Influence of Installation Position of Ocean Kinetic Energy Converter on the Power Generating Performance in Underwater Detection Vehicles

doi:10.7652/xjtuxb201601017

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Influence of Installation Position of Ocean Kinetic Energy Converter on the Power Generating Performance in Underwater Detection Vehicles

更新时间：2025-07-09

- Influence of Installation Position of Ocean Kinetic Energy Converter on the Power Generating Performance in Underwater Detection Vehicles
- Vol. 50, Issue 1, Pages: 108-114(2016)
- 作者机构：
  
  1. 西北工业大学航海学院,西安,710072
  2. 西北工业大学水下航行器研究所,西安,710072
- 作者简介：
- 基金信息：
- DOI：10.7652/xjtuxb201601017
  CLC： TJ61;TK71
- Online First：10 January 2016，
  
  Published：2016
- 稿件说明：
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Influence of Installation Position of Ocean Kinetic Energy Converter on the Power Generating Performance in Underwater Detection Vehicles[J]. 2016, 50(1): 108-114.
DOI：

Influence of Installation Position of Ocean Kinetic Energy Converter on the Power Generating Performance in Underwater Detection Vehicles[J]. 2016, 50(1): 108-114. DOI： 10.7652/xjtuxb201601017.

摘要

为了研究海洋动能发电装置在水下探测航行器中的安装位置对其发电性能的影响

根据拉格朗日方程建立了水下探测航行器与晃动摆的耦合非线性运动方程

在不同的阻尼系数和横摇激励频率下

采用龙格库塔方法分别对海洋动能发电装置安装位置对发电性能的影响进行了数值分析。研究结果表明:海洋动能发电装置的安装距离(晃动摆的摆动中心到航行器质心的距离)为零时

在横摇固有频率激励下

系统收集能量为零; 安装距离不为零时

能量收集系统在固有频率附近呈现振动系统所有的特性; 收集的功率与安装距离为二次方关系

且在不同频率时

在安装距离为零附近都有一零功率点

说明发电装置安装距离应尽量避免为零

且这一安装位置与阻尼系数无关

而与频率有关。研究结果将为后期海洋动能发电装置的安装布放提供借鉴。

Abstract

At different damping coefficients and rolling motion excitation frequencies

the influence of the installation position of ocean kinetic energy converter on the power generating performance in underwater detection vehicles is studied using the Runge-Kuta method according to the nonlinear coupled equation of the hull and rocking pendulum established by Lagrange equation. The numerical simulation results show that when the installation distance(from the rotating center of the rocking pendulum to the barycenter of the vehicle)of the ocean kinetic energy converter is zero

under the excitation of rolling motion

the harvested energy is zero; when the installation distance is not zero

energy harvesting system shows the characteristics of a vibration system near the natural frequencies. It is also shown that the harvested power has a square relationship with the installation distance. And at each different frequency

there is a zero power point near the zero installation distance

which shows that the installation distance of the ocean kinetic energy converter should not be equal to zero. The zero-power installation distance is related to the excitation frequency and has nothing to do with the damping coefficient. The research results can provide a reference for the installation and deployment of ocean kinetic energy converters.

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references

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