波浪能装置输出功率的模拟计算研究

doi:10.14139/i.cnki.cn22-1228.2024.02.018

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摘要

基于势流理论建立了单个振荡浮子式波浪能发电装置的垂荡运动模型，并采用 MATLAB中的 Runge?Kutta 算法求解了运动方程组的数值解。通过数值积分的方法，系统研究了不同波浪频率和阻尼器阻尼系数下的装置平均发电功率。研究结果显示，在规则线性微幅波的作用下，浮子与振子做小幅度的周期往复运动，存在相对运动可驱动阻尼器做功，实现能量转化和输出的功能。同时，研究发现波浪频率和阻尼器阻尼系数对装置的发电功率有很大的影响。当波浪振幅为1 米、频率为1.4 ｓ^-1至2.2 ｓ^-1的范围内，单个振荡浮子式波浪能发电装置的平均输出功率在 20 Ｗ到 300 Ｗ之间变化。模拟计算研究结果对波浪能发电装置的性能优化和调控具有重要的指导意义。

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	徐瑞杰
	覃　昕
	赵昌浩
	邢　岩

关键词: 振荡数值模拟势流理论

Abstract:

A vertical oseillation model of a single oscillating buoy wave energy converter was established basedon the potential flow theory.The numerical solutions of the motion equations were obtained using the RungeKutta algorithm in MATLAB.By means of numerical integration ,the average electrical power generation of thedevice was studied under different wave frequencies and damper damping coelficients,The results indicate thatunder the action of regular linear small-amplitude waves, the buoy and pendulum undergo small-amplitudeperiodie reeiprocating motions.'The relative motion of buoy and pendulum can drive the damper to performwork , thus realizing energy conversion and output funetions. Additionally, this study found that both wavefrequency and damper damping coefficient significantly affect the electrical power generation of the device.When the wave amplitude is l m and the frequeney ranges from 1.4 s~' to 2.2 s~' ,the average output power ofthe single oscillating buoy wave energy converter varies between 20 W and 300 W, These findings of thissimulation study provide important guidance for the performance optimization and regulation of wave energyconverters.

Key words: wave energy oscillating numerical simulation potential flow

发布日期: 2024-04-25

ZTFLH:

P 743.2

引用本文:

徐瑞杰 , 覃　昕 , 赵昌浩 , 邢　岩 . 波浪能装置输出功率的模拟计算研究 [J]. 大学物理实验, 2024, 37(2): 83-88.
XU Ruijie , QIN Xin, ZHA Changhao, XING Yan. Simulation Study on the Output Power of Wave Energy Devices . Physical Experiment of College, 2024, 37(2): 83-88.

链接本文:

http://dawushiyan.jlict.edu.cn/CN/10.14139/i.cnki.cn22-1228.2024.02.018 或 http://dawushiyan.jlict.edu.cn/CN/Y2024/V37/I2/83

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