Aeroelastic stability investigation of a composite hingeless rotor in hover

Journal of Aircraft

Volumn 35, Issue 5, 1998, Pages 791-797

  Tracy, Anita L ^a,b,c   Chopra, Inderjit ^a,c  

^a UNIVERSITY OF MARYLAND   (United States)

^b PRATT AND WHITNEY   (United States)

^c AIAA   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

AERODYNAMICS; BENDING STRENGTH; COUPLINGS; DAMPING; FIBER REINFORCED MATERIALS; MATERIALS TESTING; NUMERICAL ANALYSIS; STABILITY;

AEROELASTIC ROTOR ANALYSIS; AEROELASTIC STABILITY; COMPOSITE HINGELESS ROTOR; ELASTIC COUPLINGS; LAG MODE STABILITY TEST;

HELICOPTER ROTORS;

EID: 0032155798     PISSN: 00218669     EISSN: 15333868     Source Type: Journal    
DOI: 10.2514/2.2371     Document Type: Article

References (18)

1. Hong, C. H., and Chopra, I., "Aeroelastic Stability Analysis of a Composite Blade," Journal of the American Helicopter Society, Vol. 30, No. 2, 1985, pp. 57-67.
2. Panda, B., and Chopra, I., "Dynamics of Composite Rotor Blades in Forward Flight," Vertica, Vol. 11, No. 1/2, 1987, pp. 107-209.
3. Smith, E. C., and Chopra, I., "Aeroelastic Response, Loads, and Stability of a Composite Rotor in Forward Flight," AIAA Journal, Vol. 31, No. 7, 1993, pp. 1265-1273.
4. Smith, E. C., and Chopra, I., "Air and Ground Resonance of Helicopters with Elastically Tailored Composite Rotor Blades," Journal of the American Helicopter Society, Vol. 38, No. 4, 1993, pp. 50-61.
5. Tracy, A. L., and Chopra, I., "Aeromechanical Stability of a Composite Bearingless Rotor in Forward Flight," Proceedings of the AIAA/AHS/ASME/ASCE/ASC 34th Structures, Structural Dynamics, and Materials Conference (La Jolla, CA), AIAA, Washington, DC, 1993.
6. Tracy, A. L., and Chopra, I., "Aeroelastic Analysis of a Composite Bearingless Rotor in Forward Flight Using an Improved Warping Model," Journal of the American Helicopter Society, Vol. 40, No. 3, 1995, pp. 80-91.
7. Yuan, K., Friedmann, P. P., and Venkatesan, C., "A New Aeroelastic Model for Composite Rotor Blades with Straight and Swept Tips," Proceedings of the AIAA/AHS/ASME/ASCE/ASC 33rd Structures, Structural Dynamics, and Materials Conference (Dallas, TX), AIAA, Washington, DC, 1992.
8. Fulton, M. V., and Hodges, D. H., "Aeroelastic Stability of Composite Hingeless Rotor Blades in Hover - Part I: Theory," Mathematical and Computer Modelling, Vol. 18, No. 3/4, 1993, pp. 1-18.
9. Fulton, M. V., and Hodges, D. H., "Aeroelastic Stability of Composite Hingeless Rotor Blades in Hover - Part II: Results," Mathematical and Computer Modelling, Vol. 18, No. 3/4, 1993, pp. 19-35.
10. Bousman, W. G., Sharpe, D. L., and Ormiston, R. A., "An Experimental Study of Techniques for Increasing the Lead-Lag Damping of Soft Inplane Hingeless Rotors," Proceeding of the 32nd AHS Annual National V/STOL Forum, American Helicopter Society, Alexandria, VA, 1976, pp. 1-12.
11. Bousman, W. G., "An Experimental Investigation of the Effects of Aeroelastic Couplings on Aeromechanical Stability of a Hingeless Rotor Helicopter," Journal of the American Helicopter Society, Vol. 26, No. 1. 1981, pp. 46-54.
12. Bousman, W. G., "The Effects of Structural Flap-Lag and Pitch-Lag Coupling on Soft Inplane Hingeless Rotor Stability in Hover," NASA TP 3002, AVSCOM TR89-A-002, May 1990.
13. Yeager, W. T., Hamouda, M. H., and Mantany, W. R., "An Experimental Investigation of the Aeromechanical Stability of a Hingeless Rotor in Hover and Forward Flight," NASA TM 89107, AVSCOM TM 87-B-5, June 1987.
14. McNulty, M. J., "Flap-Lag Stability Data for a Small-Scale Isolated Hingeless Rotor in Forward Flight," NASA TM 102189, AVSCOM TR 89-A-003, April 1989.
15. Sharpe, D. L., "An Experimental Investigation of the Flap-Lag-Torsion Aeroelastic Stability of the Small-Scaled Hingeless Helicopter Rotor in Hover," NASA TP2546, AVSCOM TR 85-A-9, Jan. 1986.
16. Maier, T. H., Sharpe, D. L., and Lim, J. W., "Fundamental Investigation of Hingeless Rotor Aeroelastic Stability, Test and Correlation," Proceedings of the 51st American Helicopter Society Annual Forum (Fort Worth, TX), American Helicopter Society, Alexandria, VA, 1995, pp. 1176-1190.
17. Tasker, F. A., and Chopra, I., "Assessment of Transient Analysis Techniques for Rotor Stability Testing," Journal of the American Helicopter Society, Vol. 35, No. 1, 1990, pp. 39-50.
18. Tracy, A. L., "Aeromechanical Stability Investigation of Elastically Coupled Composite Helicopter Rotors," Ph.D. Dissertation, Dept. of Aerospace Engineering, Univ. of Maryland, College Park, MD, 1996.