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A Novel Type of Wave Energy Converter with Five Degrees of Freedom and Preliminary Investigations on Power-Generating Capacity

文献类型：期刊论文

作者Zeng, Xiaohui3,4,5; Wang, Qi4,5; Kang, Yuanshun4,5; Yu, Fajun1,2; Ceng XH(曾晓辉); Yu FJ(于法军); Kang YS(康元顺); Zeng XH(曾晓辉); Yu FJ(于法军); Kang YS(康元顺)
刊名ENERGIES
出版日期2022-05-01
卷号15期号:9页码:20
关键词wave energy converter five degrees of freedom array semi-analytical method
DOI10.3390/en15093069
通讯作者Yu, Fajun(yufajun@hrbeu.edu.cn)
英文摘要In order to further improve the power-generating capacity of the wave energy converter (WEC) of oscillating buoy type, this paper puts forward a novel type where the WEC can move and extract power in five degrees of freedom. We make a detailed hydrodynamic analysis of such WECs. Each buoy is modeled as a floating truncated cylinder with five degrees of freedom: surge, sway, heave, roll, and pitch, and there are relative motions among buoys in the array. Linear power take-off (PTO) characteristics are considered for simplicity. Under the linear wave theory, a semi-analytical method based on the eigenfunction expansion and Graf's addition theorem for Bessel functions is proposed to analyze the hydrodynamic interactions among the WEC array under the action of incident waves, and the amplitude response and power extraction of the WEC array are then solved. After verifying the accuracy of hydrodynamic analysis and calculation, we make preliminary case studies, successively investigating the power-generating capacity of a single WEC, an array of two WECs, and an array of five WEC; then, we compare their results with the conventional heaving WECs. The results show that the WEC with five degrees of freedom can significantly improve the power extraction performance.
WOS关键词HYDRODYNAMIC INTERACTIONS ; WATER-WAVES ; ARRAYS ; OPTIMIZATION ; PERFORMANCE ; LAYOUT ; ABSORPTION ; SCATTERING ; BODIES ; IMPACT
资助项目National Natural Science Foundation of China[11672306] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB22020101] ; State Key Laboratory of coastal and offshore engineering, Dalian University of Technology[LP21V1]
WOS研究方向Energy & Fuels
语种英语
WOS记录号WOS:000794786400001
资助机构National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; State Key Laboratory of coastal and offshore engineering, Dalian University of Technology
源URL[http://dspace.imech.ac.cn/handle/311007/89414]  
专题力学研究所_流固耦合系统力学重点实验室(2012-)
通讯作者Yu, Fajun
作者单位1.Harbin Engn Univ, Coll Shipbldg Engn, Harbin 150001, Peoples R China
2.Harbin Engn Univ, Qingdao Innovat & Dev Base, Qingdao 266000, Peoples R China
3.Dalian Univ Technol, State Key Lab Coastal & Offshore Engn, Dalian 116024, Peoples R China
4.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China
5.Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China
推荐引用方式
GB/T 7714		 Zeng, Xiaohui,Wang, Qi,Kang, Yuanshun,et al. A Novel Type of Wave Energy Converter with Five Degrees of Freedom and Preliminary Investigations on Power-Generating Capacity[J]. ENERGIES,2022,15(9):20.
APA Zeng, Xiaohui.,Wang, Qi.,Kang, Yuanshun.,Yu, Fajun.,曾晓辉.,...&Kang YS.(2022).A Novel Type of Wave Energy Converter with Five Degrees of Freedom and Preliminary Investigations on Power-Generating Capacity.ENERGIES,15(9),20.
MLA Zeng, Xiaohui,et al."A Novel Type of Wave Energy Converter with Five Degrees of Freedom and Preliminary Investigations on Power-Generating Capacity".ENERGIES 15.9(2022):20.

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来源：力学研究所

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