Active Flow Control Over a Wing Model Using Synthetic-Jet-Actuator Arrays

Tang, Hui; Salunkhe, Pramod; Du, Jiaxing; Wu, Yanhua

doi:10.1007/978-3-642-40371-2_16

Hui Tang⁵,
Pramod Salunkhe⁵,
Jiaxing Du⁵ &
…
Yanhua Wu⁵

Part of the book series: Lecture Notes in Mechanical Engineering ((LNME))

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Abstract

In this study, synthetic-jet-actuator (SJA) arrays were designed, implemented, and tested on a straight-wing model for flow separation control. First, the characteristics of a single SJA were determined. The jet velocity appears a peak between 400 and 500 Hz, which corresponds to the SJA’s Helmholtz resonance frequency. Second, two arrays of such SJAs were implemented at different chordwise locations on a straight-wing model. Force balance measurements and power spectrum analysis showed that both SJA arrays are able to effectively delay flow separation, with the front SJA array more effective than the rear one. For the front array, the improvement in C _L and C _D was 27.4 % and 19.6 %, respectively.

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Authors and Affiliations

School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore, Singapore
Hui Tang, Pramod Salunkhe, Jiaxing Du & Yanhua Wu

Authors

Hui Tang
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Pramod Salunkhe
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Jiaxing Du
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Yanhua Wu
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Correspondence to Hui Tang .

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Editors and Affiliations

The Hong Kong Polytechnic University, Hong Kong, People's Republic of China
Yu Zhou
The Hong Kong Polytechnic University, Hong Kong, People's Republic of China
Yang Liu
The University of Hong Kong, Hong Kong, People's Republic of China
Lixi Huang
Georgia Institute of Technology, Atlanta, Georgia, USA
Dewey H. Hodges

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Tang, H., Salunkhe, P., Du, J., Wu, Y. (2014). Active Flow Control Over a Wing Model Using Synthetic-Jet-Actuator Arrays. In: Zhou, Y., Liu, Y., Huang, L., Hodges, D. (eds) Fluid-Structure-Sound Interactions and Control. Lecture Notes in Mechanical Engineering. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-40371-2_16

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DOI: https://doi.org/10.1007/978-3-642-40371-2_16
Published: 13 November 2013
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-40370-5
Online ISBN: 978-3-642-40371-2
eBook Packages: EngineeringEngineering (R0)

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