振动
声学
材料科学
能量收集
压电
转子(电动)
横截面
旋转(数学)
涡流
发电
弯曲
梁(结构)
铰链
功率(物理)
物理
机械工程
电气工程
机械
结构工程
光学
计算机科学
工程类
复合材料
人工智能
量子力学
作者
Huirong Zhang,Rujun Song,Jinpeng Meng,Xiang Li,Wentao Sui,Xiaohui Yang
出处
期刊:Ferroelectrics
[Informa]
日期:2021-11-18
卷期号:584 (1): 113-120
被引量:9
标识
DOI:10.1080/00150193.2021.1984778
摘要
This paper presents a direction adaptive energy harvester to scavenge multiple wind directions. A pair of rotatable hinges were fixed on a rotation axis to realize the orientation adaptive. The transverse bending vibration of piezoelectric beam induced by vortex shedding was converted into electricity while the change of relative position between magnets and coils output electricity too. The prototype of the energy harvester was fabricated and experiments were carried out. The harvester exhibited that the optimal power of piezoelectric and electromagnetic generation are, respectively, 5.19 mW and 0.32 mW in the wind speed range of 3.8 m/s to 6.4 m/s.
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