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Numerical simulation of Vortex Induced Piezoelectric Energy Converter (VIPEC) based on coupled fluid, structure and piezoelectric interaction

  • Northwestern Polytechnical University Xian
  • Université de technologie de Compiègne

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

6 Scopus citations

Abstract

A novel bluff body wake energy harvester called Vortex Induced Piezoelectric Energy Converter (VIPEC) was proposed. The VIPEC consists of a circular cylinder, a pivoted beam and several piezoelectric patches. Computational Fluid Dynamic (CFD) simulation coupled fluid, structure and piezoelectric interaction was conducted to research the open circuit voltage and the output power at Reynolds number of 8 × 104. It was revealed that the output power is completed demished when the pivoted beam length is longer than the critical value of 4 times the diameter of the cylinder. The pressure center over the beam has a periodic 'jump' as the shedding vortices slip off the beam. Maximum open circuit voltage was gained approximately 2mV with the beam length be 2 times the diameter of the cylinder, and the output power is 4μW with a load resistance of 1kΩ.

Original languageEnglish
Title of host publicationOCEANS 2017 - Aberdeen
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1-5
Number of pages5
ISBN (Electronic)9781509052783
DOIs
StatePublished - 25 Oct 2017
EventOCEANS 2017 - Aberdeen - Aberdeen, United Kingdom
Duration: 19 Jun 201722 Jun 2017

Publication series

NameOCEANS 2017 - Aberdeen
Volume2017-October

Conference

ConferenceOCEANS 2017 - Aberdeen
Country/TerritoryUnited Kingdom
CityAberdeen
Period19/06/1722/06/17

Keywords

  • fluid structure piezoelectric interaction
  • lift force
  • piezoelectric effect
  • vortex shedding
  • wake energy harvester

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