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Applied Physics Letters / Volume 96 / Issue 18 / INTERDISCIPLINARY AND GENERAL PHYSICS

Appl. Phys. Lett. 96, 184103 (2010); http://dx.doi.org/10.1063/1.3427405 (3 pages)

On the energy harvesting potential of piezoaeroelastic systems

A. Erturk1, W. G. R. Vieira2, C. De Marqui2, and D. J. Inman1

1Department of Mechanical Engineering, Center for Intelligent Material Systems and Structures, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, USA
2Department of Aeronautical Engineering, Engineering School of São Carlos, University of São Paulo, São Carlos, 13566 São Paulo, Brazil

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(Received 24 March 2010; accepted 16 April 2010; published online 7 May 2010)

This paper investigates the concept of piezoaeroelasticity for energy harvesting. The focus is placed on mathematical modeling and experimental validations of the problem of generating electricity at the flutter boundary of a piezoaeroelastic airfoil. An electrical power output of 10.7 mW is delivered to a 100 kΩ load at the linear flutter speed of 9.30 m/s (which is 5.1% larger than the short-circuit flutter speed). The effect of piezoelectric power generation on the linear flutter speed is also discussed and a useful consequence of having nonlinearities in the system is addressed.

© 2010 American Institute of Physics

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KEYWORDS and PACS

Keywords

aerospace components, elasticity, energy harvesting, vibrations

PACS

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3427405

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
    L. Gammaitoni, I. Neri, and H. Vocca, Appl. Phys. Lett. 94, 164102 (2009)APPLAB000094000016164102000001.

    A. Erturk, J. Hoffmann, and D. J. Inman, Appl. Phys. Lett. 94, 254102 (2009)APPLAB000094000025254102000001.

    S. C. Stanton, C. C. McGehee, and B. P. Mann, Appl. Phys. Lett. 95, 174103 (2009)APPLAB000095000017174103000001.


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