Attenuator型OWC波浪発電装置に関する研究

概要

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It can be said that the mechanism and the characteristic of wave energy absorption etc. of attenuator type devices have not yet been clarified experimentally and theoretically. Therefore in this paper, the authors deal with an attenuator type device which consists of five air chambers with and without a bottom plate. The authors carried out the experiments of a motion test in transient waves, a wave excitation test in transient waves and a transient forced oscillation test in which the load damping force is varied systematically by making use of the authors' experience of terminator type devices. The authors obtain the corresponding reliable experimental data of responses such as characteristics of wave energy absorption which will be used to develop the practical prediction method of characteristics of this kind of primary energy converters. Next, with regard to the numerical simulation, the authors compare the numerical results by the strip method, in which the equivalent floating body approximation is used considering the load damping of each air chambers, with the corresponding experimental results and they show the applicability of the strip method to the problem of this kind of wave energy absorption devices and its limitation.
社団法人日本船舶海洋工学会の論文