Numerical and Experimental Investigation of a Ducky Wave Energy Converter and Its Impact on Floating Ocean Wind Turbines

Tao, Tao; Dong, Yu; Guo, Xinran; Liu, Shi; Jiang, Yichen; Yuan, Zhiming

doi:10.3390/jmse13081527

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Numerical and Experimental Investigation of a Ducky Wave Energy Converter and Its Impact on Floating Ocean Wind Turbines

by

Tao Tao

^1,†

,

Yu Dong

^2,†

,

Xinran Guo

¹,

Shi Liu

^1,3,

Yichen Jiang

^2,4,* and

Zhiming Yuan

^5,*

¹

China Southern Power Grid Technology Co., Ltd., Guangzhou 510080, China

²

School of Naval Architecture and Ocean Engineering, Dalian University of Technology, Dalian 116024, China

³

National Institute of Guangdong Advanced Energy Storage Co., Ltd., Guangzhou 510410, China

⁴

Dalian Technical Shenzhen Research Institute, Shenzhen 518063, China

⁵

Department of Naval Architecture, Ocean and Marine Engineering, University of Strathclyde, Glasgow G4 0LZ, UK

^*

Authors to whom correspondence should be addressed.

^†

These authors contributed equally to this work.

J. Mar. Sci. Eng. 2025, 13(8), 1527; https://doi.org/10.3390/jmse13081527

Submission received: 24 June 2025 / Revised: 1 August 2025 / Accepted: 6 August 2025 / Published: 8 August 2025

(This article belongs to the Section Marine Energy)

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Abstract

The ocean represents a vast reservoir of energy. To address the issue of wave-induced motion in floating wind farms—particularly pitch motion—while harnessing the otherwise dissipated wave energy for power generation, this study proposes an integrated solution. Specifically, a duck-shaped wave energy converter incorporating mooring and power take-off systems is introduced. By combining computational fluid dynamics with experimental fluid dynamics methodologies, the performance of the device was systematically evaluated and its key parameters—including floating attitude, power take-off damping, and mooring configuration—were optimized. Furthermore, results indicate that deploying the duck-shaped converter around the periphery of a wind farm can reduce the wave-induced motion amplitude of the floating wind turbine platform by more than 70%, especially in terms of pitch motion, thereby significantly improving the operational efficiency and structural stability of the wind turbines.

Keywords: wave energy converter; PTO system; RAOs; generation power; efficiency

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MDPI and ACS Style

Tao, T.; Dong, Y.; Guo, X.; Liu, S.; Jiang, Y.; Yuan, Z. Numerical and Experimental Investigation of a Ducky Wave Energy Converter and Its Impact on Floating Ocean Wind Turbines. J. Mar. Sci. Eng. 2025, 13, 1527. https://doi.org/10.3390/jmse13081527

AMA Style

Tao T, Dong Y, Guo X, Liu S, Jiang Y, Yuan Z. Numerical and Experimental Investigation of a Ducky Wave Energy Converter and Its Impact on Floating Ocean Wind Turbines. Journal of Marine Science and Engineering. 2025; 13(8):1527. https://doi.org/10.3390/jmse13081527

Chicago/Turabian Style

Tao, Tao, Yu Dong, Xinran Guo, Shi Liu, Yichen Jiang, and Zhiming Yuan. 2025. "Numerical and Experimental Investigation of a Ducky Wave Energy Converter and Its Impact on Floating Ocean Wind Turbines" Journal of Marine Science and Engineering 13, no. 8: 1527. https://doi.org/10.3390/jmse13081527

APA Style

Tao, T., Dong, Y., Guo, X., Liu, S., Jiang, Y., & Yuan, Z. (2025). Numerical and Experimental Investigation of a Ducky Wave Energy Converter and Its Impact on Floating Ocean Wind Turbines. Journal of Marine Science and Engineering, 13(8), 1527. https://doi.org/10.3390/jmse13081527

Note that from the first issue of 2016, this journal uses article numbers instead of page numbers. See further details here.

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Numerical and Experimental Investigation of a Ducky Wave Energy Converter and Its Impact on Floating Ocean Wind Turbines

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