中文核心期刊
CSCD来源期刊
中国科技核心期刊
RCCSE中国核心学术期刊

重庆交通大学学报(自然科学版) ›› 2017, Vol. 36 ›› Issue (9): 104-107.DOI: 10.3969/j.issn.1674-0696.2017.09.19

• 车辆与机电工程 • 上一篇    下一篇

涡激振动能量收集的理论建模与实验验证

杨敬东,刘永臻,张敏,张鸿鑫   

  1. (重庆交通大学 航运与船舶工程学院,重庆 400074)
  • 收稿日期:2016-07-15 修回日期:2016-11-08 出版日期:2017-09-20 发布日期:2017-09-20
  • 作者简介:杨敬东(1970—),男,重庆人,高级工程师,主要从事现代造船技术与新能源开发方面的研究。E-mail:274245970@qq.com。
  • 基金资助:
    福建省科技厅重点资助项目(2014H0010)

Modeling of Vortex-Induced Vibrations (VIV) Energy Harvesting and Experimental Validation

YANG Jingdong, LIU Yongzhen, ZHANG Min, ZHANG Hongxin   

  1. (School of Shipping & Marine Engineering, Chongqing Jiaotong University, Chongqing 400074, P.R.China)
  • Received:2016-07-15 Revised:2016-11-08 Online:2017-09-20 Published:2017-09-20

摘要: 为了研 究涡激振动压电能量收集特性,根据压电理论和尾流振子模型建立二维涡激振动的压电能量收集数学模型,对一个圆柱加双压电臂的能量收集装置进行计 算分析。结果表明:输出电压随着负载电阻的增大而增大,最大输出功率存在一个最佳匹配电阻。之后开展压电能量收集风洞实验,理论分析结果与实验 结果吻合,验证了理论模型的正确性。该模型对进一步设计和优化涡激振动能量收集装置有参考价值。

关键词: 机电工程, 能量收集, 尾流振子模型, VIV, 圆柱

Abstract: In order to study vortex-induced vibration of piezoelectric energy harvesting characteristics, a two-dimensional mathematical model about piezoelectric energy harvesting was established based on the theory of piezoelectric and wake oscillator model. An energy harvesting device of a cylinder with double piezoelectric cantilever beam was calculated and analyzed. The results show that the output voltage increases with the increase of load resistance. The maximum output power has an optimum matching resistance. Then the wind tunnel experiment of piezoelectric energy harvesting was conducted. It is demonstrated that the experimental results are consistent with the calculation results and the correctness of the proposed theoretical model is verified. The proposed model provides reference to further design and optimization of vortex-induced vibration energy harvesting system.

Key words: electromechanical engineering, energy harvesting, wake oscillator model, vortex-induced vibration, cylinder

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