Effects of Wing-Cuff on NACA 23015 Aerodynamic Performances

Abstract

Abstract. The main subject of this work is the numerical study control of flow separation on a NACA 23015 airfoil by using wing cuff. This last is a leading edge modification done to the wing. The modification consists of a slight extension of the chord on the outboard section of the wings. Different numerical cases are considered for the baseline and modified airfoil NACA 23015 according at different angle of incidence. The turbulence is modeled by two equations k-epsilon model. The results of this numerical investigation showed several benefits of the wing cuff compared with a conventional airfoil and an agreement is observed between the experimental data and the present study. The most intriguing result of this research is the capability for wing cuff to perform short take-offs and landings.

Plasma Actuator with Two Mesh Electrodes to Control the Flow Boundary Layer

“…Even a properly selected wing profile loses the lift under certain conditions (especially at large angles of attack). Currently, to prevent separation of air streams from the wing profile, systems called wing mechanisms (mechanical elements) are used, which include: slats, flaps, front flaps, flaperon [1][2][3][4][5][6] and non-mechanical non-mechanical): wing fence, dogtooth, notch leading edge, LERX, wings cuffs, vortilons, vortex generator [7][8][9][10].…”