A PIEZOELECTRIC ENERGY HARVESTER WITH VORTEX INDUCED VIBRATION

被引：0
|
作者：
Song, Ru-jun [1 ]
Shan, Xiao-biao [1 ]
Li, Jin-zhe [2 ]
Xie, Tao [1 ]
Sun, Qi-gang [3 ]
机构：
[1] Harbin Inst Technol, Sch Mechatron Engn, Harbin 150001, Peoples R China
[2] Northeast Forestry Univ, Coll Mech & Elect Engn, Harbin 150040, Peoples R China
[3] Shandong Elect Power Co, Econ & Technol Res Inst, Jinan 250000, Peoples R China
来源：
PROCEEDINGS OF THE 2015 SYMPOSIUM ON PIEZOELECTRICITY, ACOUSTIC WAVES AND DEVICE APPLICATIONS | 2015年
关键词：
Vortex-induced vibration; Energy harvesting; Piezoelectric;
D O I：
暂无
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：
This paper presents a piezoelectric energy harvester (PEH) which can convert fluid kinetic energy into electricity with vortex induced vibration (VIV). The PEH is composed by a piezoelectric cantilever beam and a cylinder extension. Dynamic response and energy harvesting of the PEH are studied numerically. It is found that maximum output power can be obtained with optimal resistance and the more power output, the stronger elimination of vibration amplitude. Vibration frequency makes greater contribution on power output at smaller cylinder diameter and decreases with increasing of cylinder diameter. Vibration amplitude plays main role on output power and increases first until reaching peak point with increasing of cylinder diameter. Maximum output power can be obtained with reasonable cylinder diameter.
引用
收藏
页码：322 / 325
页数：4
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