Design and Research of Dual-Mode Power Generation Device Based on Improved Oscillating Buoy

Fanglin Chen, Xiaori Wang, Qiufen Li (), Deyv Chen, Zhiquan Gao, Jiachan Lai and Kaiwu Cai ()
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Fanglin Chen: School of Advanced Manufacturing, Guangdong University of Technology, Jieyang 515231, China
Xiaori Wang: School of Advanced Manufacturing, Guangdong University of Technology, Jieyang 515231, China
Qiufen Li: School of Advanced Manufacturing, Guangdong University of Technology, Jieyang 515231, China
Deyv Chen: School of Advanced Manufacturing, Guangdong University of Technology, Jieyang 515231, China
Zhiquan Gao: School of Advanced Manufacturing, Guangdong University of Technology, Jieyang 515231, China
Jiachan Lai: School of Advanced Manufacturing, Guangdong University of Technology, Jieyang 515231, China
Kaiwu Cai: School of Advanced Manufacturing, Guangdong University of Technology, Jieyang 515231, China

Energies, 2024, vol. 17, issue 22, 1-21

Abstract: In response to the national “dual-carbon” strategic goals, a dual-mode ocean energy generation device was researched. First, improvements were made to the power generation system and mechanical structure of an oscillating buoy with a radius of 2.5 m, designing a power generation device that utilizes both wave energy and tidal energy. Subsequently, wave generation was carried out using the Realizable k-ε turbulence model, and the buoy’s strength was analyzed using the Ansys Fluent simulation platform with finite element analysis, with simulation results indicating a rational design. Then, the Froude–Krylov hypothesis method and the oscillating buoy body decomposition method were used to calculate the combined force in the vertical direction of the buoy, and combined with other forces, the maximum wave force on the buoy was determined. It was verified that the buoyancy of the buoy met the requirements of the hydraulic system. Finally, the hydraulic power generation system model was simulated and analyzed using AMEsim, yielding a power generation of 55.2284 kW. Using a formula, the maximum power generation of a single buoy was calculated to be approximately 15.5 kW, and the ideal maximum power generation of the entire device was able to reach 101.7284 kW.

Keywords: wave energy; ocean current energy; power generation equipment; oscillating float; hydraulic system (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: 2024
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