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웨이브 글라이더 메커니즘을 이용한이동형 파력발전 시스템의 성능 테스트와 최적 설계에 관한 연구

Study on Mobile Wave Energy Harvesting System Utilizing Wave Glider Mechanism

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주제분류해양공학

초록

This paper reports a novel mobile-type wave energy harvesting system. The proposed system adopts a wave glider’s propulsion mechanism. A wave glider’s blades were mounted on a circular layout and generated a rotational motion. Combining the wave converting system with the wave glider, a mobile floating-type robotic buoy system was developed. It enabled the relocation of the buoy position, as well as station-keeping for long term operation. It had a small size and could efficiently harvest wave energy. A feasibility study and modeling were carried out, and a prototype system was constructed. Various tank tests were performed to optimize the proposed wave energy harvesting system.

Abstract

This paper reports a novel mobile-type wave energy harvesting system. The proposed system adopts a wave glider’s propulsion mechanism. A wave glider’s blades were mounted on a circular layout and generated a rotational motion. Combining the wave converting system with the wave glider, a mobile floating-type robotic buoy system was developed. It enabled the relocation of the buoy position, as well as station-keeping for long term operation. It had a small size and could efficiently harvest wave energy. A feasibility study and modeling were carried out, and a prototype system was constructed. Various tank tests were performed to optimize the proposed wave energy harvesting system.

참고문헌 (11)

  1. Bingham, B., "Passive and Active Acoustics using an Autonomous Wave Glider", Journal of Field Robotics, 29(6), pp.911~923 (2012)[DOI]
  2. Daniel, T., "The Wave Glider:Enabling a New Approach to Persistent Ocean Observation and Research", Ocean Dynamics, 61(10), pp.1509~1520 (2011)[DOI]
  3. Dean, R.G., "Water Wave Mechanics for Engineers and Scientists (Vol. 2)" (1991), World Scientific Publishing Company
  4. Falnes, J., "A Review of Wave-Energy Extraction", Marine Structures, 20(4), pp.185~201 (2007)[DOI]
  5. Hine, R., "The Wave Glider: A Wave-powered Autonomous Marine Vehicle", OCEANS 2009, MTS, 2009, 1~6
  6. Joe, H., "Development of Energy-harvesting Unit and Propulsion Unit for a Robotic Buoy System", OCEANS'15 MTS, 2015, 1~6
  7. Joe, H., "Development of a Flap-type Mooring-less Wave Energy Harvesting System for Sensor Buoy", Energy, 133, pp.851~863 (2017)[DOI]
  8. McCormick, M.E., "Ocean Engineering Wave Mechanics" (1973), John Wiley & Sons
  9. Roh, H., "Hydrodynamic Modeling and Optimization of Mobile Wave Energy Harvesting System for the Robotic Buoy", OCEANS 2016 MTS, 2016, 1~4
  10. Smil, V., "Energy in Nature and Society: General Energetics of Complex Systems" (2008), MIT Press
  11. Willcox, S., "The Wave Glider, an Energy Harvesting Autonomous Surface Vessel", Sea Technology, 49, pp.29~31 (2009)

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