1. Development of advanced circulation control wing high-lift airfoils
2. A circulation control actuator for flapless flight control
3. High-speed characteristics of circulation control airfoils
4. 4Alexander, M. G., Anders, S. G., Johnson, S. K., Florance, J. P., and Keller, D. F. "Trailing Edge Blowing on a Two-Dimensional Six-Percent Thick Elliptical Circulation Control Airfoil up to Transonic Conditions," Tech. Rep. TM-2005-213545, NASA, 2005.
5. 5Wenzinger, C. J. and Harris, T. A. "Wind-Tunnel Investigation of an NACA 23012 Airfoil with Various Arrangements of Slotted Flaps," Tech. Rep. NACA-TR-664, NACA, 1939.