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Experimental Investigation of a Hybrid Morphing NACA4412 Airfoil Via Time-Resolved PIV Measurements

Scheller, Johannes and Rizzo, Karl-Joseph and Jodin, Gurvan and Duhayon, Eric and Rouchon, Jean-François and Harran, Gilles and Braza, Marianna Experimental Investigation of a Hybrid Morphing NACA4412 Airfoil Via Time-Resolved PIV Measurements. (2016) In: Advances in Fluid-Structure Interaction. Springer, 45-57. ISBN 978-3-319-27384-6

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Official URL: http://dx.doi.org/10.1007/978-3-319-27386-0_3


Particle image velocimetry (PIV) measurements are conducted at the trailing edge of a piezoelectric actuated airfoil in order to investigate the physical effect on the flow via high-frequency low-amplitude actuation. Furthermore the effects of large-amplitude low frequency actuation modifying the airfoil camber are investigated using aerodynamic force measurements. A statistical analysis reveals the reduction of the Reynolds stress tensor components with increasing actuation frequency up to a frequency of 60Hz. The modification of the airfoil camber allows real-time control of the desired lift. The feasibility of the designed hybrid morphing mechanism under aerodynamic loads at a Reynolds number of 218,000 was shown for both the large amplitude and the high frequent actuation.

Item Type:Book Section
Additional Information:Thanks to Springer editor. The definitive version is available at http://link.springer.com/ The original PDF of the article can be found at http://link.springer.com/chapter/10.1007%2F978-3-319-27386-0_3
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)
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Deposited On:09 Jun 2017 08:07

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