Effects of control system stiffness models on the dynamic stall behavior of a helicopter

Journal of the American Helicopter Society

Volumn 45, Issue 4, 2000, Pages 263-269

  Kufeld, Robert M ^a   Johnson, Wayne ^a  

^a NASA AMES RESEARCH CENTER   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

AERODYNAMICS; CONTROL SYSTEM ANALYSIS; MATHEMATICAL MODELS; SENSITIVITY ANALYSIS; STIFFNESS;

CONTROL SYSTEM STIFFNESS MODELS;

HELICOPTER ROTORS;

EID: 0034296927     PISSN: 00028711     EISSN: None     Source Type: Journal    
DOI: 10.4050/jahs.45.263     Document Type: Article

References (10)

1. Bousman, W. G., "A Qualitative Examination of Dynamic Stall from Flight Test Data," American Helicopter Society 53rd Annual Forum Pro" ceedings, Virginia Beach, VA, April 29-May 1, 1997.
2. Kufeld, R. M., Balough, D. L., Cross, J. L., Studebaker, K. F., Jennison, C. D., and Bousman, W. G., "Flight Testing of the UH-60A Airloads Aircraft," American Helicopter Society 50th Annual Forum Proceedings, Washington, D.C., May 11-13, 1994.
3. Johnson, W., "Technology Drivers in the Development of CAM-RAD II," American Helicopter Society Aeromechanics Specialists Conference, San Francisco, CA, January 19-21, 1994.
4. Johnson, W., "Rotorcraft Aerodynamics Models for a Comprehensive Analysis," American Helicopter Society 54th Annual Forum Proceedings, Washington, D.C., May 20-22, 1998.
5. Hamade, K. S., and Kufeld, R. M., "Modal Analysis of UH-6OA Instrumented Rotor Blades," NASA TM 4239, November 1990.
6. Shanley, J. P., "Application of the Comprehensive Analytical Model of Rotorcraft Aerodynamics and Dynamics to the UH-60A Aircraft," SER-72126, February 1986.
7. Johnson, W., Helicopter Theory, Princeton University Press, Princeton, New Jersey, 1980, Chapter 11.
8. Bousman, W. G., and Maier, T. H., "An Investigation of Helicopter Rotor Blade Flap Vibratory Loads," American Helicopter Society 48th Annual Forum Proceedings, Washington, D.C., June 3-5, 1992.
9. Lim, J. W., "Analytical Investigation of UH-60A Flight Blade Air-loads and Loads Data," American Helicopter Society 51st Annual Forum Proceedings, Ft. Worth, TX, May 9-11, 1995.
10. Leishman, J. G., and Beddoes, T. S., "A Semi-Empirical Model for Dynamic Stall," Journal of the American Helicopter Society, Vol. 24, (3), July 1989.