Numerical Investigation of Flow Control by Suction and Injection on a Subsonic Airfoil
M. H. Shojaefard, A. R. Noorpoor, A. Avanesians & M. Ghaffarpour
American Journal of Applied Sciences, Volume 2, Issue 10, pp. 1474–1480 · doi.org/10.3844/ajassp.2005.1474.1480
Abstract
This study presents a numerical study concerning flow control by suction and injection. The case studied is the flow field over a subsonic airfoil with four suction and injection slots on the suction side of the airfoil. Five different angles of attack, 0, 5, 10, 13.3 and 20 with the Mach number of 0.15 are studied. Three cases are studied in each angle of attack. The three cases are airfoil with surface suction, surface injection and the base airfoil. A commercial CFD code, the FLUENT, is used in this study. The effect of suction and injection on aerodynamic coefficients is investigated. The results show that the surface suction can significantly increase the lift coefficient. The injection decreases the skin friction.
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Shojaefard, M. H., Noorpoor, A. R., Avanesians, A. & Ghaffarpour, M. (2005). Numerical Investigation of Flow Control by Suction and Injection on a Subsonic Airfoil. American Journal of Applied Sciences, 2(10), 1474–1480. https://doi.org/10.3844/ajassp.2005.1474.1480
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