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Open AccessArticle
Conceptual Design and Dynamic Analysis of a Wind–Wave Energy Converter with a Mass-Adjustable Buoy
by
Yifeng Shi
Yifeng Shi 1,2,
Jiahuan Lin
Jiahuan Lin 1,2,
Zexin Zhuge
Zexin Zhuge 1,2,
Rongye Zheng
Rongye Zheng 1,2,* and
Jun Zhang
Jun Zhang
Prof. Dr. Jun Zhang is currently working at the Fuzhou Institute of Oceanography. He is a at the a [...]
Prof. Dr. Jun Zhang is currently working at the Fuzhou Institute of Oceanography. He is a professor at the School of Mechanical Engineering and Automation at Fuzhou University. From 1998 to 2007, he studied at Tianjin University. He obtained a bachelor's degree in mechanical and electronic engineering, a bachelor's degree in science and technology in English, and master's and doctoral degrees in mechanical design and theory. From 2005 to 2010, he was an assistant and lecturer at the School of Mechanical Engineering at Tianjin University. From 2010 to 2016, he worked at Anhui University of Technology, where he served as an associate professor, professor, and department head of the School of Mechanical Engineering. From 2012 to 2013 and from 2019 to 2020, he was a visiting scholar at King's College London (KCL) and University College London (UCL), respectively. From 2016 to the present, he has been a "Minjiang Scholar" Distinguished Professor at Fuzhou University. His research interests include mechanical transmission, mechanical system dynamics, and robotics.
1,2,*
1
Fuzhou Institute of Oceanography, Fuzhou 350108, China
2
School of Mechanical Engineering and Automation, Fuzhou University, Fuzhou 350108, China
*
Authors to whom correspondence should be addressed.
J. Mar. Sci. Eng. 2024, 12(8), 1460; https://doi.org/10.3390/jmse12081460 (registering DOI)
Submission received: 30 July 2024
/
Revised: 20 August 2024
/
Accepted: 21 August 2024
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Published: 22 August 2024
Abstract
To reduce the levelized cost of energy (LCOE) for offshore wind turbines, a novel wind–wave energy converter (WWEC) with a mass-adjustable buoy is designed. To analyze the impact of buoy mass variations on the system, a coupled comprehensive numerical model is established to simulate the aerodynamics of the turbine and the hydrodynamics of the platform and buoy. It is found that the occurrence of the buoy out of water significantly reduces the output power. Adjusting the buoy’s mass with suitable strategy can prevent the impact of slamming loads and improve the power output. The mass adjustment strategy is determined based on the output power of the wave energy converter under regular wave conditions. It is found that the mass adjustment strategy can significantly enhance the output power of combined system. The buoy does not move out of the water under the extreme conditions, which avoids the impact of slamming loads on system stability. Moreover, mass-adjustable buoys can reduce the risk of mooring line failure compare to a wind turbine without a buoy.
Share and Cite
MDPI and ACS Style
Shi, Y.; Lin, J.; Zhuge, Z.; Zheng, R.; Zhang, J.
Conceptual Design and Dynamic Analysis of a Wind–Wave Energy Converter with a Mass-Adjustable Buoy. J. Mar. Sci. Eng. 2024, 12, 1460.
https://doi.org/10.3390/jmse12081460
AMA Style
Shi Y, Lin J, Zhuge Z, Zheng R, Zhang J.
Conceptual Design and Dynamic Analysis of a Wind–Wave Energy Converter with a Mass-Adjustable Buoy. Journal of Marine Science and Engineering. 2024; 12(8):1460.
https://doi.org/10.3390/jmse12081460
Chicago/Turabian Style
Shi, Yifeng, Jiahuan Lin, Zexin Zhuge, Rongye Zheng, and Jun Zhang.
2024. "Conceptual Design and Dynamic Analysis of a Wind–Wave Energy Converter with a Mass-Adjustable Buoy" Journal of Marine Science and Engineering 12, no. 8: 1460.
https://doi.org/10.3390/jmse12081460
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