Study on enhancement of self-exciting force acting on submerged pendulum based tidal energy converter

2015 Fiscal Year Final Research Report

• Project/Area Number: 25420484
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Structural engineering/Earthquake engineering/Maintenance management engineering
• Research Institution: Okayama University
• Principal Investigator: Hiejima Shinji 岡山大学, 大学院環境生命科学研究科, 准教授 (50284526)
• Co-Investigator(Renkei-kenkyūsha): OKUBO Kenji 岡山大学, 大学院環境生命科学研究科, 教授 (50135612)
• Project Period (FY): 2013-04-01 – 2016-03-31
• Keywords: 潮流発電 / 海流発電 / 小水力発電 / 振り子 / 流体励起振動 / ギャロッピング / 海洋エネルギー / 再生可能エネルギー

Outline of Final Research Achievements

Hydro-VENUS is the flow-induced oscillation based tidal energy converter using a physical pendulum. This study aims to improve the energy harvesting performance of Hydro-VENUS by increasing self-exciting force acting on the pendulum. As a result of improving the pendulum cross-section shape, it is found that the cross-section shapes which induce galloping oscillation are effective in causing strong oscillation and increasing the self-exciting force. Multiple pendulums arranged closely in parallel rows can improve the energy harvesting performance of Hydro-VENUS efficiently.

Free Research Field

耐風工学