Design and hover test of low vibration mach scale rotor with twisted composite tailored blades

Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference

Volumn 5, Issue , 2003, Pages 3528-3539

  Bao, Jinsong ^a   Nagaraj, V T ^a   Chopra, Inderjit ^a   Bernhard, Andreas P F ^b  

^a UNIVERSITY OF MARYLAND   (United States)

^b SIKORSKY AIRCRAFT CORPORATION   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

AERODYNAMICS; AIRCRAFT MODELS; AIRCRAFT PROPELLERS; COMPOSITE MATERIALS; EQUIPMENT TESTING; HELICOPTER ROTORS; VIBRATIONS (MECHANICAL);

AEROELASTIC ANALYSIS; HOVER TEST; LOW VIBRATION MACH SCALE ROTOR; STATIC BENCH TOP TESTS; TWISTED COMPOSITE TAILORED BLADES; VIBRATORY HUB LOADS;

AEROSPACE ENGINEERING;

EID: 0041509009     PISSN: 02734508     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (14)

1. Jung, S.N., Nagaraj, V.T. and Chopra, I., "Assessment of Composite Rotor Blade Modeling Techniques," Journal of the American Helicopter Society, Vol.44, No. 3, July 1999, pp. 188-205.
2. Smith, E. C. and Chopra, I., "Aeroelastic Response, Loads and Stability of a Composite Rotor in Forward Flight," AIAA Journal, Vol.31, No.7 July 1993, pp. 1265-1274.
3. Fulton, M. V. and Hodges, D. H. "Aeroelastic Stability of Composite Hingeless Rotor Blades in Hover Part I: Theory," Mathematical and Computer Modeling, Vol.18, No. 3/4, 1993, pp.1-17.
4. Fulton, M.V. and Hodges, D.H., "Aeroelastic Stability of Composite Hingeless Rotor Blades in Hover-Part II: Results," Mathematical and Computer Modeling, Vol.18, No. 3/4, 1993, pp.19-35.
5. 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, July 1995, pp. 80-91.
6. Ganguli, R. and Chopra, I., "Aeroelastic Optimization of a Helicopter Rotor with Two-Cell Composite Blades," AIAA Journal, Vol.34, No. 4 April 1996, pp. 835-841.
7. Ganguli, R. and Chopra, I., "Aeroelastic Optimization of a Helicopter Rotor to Reduce Vibration and Dynamic Stresses," Journal of Aircraft, Vol.33, No. 4, July-August 1996, pp. 808-815.
8. Ganguli, R. and Chopra, I., "Aeroelastic Optimization of an Advanced Geometry Composite Helicopter Rotor," Proceedings of the American Helicopter Society 51st Annual Forum, Fort Worth, Texas, May 9-11, 1995.
9. Yuan, K. A. and Friedmann, P. P., "Structural Optimization for Vibration Reduction of Composite Helicopter Rotor Blades with Advanced Geometry Tips Subject to Multidisciplinary Constraints," Proceedings of the American Helicopter Society 51st Annual Forum, Fort Worth, Texas, May 9-11, 1995.
10. Floros, M. W. and Smith, E. C., "Elastically Tailored Rotor Blades for Stall Alleviation and Vibration Reduction," Proceedings of the American Helicopter Society Aeromechanics Specialists' Meeting, Atlanta, Georgia, Nov. 13-14, 2000.
11. Tracy, A. L. and Chopra, I., "Aeroelastic Stability Investigation of a Composite Hingeless Rotor in Hover," Journal of Aircraft, Vol.35, No.5, September-October 1998, pp. 791-797.
12. Bao, J., Nagaraj, V. T., Chopra, I. and Bernhard, A.P.F., "Development of a Low Vibration Mach Scale Rotor with Composite Couplings," Proceedings of the American Helicopter Society 58th Annual Forum, Montreal, Canada, June 11-13, 2002.
13. Bi, N. P. "Contributions to the Experimental Investigation of Rotor/Body Aerodynamic Interactions," Ph.D Dissertation, Department of Aerospace Engineering, University of Maryland, 1991.
14. Jung, S. N., Nagaraj, V. T. and Chopra, I., "Refined Structural Model for Thin and Thick-Walled Composite Rotor Blades," AIAA Journal, Vol.40, No.1 January 2002, pp. 105-116.