Semi-analytical study on the hydrodynamic performance of an interconnected floating breakwater-WEC system in presence of the seawall

被引：33
|
作者：
Zhao, Xuanlie [1 ]
Du, Xin [1 ]
Li, Mingwei [1 ]
Goteman, Malin [2 ]
机构：
[1] Harbin Engn Univ, Coll Shipbldg Engn, Harbin 150001, Peoples R China
[2] Uppsala Univ, Dept Engn Sci, S-75121 Uppsala, Sweden
来源：
APPLIED OCEAN RESEARCH | 2021年 / 109卷
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
Analytical investigation; Coastal reflection; Wave energy converter; Floating breakwater; Interconnected floats; VERTICAL WALL; FRONT; CYLINDERS;
D O I：
10.1016/j.apor.2021.102555
中图分类号：
P75 [海洋工程];
学科分类号：
0814 ; 081505 ; 0824 ; 082401 ;
摘要：
Based on linear potential flow theory, a semi-analytical model is developed using the matching eigenfunction method for a dual pontoon system in the presence of partially reflective seawall. To study the motion characteristics of an interconnected floating breakwater-wave energy converter system, the equations of motion in the frequency-domain are studied using the Lagrange-multiplier method. The model is verified using wave flux conservation law. A thorough investigation of the hydrodynamic performance of the integrated system is conducted, and the optimal power take-off damping of the system is derived theoretically. The results show that the proposed system exhibits a qualified wave power extraction performance and wave attenuation performance, and the presence of the seawall affects the performance of the integrated system significantly.
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收藏
页数：18
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