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Optimization of a synthetic jet actuator for flow control around an airfoil


Montazer, Elham and Mirzaei, Masoud and Salami, Erfan and Ward, Thomas Arthur and Romli, Fairuz Izzudin and Kazi, Salim Newaz (2016) Optimization of a synthetic jet actuator for flow control around an airfoil. In: 6th Innovation in Aerospace Engineering and Technology (AEROTECH VI), 8-9 Nov. 2016, Kuala Lumpur, Malaysia. (pp. 1-12).


This paper deals with the optimization of a synthetic jet actuator parameters in the control flow around the NACA0015 airfoil at two angles of attack: 13° (i.e. the stall angle of NACA0015) and 16° (i.e. the post stall angle of NACA0015) to maximize the aerodynamic performance of the airfoil. Synthetic jet actuator is a zero mass flux-active flow control device that alternately injects and removes fluid through a small slot at the input movement frequency of a diaphragm. The movement of the diaphragm and also the external flow around the airfoil were simulated using numerical approach. The objective of the optimization process function was maximum lift-drag ratio (L/D) and the optimization variables were jet frequency, length of the jet slot and jet location along the chord. The power coefficient of the jet was considered as a constraint. The response surface optimization method was employed to achieve the optimal parameters. The results showed that the actuator is more effective for post stall angles of attack that can lead to an enhancement of 66% in L/D.

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Additional Metadata

Item Type: Conference or Workshop Item (Paper)
Divisions: Faculty of Engineering
DOI Number: https://doi.org/10.1088/1757-899X/152/1/012023
Publisher: IOP Publishing
Keywords: Synthetic jet actuator; Flow control; Airfoil
Depositing User: Nurul Ainie Mokhtar
Date Deposited: 14 Nov 2017 04:28
Last Modified: 14 Nov 2017 04:28
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1088/1757-899X/152/1/012023
URI: http://psasir.upm.edu.my/id/eprint/53445
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