp, Japan,
Takaaki Nakamura, Taisei Corp, Japan,

Abstract: A double oscillating water column is proposed as a means to improve the efficiency of wave power conversion over a wide range of wave periods in deep water. A mathematical model of the system based on thermodynamic principles is developed to calculate the efficiency of power-conversion, the hydrodynamic fluid motion, and etc. The physical process by which the proposed concept can significantly improve the efficiency of wave power conversion is clarified through experiments and theoretical treatment.

Subject Headings: Hydro power | Water waves | Hydrologic models | Water resources | Oscillations | Water conservation | Columns | Mathematics

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