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Title: Note: High-efficiency broadband acoustic energy harvesting using Helmholtz resonator and dual piezoelectric cantilever beams

Abstract

A high-efficiency broadband acoustic energy harvester consisting of a compliant-top-plate Helmholtz resonator (HR) and dual piezoelectric cantilever beams is proposed. Due to the high mechanical quality factor of beams and the strong multimode coupling of HR cavity, top plate and beams, the high efficiency in a broad bandwidth is obtained. Experiment exhibits that the proposed harvester at 170–206 Hz has 28–188 times higher efficiency than the conventional harvester using a HR with a piezoelectric composite diaphragm. For input acoustic pressure of 2.0 Pa, the proposed harvester exhibits 0.137–1.43 mW output power corresponding to 0.035–0.36 μW cm{sup −3} volume power density at 170–206 Hz.

Authors:
; ; ; ; ; ; ; ;  [1]
  1. Research Center of Sensors and Instruments, College of Optoelectronic Engineering, Chongqing University, Chongqing 400044 (China)
Publication Date:
OSTI Identifier:
22308841
Resource Type:
Journal Article
Journal Name:
Review of Scientific Instruments
Additional Journal Information:
Journal Volume: 85; Journal Issue: 6; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0034-6748
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; CAVITY RESONATORS; DIAPHRAGM; EFFICIENCY; HELMHOLTZ INSTABILITY; PIEZOELECTRICITY; PLATES

Citation Formats

Yang, Aichao, Li, Ping, Wen, Yumei, Lu, Caijiang, Peng, Xiao, He, Wei, Zhang, Jitao, Wang, Decai, and Yang, Feng. Note: High-efficiency broadband acoustic energy harvesting using Helmholtz resonator and dual piezoelectric cantilever beams. United States: N. p., 2014. Web. doi:10.1063/1.4882316.
Yang, Aichao, Li, Ping, Wen, Yumei, Lu, Caijiang, Peng, Xiao, He, Wei, Zhang, Jitao, Wang, Decai, & Yang, Feng. Note: High-efficiency broadband acoustic energy harvesting using Helmholtz resonator and dual piezoelectric cantilever beams. United States. https://doi.org/10.1063/1.4882316
Yang, Aichao, Li, Ping, Wen, Yumei, Lu, Caijiang, Peng, Xiao, He, Wei, Zhang, Jitao, Wang, Decai, and Yang, Feng. 2014. "Note: High-efficiency broadband acoustic energy harvesting using Helmholtz resonator and dual piezoelectric cantilever beams". United States. https://doi.org/10.1063/1.4882316.
@article{osti_22308841,
title = {Note: High-efficiency broadband acoustic energy harvesting using Helmholtz resonator and dual piezoelectric cantilever beams},
author = {Yang, Aichao and Li, Ping and Wen, Yumei and Lu, Caijiang and Peng, Xiao and He, Wei and Zhang, Jitao and Wang, Decai and Yang, Feng},
abstractNote = {A high-efficiency broadband acoustic energy harvester consisting of a compliant-top-plate Helmholtz resonator (HR) and dual piezoelectric cantilever beams is proposed. Due to the high mechanical quality factor of beams and the strong multimode coupling of HR cavity, top plate and beams, the high efficiency in a broad bandwidth is obtained. Experiment exhibits that the proposed harvester at 170–206 Hz has 28–188 times higher efficiency than the conventional harvester using a HR with a piezoelectric composite diaphragm. For input acoustic pressure of 2.0 Pa, the proposed harvester exhibits 0.137–1.43 mW output power corresponding to 0.035–0.36 μW cm{sup −3} volume power density at 170–206 Hz.},
doi = {10.1063/1.4882316},
url = {https://www.osti.gov/biblio/22308841}, journal = {Review of Scientific Instruments},
issn = {0034-6748},
number = 6,
volume = 85,
place = {United States},
year = {Sun Jun 15 00:00:00 EDT 2014},
month = {Sun Jun 15 00:00:00 EDT 2014}
}