成果報告書詳細
管理番号20120000001241
タイトル*平成21年度分中間年報 開発項目「新エネルギー技術研究開発/新エネルギーベンチャー技術革新事業(風力発電その他未利用エネルギー)/波力による人工筋肉を用いた小型船舶用発電装置の技術開発」
公開日2012/12/26
報告書年度2009-2009
委託先名株式会社HYPERDRIVE
プロジェクト番号P10020
部署名技術開発推進部
和文要約和文要約等以下本編抜粋:1. 研究開発の内容及び成果等
[研究開発の目的]
本事業の目的は、人工筋肉と呼ばれる既存の発電技術とは異なる新素材を用いた小型船舶用発電装置を開発することである。
英文要約Title: New Energy Technology Research Development/ New Energy Venture Business Technology Innovation Program / Development of Wave Power Generation Device for a Small Ship Using Dielectric Elastomer Artificial Muscles (FY2009-FY2010) FY2009 Annual Report
There is an urgent need to save energy and reduce carbon dioxide emissions because of global warming and resource price rise. In recent years, the introduction and wide use of new energy sources have been promoted, and power generation systems utilizing ocean energy resources, such as wave motion, have also attracted attention. However, traditional wave power-generation systems need large and expensive facilities, and do not generate power from small-wave height, resulting in a hindrance to their implementation. Particularly in the fishing and marine products industries, energy and environment countermeasures have only just started, but there are various economic problems. To resolve these problems, it is necessary to develop innovative power generation systems, such as small-sized, inexpensive systems which enable the generation of power by small wave height, which cannot be realized by the traditional electromagnetic-induction method. In wave power generation systems utilizing the electromagnetic-induction effect, the generators must be rotated at high-speeds, using energy from air or hydraulic pressure transformed from the up-and-down movements of waves. Therefore, the structures of the systems are very complicated and they are expensive. In addition, the systems have difficulty generating power from small wave height, and thus have not been put into practical use. On the other hand, in systems using dielectric elastomer artificial muscles, electric power can be generated just by the deformation of the materials, and thus the structures are very simple. Further, power generation is possible even in sea areas with small waves. As the materials for composing the dielectric elastomer artificial muscles are commercially available, they can be inexpensively mass-produced. In addition, as dielectric elastomer artificial muscle power generation systems do not need the turbines, generators, and machinery, such as gears used in turbine generators, the initial investment for the wave power generator systems is drastically reduced. In this work, to make possible earth-friendly seagoing vessels by reducing the fuel consumption, carbon dioxide emission, and exhaust gas into the sea and air, we aim to develop an electric energy generation system which drive the ship by its rocking movements. In this work, we aim at verifying the feasibility of our approach by proving that electric energy can effectively be obtained from ship movements driven by sea waves. By carrying out forced oscillation tests of the dielectric elastomer artificial-muscle power-generation modules and by simulating the relationship between the artificial muscles and floating bodies with a numerical model, we have examined the optimal driving method and shape for the modules. Using a one-fifth scale model of the ship made, we have carried out power generation experiments in a water tank to obtain quantitative data concerned, and verified the power generation capability for a real ship.
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