Energy extraction of wave energy converters embedded in a very large modularized floating platform

被引：38
|
作者：
Zhang, Haicheng [1 ]
Xu, Daolin [1 ]
Zhao, Huai [1 ]
Xia, Shuyan [1 ]
Wu, Yousheng [2 ]
机构：
[1] Hunan Univ, State Key Lab Adv Design & Mfg Vehicle Body, Changsha 410082, Hunan, Peoples R China
[2] China Ship Sci Res Ctr, Wuxi 214082, Peoples R China
来源：
ENERGY | 2018年 / 158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：
Wave energy farm; Very large floating structure; WEC; PTO; HYDROELASTIC ANALYSIS; WIND ENERGY; BREAKWATER; POWER;
D O I：
10.1016/j.energy.2018.06.031
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
An embedded wave energy converter installed in a super-scale modularized floating platform is proposed for wave-induced kinetic energy extraction. The platform consists of multiple blocks where on-top huge modular decks are flexibly supported by floating semi-submergible modules via elastic cushions. For the connection between adjacent blocks, neighboring decks are joined by rigid hinges and neighboring floating modules are connected by two piston-type devices that are embedded wave energy converters (WEC), designed by the linear hydraulic power take-off (PTO) mechanism. Based on linear wave theory and rigid module flexible connector (RMFC), the dynamic model for the modularized floating platform is developed by using a network modeling method. In numerical case studies, the wave energy extraction of a five-block platform is investigated and the design region for the key parameters of the WEC is recommended. In addition the effects of the WECs on the dynamic responses and the connector loads of the modularized platform are studied. These results can improve the understanding on the performance of the specific platform. (C) 2018 Elsevier Ltd. All rights reserved.
引用
收藏
页码：317 / 329
页数：13
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