A Hybrid Flapping-Blade Wind Energy Harvester Based on Vortex Shedding Effect

被引：40

作者：

Chen, Tao ^{[1
]}

Xia, Yuedong ^{[1
]}

Liu, Wenjie ^{[1
]}

Liu, Huicong ^{[1
]}

Sun, Lining ^{[1
]}

Lee, Chengkuo ^{[2
]}

机构：

[1] Soochow Univ, Sch Mech & Elect Engn, Collaborat Innovat Ctr Suzhou Nano Sci & Technol, Jiangsu Prov Key Lab Adv Robot, Suzhou 215123, Peoples R China

[2] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 117576, Singapore

来源：

JOURNAL OF MICROELECTROMECHANICAL SYSTEMS | 2016年 / 25卷 / 05期

基金：

中国国家自然科学基金; 国家高技术研究发展计划(863计划);

关键词：

Wind energy harvesting; vortex shedding; hybrid; piezoelectric; triboelectric; SENSOR NODE; NANOGENERATOR; VIBRATION; GENERATOR;

D O I：

10.1109/JMEMS.2016.2588529

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：

We proposed a hybrid piezoelectric and triboelectric-based wind energy harvester with high output performance. A square-shaped flapping blade and two spindle-shaped outer frames are specifically designed to enhance the vortex shedding effect. As wind flows across the device, both the piezoelectric and triboelectric parts produce power outputs at the same time. The cut-in wind speed of the device is as low as 4 m/s and the voltage outputs get improved with the increase in wind speed. As wind speed reaches 14 m/s, the open circuit peak voltage outputs of the piezoelectric, and the upper triboelectric parts are 19.8 and 17.4 V, respectively. The maximum power outputs of these two parts can be obtained as 112 and 76 mu W at a wind speed of 10 m/s, with optimized load resistances of 0.6 and 0.9 M Omega, respectively. [2016-0015]

引用

页码：845 / 847

页数：3

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