Design and simulation investigation of piezoelectric energy harvester under wake-induced vibration coupling vortex-induced vibration

被引：10
|
作者：
Meng, Jinpeng [1 ]
Fu, Xingwen [2 ]
Yang, Chongqiu [1 ]
Zhang, Leian [1 ]
Yang, Xianhai [1 ]
Song, Rujun [1 ]
机构：
[1] Shandong Univ Technol, Sch Mech Engn, Zibo, Peoples R China
[2] Beihang Univ BUAA, Sch Optoelect Engn, Beijing, Peoples R China
来源：
FERROELECTRICS | 2021年 / 585卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Wind energy harvester; piezoelectric; wake-induced vibration; vortex-induced vibration; CYLINDER;
D O I：
10.1080/00150193.2021.1991221
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, a piezoelectric energy harvester under wake-induced vibration coupling vortex-induced vibration is proposed to covert the wind energy to electricity. Simulation analysis method is adopted to study output performance of the harvester. The results show that the lift force of the tail cylinder oscillator is simultaneously affected by the vortex-induced vibration and the wake-induced vibration, which could be controlled by the spacing distance. When the spacing ratio is 6, the lift force is the largest. The maximum output of 1.36 mW can be obtained when the flow rate is 1.6 m/s with load resistance of 100 k omega.
引用
收藏
页码：128 / 138
页数：11
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