首页|Extreme Responses of An Integrated System with A Semi-Submersible Wind Turbine and Four Torus-Shaped Wave Energy Converters in Different Survival Modes

Extreme Responses of An Integrated System with A Semi-Submersible Wind Turbine and Four Torus-Shaped Wave Energy Converters in Different Survival Modes

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Offshore wind power is a kind of important clean renewable energy and has attracted increasing attention due to the rapid consumption of non-renewable energy. To reduce the high cost of energy,a possible try is to utilize the combination of wind and wave energy considering their natural correlation. A combined concept consisting of a semi-submersible wind turbine and four torus-shaped wave energy converters was proposed and numerically studied under normal operating conditions. However,the dynamic behavior of the integrated system under extreme sea conditions has not been studied yet. In the present work,extreme responses of the integrated system under two different survival modes are evaluated. Fully coupled time-domain simulations with consideration of interactions between the semi-submersible wind turbine and the torus-shaped wave energy converters are performed to investigate dynamic responses of the integrated system,including mooring tensions,tower bending moments,end stop forces,and contact forces at the Column-Torus interface. It is found that the addition of four tori will reduce the mean motions of the yaw,pitch and surge. When the tori are locked at the still water line,the whole integrated system is more suitable for the survival modes.

combined wind and wave energy conceptwave energy convertersurvival modeextreme response

WANG Kai、LI Yu-meng、ONG Muk Chen、WAN Ling、LI Liang-bi、CHENG Zheng-shun

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School of Ocean Engineering and Technology,Sun Yat-sen University,& Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai),Zhuhai 519082,China

School of Naval Architecture and Ocean Engineering,Jiangsu University of Science and Technology,Zhenjiang 212100,China

Department of Mechanical and Structural Engineering and Materials Science,University of Stavanger,Stavanger 4036,Norway

Faculty of Maritime and Transportation,Ningbo University,Ningbo 315211,China

State Key Laboratory of Ocean Engineering,Shanghai Jiao Tong University,Shanghai 200240,China

SJTU Yazhou Bay Institute of Deepsea Science and Technology,Sanya 572024,China

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2024

10.1007/s13344-024-0067-1

中国海洋工程(英文版)
中国海洋学会

中国海洋工程(英文版)

CSTPCDEI
影响因子：0.338
ISSN：0890-5487
年,卷(期)：2024.38(5)