A Floating Platform with Embedded Wave Energy Harvesting Arrays in Regular and Irregular Seas

Hai-Cheng Zhang, Dao-Lin Xu, Chun-Rong Liu and You-Sheng Wu
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Hai-Cheng Zhang: State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, Hunan University, Changsha 410082, China
Dao-Lin Xu: State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, Hunan University, Changsha 410082, China
Chun-Rong Liu: School of Civil Engineering & Architecture, Xiamen University of Technology, Xiamen 316005, China
You-Sheng Wu: China Ship Scientific Research Center, Wuxi 214082, China

Energies, 2017, vol. 10, issue 9, 1-17

Abstract: This paper presents a study on a cost-effective engineering model that integrates an array of floating wave energy converters with a vast platform, a viable option for multi-functional performance in renewable energy capture and ocean space utilization. The wave energy converters are floating buoyance columns flexibly connected with the elastic platform. Hydrodynamic interactions among the columns are analyzed using an exact matrix transform method based on linear wave theory in the frequency domain. A parametric governing equation of compounded wave energy converter referred to as a wave farm is formulated by using Hamilton’s principle which can be discretized using the Galerkin method. The effects of wave conditions and the parameters of hydraulic power take-off (PTO) on the wave energy absorption and dynamic characteristics of the energy harvesting system are investigated. Furthermore, the wave energy capture on irregular waves is also discussed. This research work aims at providing a theoretical guidance for wave energy harvesting system design.

Keywords: wave energy; PTO; floating platform; wave farm; irregular waves (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2017
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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