Wave power extraction by an axisymmetric oscillating-water-column converter supported by a coaxial tube-sector-shaped structure

被引：43
|
作者：
Deng, Zhengzhi [1 ]
Huang, Zhenhua [1 ]
Law, Adrian W. K. [1 ]
机构：
[1] Nanyang Technol Univ, Sch Civil & Environm Engn, Singapore 639798, Singapore
来源：
APPLIED OCEAN RESEARCH | 2013年 / 42卷
关键词：
Marine energy; Wave energy conversion; Sustainable energy; Coastal structure; Wave structure interaction; SURFACE-PRESSURE; DEVICES;
D O I：
10.1016/j.apor.2013.05.006
中图分类号：
P75 [海洋工程];
学科分类号：
0814 ; 081505 ; 0824 ; 082401 ;
摘要：
An analytical theory is developed to study the effects of a coaxial tube-sector-shaped supporting structure on the conversion efficiency of a suspended, circular OWC converter. An eigen-function expansion method is employed in a cylindrical coordinate system to study wave interaction with an OWC converter in finite depth of water. Effects of the supporting structure, OWC dimensions, wave direction on energy conversion efficiency, and optimization of power-takeoff devices are discussed. Our results show that the coaxial tube-sector-shaped support with an opening in the range of pi/2-5 pi/4 can significantly increase the conversion efficiency and widen the frequency range over which the conversion efficiency is high. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：114 / 123
页数：10
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