An experimental investigation has been conducted to determine the effectiveness of ailerons in the high angle- of-attack regime in the presence of forebody tangential blowing. Forebody blowing generates both roll and yaw moments, but independent control of these moments requires the use of a second actuator. Results from this study support the idea of using ailerons and forebody blowing for aircraft roll and yaw control at high angles of attack. Experiments were conducted at 45-deg nominal incidence angle, using a wind-tunnel model configuration consisting of a cone-cylinder fuselage and a delta wing.
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