开式沉箱利用波浪能的波浪放大实验研究

Fu-Hsuan Hsu, Jiahn-Horng Chen, J. Tsai
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引用次数: 0

摘要

一种结合开放式沉箱和波浪能转换器(WEC)的波浪能提取新概念正在开发中。沉箱内的港湾共振为在中波能密度区域运行的WEC提供了一种放大波能的可能途径。本文对开孔圆柱沉箱的放大效应进行了实验研究。研究参数包括波浪入射角、波浪周期和沉箱开孔角。本研究设计了两种不同的沉箱。一种是在沉箱开口的两侧安装一对波导。形状是圆柱的一部分。另一个是没有导向器的。实验结果表明,沉箱内的波动可以被明显放大。放大系数,定义为沉箱内波高与入射波高之比,在某些特定的波周期内可以达到2。波导的影响也很重要。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
An Experimental Study of Wave Amplification Inside an Open Caisson for Harnessing Wave Energy
A new concept of wave energy extraction which combines an open caisson and a wave energy converter (WEC) is under development. Harbor resonance inside the caisson provides a possible way to amplify wave energy for WEC’s operating in regions of medium wave energy density. In the present paper, we conducted an experimental study on the amplification effect for a cylindrical caisson with an opening. The parameters in the study include the wave incident angle, wave period, and caisson opening angle. Two different caissons were designed for the present study. One is with a pair of wave guides mounted on both edges of caisson opening. The shape is a part of circular cylinder. The other one is without the guides. The experimental results show that the wave inside the caisson can be significantly amplified. The amplification factor, defined as the ratio of wave height inside the caisson to that of the incident wave, can reach up to 2 for some particular wave periods. The effect of the wave guide is also significant.
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