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Applied Physics Letters / Volume 99 / Issue 11 / INTERDISCIPLINARY AND GENERAL PHYSICS

Appl. Phys. Lett. 99, 114102 (2011); http://dx.doi.org/10.1063/1.3637635 (3 pages)

Traveling wave-induced aerodynamic propulsive forces using piezoelectrically deformed substrates

Noah T. Jafferis1,2, Howard A. Stone2,3, and James C. Sturm1,2

1Department of Electrical Engineering, Princeton University, Princeton, New Jersey 08544, USA
2Princeton Institute for the Science and Technology of Materials (PRISM), Princeton University, Princeton, New Jersey 08544, USA
3Department of Mechanical and Aerospace Engineering, Princeton University, Princeton, New Jersey 08544, USA

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(Received 1 July 2011; accepted 22 August 2011; published online 13 September 2011)

We use integrated piezoelectric actuators and sensors to demonstrate the propulsive force produced by controllable transverse traveling waves in a thin plastic sheet suspended in air above a flat surface, thus confirming the physical basis for a “flying” carpet near a horizontal surface. Experiments are conducted to determine the dependence of the force on the height above the ground and the amplitude of the traveling wave, which qualitatively confirm previous theoretical predictions.

© 2011 American Institute of Physics

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KEYWORDS and PACS

Keywords

aerodynamics, aerospace propulsion, piezoelectric actuators, piezoelectric transducers, plastic deformation

PACS

  • 47.85.Gj

    Aerodynamics

  • 85.50.-n

    Dielectric, ferroelectric, and piezoelectric devices

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3637635

PUBLICATION DATA

ISSN

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

Publisher

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

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    References

    M. Argentina, J. Skotheim, and L. Mahadevan, Phys. Rev. Lett. 99, 224503 (2007).

    K. P. Selverov and H. A. Stone, Phys. Fluids 13, 1837 (2001)PHFLE6000013000007001837000001.


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