Modeling and optimization of a flow-induced piezoelectric vibration-based energy harvesting structure

Mengsi Li, Dunant Halim, Guangcheng Zhang, Wei Sun, Jiawa Lu

Research output: Chapter in Book/Conference proceedingConference contributionpeer-review

Abstract

This work aims to study a novel configuration of a flow-induced piezoelectric vibration-based energy harvesting structure. In this system, the resonant frequency of the energy harvesting structure is adjusted by placing additional patches at the bottom part of the beam structure. This is aimed to maximize the power output when the natural frequency of the structure approaches the vortex shedding frequency. The computational model of the flow-induced vortex shedding frequency is based both on the Strouhal theory and Kelvin-Helmholtz instability theory and the results are verified using the finite element modeling by Fluent and experimental investigation. The excitation frequency is varied from 0 to 0.85 Hz by changing the flow velocity from 0 to 0.325 m/s, while the natural frequency of the energy harvesting structure is varied from 5.7 to 1.2Hz by increasing the thickness of additional patches from 0 to 10 mm. The effectiveness of this fluid-induced vibration energy harvesting structure is demonstrated in this work.

Original languageEnglish
Title of host publicationProceedings of the 14th International Conference on Vibration Problems - ICOVP 2019
EditorsEvangelos J. Sapountzakis, Paritosh Biswas, Muralimohan Banerjee, Esin Inan
PublisherSpringer Science and Business Media Deutschland GmbH
Pages957-968
Number of pages12
ISBN (Print)9789811580482
DOIs
Publication statusPublished - 2021
Event14th International Conference on Vibration Problems, ICOVP 2019 - Hersonissos, Greece
Duration: 1 Sep 20194 Sep 2019

Publication series

NameLecture Notes in Mechanical Engineering
Volume58
ISSN (Print)2195-4356
ISSN (Electronic)2195-4364

Conference

Conference14th International Conference on Vibration Problems, ICOVP 2019
Country/TerritoryGreece
CityHersonissos
Period1/09/194/09/19

Keywords

  • Energy harvesting
  • Flow-induced vibration
  • Piezoelectric transducer
  • Vortex shedding

ASJC Scopus subject areas

  • Automotive Engineering
  • Aerospace Engineering
  • Mechanical Engineering
  • Fluid Flow and Transfer Processes

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