Effect of Piezoelectric Material in Mitigation of Aerodynamic Forces

  • Gholamreza AmiriniaEmail author
  • Sungmoon Jung
  • Grzegorz Kakareko
Conference paper
Part of the Conference Proceedings of the Society for Experimental Mechanics Series book series (CPSEMS)


In this study, piezoelectric materials were used to generate perturbations on the surface. This perturbation was used to combine upward wall motion and surface curvature. For this purpose, a Macro Fiber Composite (MFC) material was mounted on the surface of a cylindrical specimen for generating perturbation in the wind tunnel. Four different perturbation frequencies (1 Hz, 2 Hz, 3 Hz and 4 Hz) as well as the baseline specimen were tested in a low-speed wind tunnel (Re = 2.8 × 104). The MFC materials were mounted in a specimen to apply a combination of upward wall motion and surface curvature on the specimen in order to their effects on the leeward flow filed. The results showed that in the leeward flow field, for all actuation frequencies flow is bounded to a narrower width. In addition, Confinement of the flow in high actuation frequencies result in more turbulence in the leeward locations. In this case, the actuation frequencies resulted in up to 27% increase in turbulence intensity in the leeward.


Wind tunnel Macro Fiber Composite (MFC) Surface actuation Flow field Turbulence 


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Copyright information

© The Society for Experimental Mechanics, Inc. 2019

Authors and Affiliations

  • Gholamreza Amirinia
    • 1
    Email author
  • Sungmoon Jung
    • 1
  • Grzegorz Kakareko
    • 1
  1. 1.Department of Civil and Environmental EngineeringFlorida A&M University – Florida State University College of Engineering TallahasseeUSA

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