A new energy harvester for fluids in motion

被引：3
|
作者：
Boragno, Corrado [1 ]
Boccalero, Gregorio [1 ]
机构：
[1] Univ Genoa, Dipartimento Fis, I-16146 Genoa, Italy
来源：
ACTIVE AND PASSIVE SMART STRUCTURES AND INTEGRATED SYSTEMS 2015 | 2015年 / 9431卷
关键词：
energy harvesting; fluttering; fluid dynamics;
D O I：
10.1117/12.2084591
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A new energy harvester, based on the fluttering phenomenon, is presented. The device is done with a wing connected to a support via two elastomers. When a fluid in motion impinges on this elastic structure, an amount of kinetic energy is transferred to the system, inducing large amplitude oscillations if few mechanical parameters are correctly set. In order to transform the mechanical energy in electrical energy, an electromagnetic coupling is adopted. In this way, it is possible to produce several mW in a wind of 4 m/s with a centimeter-sized device. The device is conceived as an autonomous power source for distributed sensors to be used in Internet of Things.
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页数：6
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