Active multiple winglets for improved unmanned-aerial-vehicle performance

Journal of Aircraft

Volumn 43, Issue 1, 2006, Pages 110-116

  Shelton, Andrew ^a,b,c   Tomar, Agvinesh ^a,b,c   Prasad, Jvr ^a,b,c   Smith, Marilyn J ^a,b,c   Komerath, Narayanan ^a,b,c  

^a GEORGIA INSTITUTE OF TECHNOLOGY   (United States)

^b SCHOOL OF AEROSPACE ENGINEERING   (United States)

^c AIAA   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

MANEUVERABILITY; SENSORS; UNMANNED VEHICLES;

GUST ALLEVIATION; UNMANNED AERIAL VEHICLES (UAV); WINGLETS;

WINGS;

EID: 33644633723     PISSN: 00218669     EISSN: 15333868     Source Type: Journal    
DOI: 10.2514/1.13987     Document Type: Article

References (18)

1. Whitcomb, R., "A Design Approach and Selected Wind-Tunnel Results at High Subsonic Speeds for Wing-Tip Mounted Winglets," NASA TN D-8260, July 1976.
2. Whitcomb, R., "Methods for Reducing Aerodynamic Drag," NASA CP 2211, Proceedings of Dryden Symposium, Sept. 1981.
3. French, R. V., "Vortex Reducing Wing Tip," U.S. Patent 4,108,403, 22 Aug. 1978.
4. Kroo, I., McMasters, J., and Smith, S. C., "Highly Nonplanar Lifting Systems," Proceedings of the Transportation Beyond 2000: Technologies Needed for Engineering Design, NASA Langley Research Center, Sept. 1995.
5. Gratzer, L. B., "Spiroid-Tipped Wing," U.S. Patent 5, 102,068, 7 April 1992.
6. Spillman, J. J., "The Use of Wing Tip Sails to Reduce Vortex Drag," Aeronautical Journal, Vol. 82, No. 813, Sept. 1978, pp. 387-395.
7. La Roche, U., and Palffy, S., "WING-GRID, a Novel Device for Reduction of Induced Drag on Wings," Proceedings of ICAS 96, Sorrento, 1996.
8. Soltani, M. R., Ghorbanian, K., and Nazarinia, M., "Flow Analysis Over and Behind a Wing with Different Winglet Shapes," 42nd AIAA Aerospace Sciences Meeting and Exhibit, AIAA, Reston, VA, 2004, pp. 8329-8338
9. ; also AIAA Paper 2004-723, 2004.
10. Ruhlin, C. L., Bhatia, K. G., and Nagaraja, K. S., "Effects of Winglet on Transonic Flutter Characteristics of a Cantilevered Twin-Engine Transport Wing Model," NASA TP 2627, Dec. 1986.
11. Meyer, R. R., Jr., and Covel, P. F., "Effects of Winglets on a First-Generation Jet Transport Wing: VII - Sideslip Effects on Winglet Loads and Selected Wing Loads at Subsonic Speeds for a Full-Span Model," NASA TP 2619, Sept. 1986.
12. Satran, D. R., "Wind-Tunnel Investigation of the Flight Characteristics of a Canard General-Aviation Airplane Configuration," NASA TP 2623, Oct. 1986.
13. Smith, M. J., Komerath, N., Ames, R., Wong, O., and Pearson, J., "Performance Analysis of a Wing with Multiple Winglets," AIAA Paper 2001-2407, June 2001.
14. Santos, J., "Wingtip Airfoils," U.S. Patent 4,595,160, 17 June 1986.
15. Abbott, I., and von Doenhoff, A., Theory of Wing Sections, Dover, New York, 1949.
16. Selig, M., Donovan, J., and Fraser, D., "Airfoils at Low Speed," SoarTech #8, SoarTech, Virginia Beach, VA, 1989.
17. Jacobs, E. N., and Sherman, A., "Airfoil Section Characteristics as Affected by Variations of the Reynolds Number," NACA Rept. 586, 1937.
18. Strang, W. Z., Tomaro, R. F., and Grismer, M. J., "The Defining Methods of Cobalt60: a Parallel, Implicit, Unstructured Euler/Navier-Stokes Flow Solver," AIAA Paper 99-0786, 1999.