Experimental analysis of energy harvesting from self-induced flutter of a composite beam

被引：58
作者：
Zakaria, Mohamed Y. [1 ]
Al-Haik, Mohammad Y. [1 ]
Hajj, Muhammad R. [1 ]
机构：
[1] Virginia Tech, Blacksburg, VA 24061 USA
来源：
APPLIED PHYSICS LETTERS | 2015年 / 107卷 / 02期
关键词：
Wind - Energy harvesting - Composite beams and girders;
D O I：
10.1063/1.4926876
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Previous attempts to harvest energy from aeroelastic vibrations have been based on attaching a beam to a moving wing or structure. Here, we exploit self-excited oscillations of a fluttering composite beam to harvest energy using piezoelectric transduction. Details of the beam properties and experimental setup are presented. The effects of preset angle of attack, wind speed, and load resistance on the levels of harvested power are determined. The results point to a complex relation between the aerodynamic loading and its impact on the static deflection and amplitudes of the limit cycle oscillations on one hand and the load resistance and level of power harvested on the other hand. (C) 2015 AIP Publishing LLC.
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页数：4
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