Airfoil wake modification with Gurney flap at Low-Reynolds number
Muralikrishnan Gopalakrishnan Meena,
Kunihiko Taira,
Keisuke Asai
Abstract:The complex wake modifications produced by a Gurney flap on symmetric NACA airfoils at low Reynolds number are investigated. Two-dimensional incompressible flows over NACA 0000 (flat plate), 0006, 0012 and 0018 airfoils at a Reynolds number of Re = 1000 are analyzed numerically to examine the flow modifications generated by the flaps for achieving lift enhancement. While high lift can be attained by the Gurney flap on airfoils at high angles of attack, highly unsteady nature of the aerodynamic forces are also … Show more
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