A CFD-CSD coupled-analysis of HART-II rotor vibration reduction using gurney flaps

Annual Forum Proceedings - AHS International

Volumn 1, Issue , 2010, Pages 545-559

  Min, Byung Young ^a   Sankar, Lakshmi ^a   Bauchau, Olivier ^a  

^a Georgia Institute of Technology   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

AEROELASTIC EFFECTS; COUPLED ANALYSIS; INDIVIDUAL CONTROL; OPTIMIZED DEPLOYMENTS; PERFORMANCE PENALTIES; RADIAL DIRECTION; ROTOR VIBRATIONS; SIMULTANEOUS REDUCTION;

EID: 84884373533     PISSN: 15522938     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (23)

1. Wasikowski, M. E., "An Investigation of Helicopter Individual Blade Control using Optimal Output Feedback," Ph. D. Dissertation, School of Aerospace Engineering, Georgia Institute of Technology, Atlanta, GA, 1989.
2. Nygren, K. P., "An Investigation of Helicopter Higher Harmonic Control using a Dynamic System Coupler Simulation," Ph. D. Dissertation, School of Aerospace Engineering, Georgia Institute of Technology, Atlanta, GA, 1986.
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. 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.
5. 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.
6. 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.
7. 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.
8. Chandrasekhara, M. S., Martin, P. B., and Tung, C., "Compressible Dynamic Stall Performance of a Variable Droop Leading Edge Airfoil with a Gurney Flap," AIAA 2004-0041, 42nd AIAA Aerospace Science Meeting, Reno, Nevada, 2004.
9. Lee, B., Yee, K., Joo, W., and Lee, D., "Passive Control of Dynamic Stall via Nose Droop with Gurney Flap," AIAA Paper 2005-1364.
10. 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.
11. Nelson, J., and Koratkar, N., "Effect of Miniaturized Gurney Flaps on Aerodynamic Performance of Microscale Rotors," Journal of Aircraft, Vol. 42, No. 2, March-April 2005, pp. 557-560.
12. Kinzel, M. P., Maughmer, M. D., and Lesieutre, G. A., "Miniature Trailing-Edge Effectors for Rotorcraft Performance Enhancement," Journal of AHS, Vol. 52, No. 2, April 2007, pp.146-158.
13. Yeo, H., "Assessment of Active Controls for Rotor Performance Enhancement," Journal of AHS, Vol. 53, No. 2, 2008, pp.152-163.
14. Bae, E. S., Gandhi, F., and Maughmer, M., "Optimally Scheduled Deployments of Miniature Trailing-Edge Effectors for Rotorcraft Power Reduction," American Helicopter Society 65th Annual Forum, Grapevine, TX, May 27-29, 2009.
15. Liu, L., Padthe, A. K., and Friedmann, P. P. "A Computational Study of Microflaps with Application to Vibration Reduction in Helicopter Rotors," AIAA Paper 2009-2604, 2009.
16. Min, B. Y., Sankar, L. N., Prasad, J.V.R., and Schrage, D. P., "A Physics-Based Investigation of Gurney Flaps for Rotor Vibration Reduction," American Helicopter Society 65th Annual Forum, Grapevine, TX, May 27-29, 2009.
17. Min, B. Y., "A Physics Based Investigation of Gurney Flaps for Enhancement of Rotorcraft Flight Characteristics," Ph. D. Dissertation, School of Aerospace Engineering, Georgia Institute of Technology, Atlanta, GA, May, 2010.
18. Min, B. Y., Sankar, L. N., Rajmohan, N., and Prasad, J.V.R., "Computational Investigation of the Effects of Gurney Flaps on Rotors in Forward Flight," Journal of Aircraft, Vol. 46, No. 6, Nov.-Dec. 2009.
19. Min, B. Y., Lee, W., Englar, R., and Sankar, L. N., "Numerical Investigation of Circulation Control Airfoils," Journal of Aircraft, Vol. 46, No. 4, July-August 2009, pp. 1403-1410.
20. Min, B. Y., and Sankar, L. N., "Enhancements to a Hybrid Navier-Stokes/Free Wake Method for Modeling of Blade Vortex Interactions," Journal of Aircraft (accepted).
21. Fang, Y., and Menon, S., "A Two-Equation Subgrid Model for Large-Eddy Simulation of High Reynolds Number Flows," AIAA 2006-116, 44th AIAA Aerospace Sciences Meeting and Exhibit, Reno, NV, Jan. 9-12, 2006.
22. Troolin, D. R., Longmire, E., and Lai, W. T., "Time Resolved PIV Analysis of a Gurney flap on a NACA 0015 Airfoil," 6th International Symposium on Particle Image Velocimetry, Pasadena, California, 21-23 September, 2005.
23. Yu, Y. H., Tung, C., van der Wall, B. G., Pausder, H., Burley, C., Brooks, T., Beaumier, P., Delrieux, Y., Mercker, E., and Pengel, K., "The HART-II Test: Rotor Wakes and Aeroacoustics with Higher-Harmonic Pitch Control (HHC) Inputs-The Joint German/French/Dutch/US Project," American Helicopter Society 58th Annual Forum, Montreal, Canada, June 11-13, 2002.