Active control of helicopter blade stall

AIAA Dynamics Specialists Conference

Volumn , Issue , 1996, Pages 1-10

  Nguyen, Khanh ^a  

^a NASA AMES RESEARCH CENTER   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

FINITE ELEMENT METHOD; HELICOPTERS; TRANSFER MATRIX METHOD;

CONTROL AMPLITUDE; HELICOPTER BLADES; HIGH SPEED FLIGHT; HIGHER HARMONICS; ROTOR PERFORMANCE; SUPPRESSION SYSTEMS; TRANSFER MATRIX APPROACH; UNSTEADY AERODYNAMICS;

AERODYNAMIC STALLING;

EID: 84977103184     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.2514/6.1996-1221     Document Type: Conference Paper

References (17)

1. Gessow, A. and Myers, C. Aerodynamics of the Helicopter. Frederick Ungar, New York, NY, 1981.
2. McCroskey, W. J., "Some Current Research in Unsteady Fluid Dynamics," Journal of Fluid Engineering, Vol. 99, Mar 1977.
3. Jacklin, S., Nguyen, K.., Blaas, A., Richter, P., "Full Scale Wind tunnel Test of a Helicopter Individual Blade Control System," Proceedings of the 50th Annual Forum of the American Helicopter Society, Washington DC, May 1994.
4. Stewart, W., "Second Harmonic Control on the Helicopter Rotor," Aeronautical Research Council, Reports and Memoranda Number 2997. Aug 1952.
5. Payne, P. R., "Higher Harmonic Rotor Control," Aircraft Engineering, Vol. 30, (354), Aug 1958.
6. Arcidiacono, P. J., "Theoretical Performance of Helicopters Having Second and Higher Harmonic Feathering Control," Journal of the American Helicopter Society, Vol. 6, (2), Apr 1961.
7. Drees, J. M. and Wernicke, R. K., "An Experimental Investigation of a Second Harmonic Feathering Device on the UH-IA Helicopter," U.S. Army Transportation Research Command, TR-62-109, Fort Eustis, VA, Jun 1963.
8. Kretz, M., "Active Eliminating of Stall Conditions," Proceedings of the 37th Annual Forum of the American Helicopter Society, New Orleans, LA, May 1981.
9. Kretz, M., "Active Expansion of Helicopter Flight Envelope," Proceedings of the Fifteenth European Rotorcraft and Powered Lift Aircraft Forum, Amsterdam, The Netherlands, Sep 1989.
10. Ham, N. and Quackenbush, T., "A Simple System for Helicopter Individual-Blade-Control and Its Application to Stall Flutter Suppression," Proceedings of the Seventh European Rotorcraft and Powered Lift Aircraft Forum, Garmish-Partenkirchen, Germany, Sep 1981.
11. Ham, N., "Helicopter Stall Alleviation Using Individual-Blade-Control," Proceedings of the Tenth European Rotorcraft and Powered Lift Aircraft Forum, The Hague, The Netherlands, Aug 1984.
12. Chopra, I. and Gunjit, S. B., "University of Maryland Advanced Rotor Code: UMARC," Proceedings of the Aeromechanics Specialists Conference, San Francisco, CA, Jan 1994.
13. Leishman, J. G., and Beddoes, T. S., "A Semi-Empirical Model for Dynamic Stall," Journal of the American Helicopter Society, Vol. 34, (3), Jul 1989.
14. Johnson, W., "A Comprehensive Analytical Model of Rotorcraft Aerodynamics and Dynamics, Part I: Analysis and Development," NASA TM-81182, Jun 1980.
15. Dennis, J. E., Jr. and Schnabel R. B. Numerical Method for Unconstrained Optimization and Nonlinear Equations. Prentice Hall, Englewood Cliffs, NJ, 1983.
16. Nguyen, K. and Chopra, I., "Application of Higher Harmonic Control to Rotors Operating at High Speed and Thrust," Journal of the American Helicopter Society, Vol. 35, (3), Jul 1990.
17. Nguyen, K. and Chopra, L., "Effects of Higher Harmonic Control on Rotor Performance and Control Loads," Journal of Aircraft, Vol. 29, (3), May-Jun 1992.