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科技导报  2014 

双浮体波能装置的水动力计算与能量转换特性分析

DOI: 10.3981/j.issn.1000-7857.2014.19.003, PP. 26-30

Keywords: 双浮体,波浪能装置,点吸式,能量转换效率

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Abstract:

波浪能是一种可再生清洁能源,波浪能发电是开发和利用波浪能的主要形式。双浮体波浪能发电装置是一种结构简单、建造和安装成本较低的波浪能装置。为提高该类装置的可靠性和能量转换效率,本文针对其水动力性能和能量转换特性进行研究。基于线性波浪理论,建立装置的运动学方程,确定装置不同结构体的运动响应函数以及能量输出函数,并采用频域水动力数值方法,计算装置不同结构体的水动力系数,获得不同条件下位移幅值和输出功率随波浪频率的变化曲线。经过计算与分析,获得波浪作用下装置的运动规律和能量输出受波浪频率、PTO系统阻尼系数以及装置的结构和材料等因素的影响规律。

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