Fourier transform-based design of a patterned piezoelectric energy harvester integrated with an elastoacoustic mirror

被引：39
作者：
Carrara, M. [1 ]
Kulpe, J. A. [2 ]
Leadenham, S. [2 ]
Leamy, M. J. [2 ]
Erturk, A. [2 ]
机构：
[1] Georgia Inst Technol, D Guggenheim Sch Aerosp Engn, Atlanta, GA 30332 USA
[2] Georgia Inst Technol, George W Woodruff Sch Mech Engn, Atlanta, GA 30332 USA
来源：
APPLIED PHYSICS LETTERS | 2015年 / 106卷 / 01期
基金：
美国国家科学基金会;
关键词：
CLAMPED CIRCULAR PLATE; GENERATOR;
D O I：
10.1063/1.4905509
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We explore efficient transformation of structure-borne propagating waves into low-power electricity using patterned polymer piezoelectrics integrated with an elastoacoustic mirror configuration. Fourier transform-based spatial optimization of a piezoelectric energy harvester domain weakly coupled to a thin plate housing a continuous elliptical elastoacoustic mirror is presented. Computational modeling and experimental testing are employed to quantify performance enhancement in power generation using the presented approach. Excellent agreement is observed between numerical simulations and experimental measurements. Specifically, dramatic enhancement of the harvested power output is reported by patterning the electrodes of a rectangular polyvinylidene fluoride piezoelectric energy harvester in the elliptical mirror domain. (C) 2015 AIP Publishing LLC.
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页数：4
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