Power generation from galloping-based piezoaeroelastic energy harvesters for different cross-section geometries

Abdessattar Abdelkefi, Zhimiao Yan, Muhammad R. Hajj

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

1 Scopus citations

Abstract

The possibility of harvesting energy from galloping oscillations of a bluff body with different cross-section geometries attached to a cantilever beam is investigated. To convert these oscillations into electrical power, a piezoelectric transducer is attached to the transverse degree of freedom of the prismatic structure. A modal analysis that takes into consideration the placement of the piezoelectric sheet is performed to determine the exact mode shapes of the structure. Linear analysis is performed to investigate the effects of the electrical load resistance and the cross-section geometry on the onset speed of galloping. The results show that the electrical load resistance and the cross-section geometry affect significantly the onset speed of galloping. Nonlinear analysis is performed to determine the effects of the electrical load resistance, cross-section geometry, and wind speed on the system's outputs and particularly the level of the harvested power. A comparison of the performance of the different cross-sections in terms of displacement and harvested power is presented.

Original languageEnglish
Title of host publication54th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference
DOIs
StatePublished - 2013
Event54th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference - Boston, MA, United States
Duration: 8 Apr 201311 Apr 2013

Publication series

Name54th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference

Conference

Conference54th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference
Country/TerritoryUnited States
CityBoston, MA
Period8/04/1311/04/13

Fingerprint

Dive into the research topics of 'Power generation from galloping-based piezoaeroelastic energy harvesters for different cross-section geometries'. Together they form a unique fingerprint.

Cite this