Computational studies of the effects of Gurney flaps on auto rotative performance of rotors in descent flight

AHS Specialists Conference on Aerodynamics 2008

Volumn 1, Issue , 2008, Pages 90-101

  Min, Byung Young ^a   Sankar, Lakshmi N ^a   Tongchitpakdee, Chanin ^a   Yu, Yung H ^b  

^a Georgia Institute of Technology   (United States)

^b Konkuk University   (South Korea)

Author keywords

[No Author keywords available]

Indexed keywords

DRAG;

AUTOROTATION; COLLECTIVE PITCH; COMPUTATIONAL STUDIES; CONTROL SETTINGS; FREE WAKE; GURNEY FLAPS; NAVIER STOKES; PERFORMANCE; SEPARATED FLOWS; THRUST COEFFICIENTS;

NAVIER STOKES EQUATIONS;

EID: 58149526954     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (28)

1. Yeo, H., "Assessment of Active Controls for Rotor Performance Enhancement," American Helicopter Society 62nd Annual Forum, 2006.
2. Howard, K., "Gurney Flap," Motorsport Magazine, Sept. 2000, U.K
3. Thiel, M. R., Lesieutre, G. A., Maughmer, M. D., and Koopmann, G. H., "Actuation of an Active Gurney Flap for Rotorcraft Applications," AIAA 2006-2181, 47th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Newport, Rhode Island, 1-4 May 2006.
4. Prouty, R.W., "Aerodynamics: The Gurney Flap, Part 2", Rotor & Wing, 1 March 2000.
5. Giguere, P., Lemay, J. and Dumas, G., "Gurney Flap Effects and Scaling for Low-Speed Airfoils," AIAA Paper 95-1881.
6. Myose, R., Papadakis, M. and Heron, I., "Gurney Flap Experiments on Airfoils, Wings, and Reflection Plane Model," Journal of Aircraft, Vol. 35, March-April 1998, pp. 206-211.
7. Neuhart, D. H. and Pendergraft, O. C., Jr., "A Water Tunnel Study of Gurney Flaps," NASA TM 4071, November 1988.
8. Jeffrey, D., Zhang, X. and Hurst, D. W., "Aerodynamics of Gurney Flaps on a Single-Element High-Lift Wing," Journal of Aircraft, Vol. 37, March-April 2000, pp. 295-301.
9. Jang, C. S., Ross, J. C. and Cummings, R. M., "Computational Evaluation of an Airfoil with a Gurney Flap," AIAA Paper 92-2708, June 1992.
10. Price, J. L., Chokani, N., and Mangalam, S., "Unsteady Aerodynamic Simulations of an Oscillating Airfoil with Miniflaps," AIAA 2002-0118, 40th AIAA Aerospace Sciences and Exhibit, Reno, Nevada, 14-17 Jan. 2002.
11. M. Chandrasekhara, M., Martin, P., and Tung, C., "Compressible Dynamic Stall Performance of a Variable Droop Leading Edge Airfoil with a Gurney Flap," AIAA Paper 2004-41.
12. Lee, B., Yee, K., Joo, W., and Lee, D., "Passive Control of Dynamic Stall via Nose Droop with Gurney Flap," AIAA Paper 2005-1364.
13. Guzel, G., Sankar, L. N., and Rhee, M., "Computational Investigation of the Effects of Gurney Flap on the Aerodynamic Performance of VR-12 Airfoil," AIAA 2005-4960, 23rd AIAA Applied Aerodynamics Conference, Toronto, Ontario Canada, 6-9 June 2005.
14. Kinzel, M. P., "Miniature Trailing-edge Effectors for Rotorcraft Applications," M.S. Thesis, Dept. of Aerospace Engineering, Penn State University, 2004.
15. Yee, K., Joo, W., and Lee, D., "Aerodynamic Performance Analysis of a Gurney Flap for rotorcraft Application," Journal of Aircraft, Vol. 44, No. 3, May-June 2007, pp. 1003-1014.
16. Nicolic, V. R., "Effect of Full-Span Gurney Flap Height on Wing Wake Vortex Alleviation," Journal of Aircraft, Vol. 43, No. 5, September-October 2006, pp. 1555-1557.
17. (See also AIAA Paper 2005-4979).
18. Lee, L. and Lee, T., "Effect of Gurney Flap on Unsteady Wake Vortex," Journal of Aircraft, Vol. 44, No. 4, July-August 2007, pp. 1398-1401.
19. Mayda, E., and C. P. van Dam, "Computational Investigation of Finite Width Microtabs for Aerodynamic Load Control," AIAA Paper 2005-1185.
20. Chow, R., and C. P. van Dam, "Unsteady Computational Investigations of Deploying Load Control Microtabs," Journal of Aircraft, Vol. 43, No. 5, 2006, pp. 1458-1469.
21. (See also AIAA paper 2007-1018 and AIAA paper 2006-1063).
22. Baker, J. P., Standish, K. J., and C. P. van Dam, "Two-Dimensional Wind Tunnel and Computational Investigation of a Microtab Modified Airfoil," Journal of Aircraft, Vol. 44, No. 2, 2007, pp. 563-572.
23. (See also AIAA paper 2005-1186).
24. Tongchitpakdee, C., "Computational Studies of the Effects of Active and Passive Circulation Enhancement Concepts on Wind Turbine Performance," Ph. D. Dissertation, School of Aerospace Engineering, Georgia Institute of Technology, Atlanta, GA, 2007.
25. Tongchitpakdee, C., Benjanirat, S., and Sankar, L. N., "Numerical Studies of the Effects of Active and Passive Circulation Enhancement Concepts on Wind Turbine Performance," AIAA Paper 2006-0198.
26. Tongchitpakdee, C., Benjanirat, S., and Sankar, L. N., "Numerical Simulation of the Aerodynamics of Horizontal Axis Wind Turbines Under Yawed Flow Conditions," AIAA Paper 2005-0773.
27. Yang, Z., "A Hybrid Flow Analysis for Rotors in Forward Flight," Ph. D. Dissertation, School of Aerospace Engineering, Georgia Institute of Technology, Atlanta, GA, 2001.
28. Splettstoesser, W. R., Kube, R., Seelhorst, U., Wagner, W., Boutier, A., Micheli, F., Mercker, E., and Pengel, K. "Higher Harmonic Control Aeroacoustic Rotor Test (HART) - Test Documentation and Representative Results," German Aerospace Research Establishment, DLR, Braunschweig, Dec. 1995.