A two-dimensional rotor inflow model developed in closed form from a galerkin approach

18th Applied Aerodynamics Conference

Volumn , Issue , 2000, Pages

  Peters, David A ^a   Nelson, Adria M ^a  

^a WASHINGTON UNIVERSITY IN ST LOUIS   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

AERODYNAMICS; FREQUENCY DOMAIN ANALYSIS; ISOMERS;

CONVOLUTION INTEGRALS; CURRENT THEORIES; FREQUENCY DOMAINS; FREQUENCY RANGES; GALERKIN APPROACH; POTENTIAL FUNCTION; ROTORCRAFT DESIGN; TWO-DIMENSIONAL ROTORS;

GALERKIN METHODS;

EID: 85088344477     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.2514/6.2000-4119     Document Type: Conference Paper

References (19)

1. Amer, Kenneth B., Theory of Helicopter Damping in Pitch or Roll and Comparison with Flight Measurements," NASA TN 2136, October 1948.
2. Sissingh, G.J., "The Effect of Induced Velocity Variation on Helicopter Rotor Damping in Pitch or Roll," A.R.C. Technical Report G.P. No.101 (14,757, 1952.
3. Carpenter, P.J. and Fridovich, B., "Effect of a Rapid Blade Pitch Increase on the Thrust and Induced Velocity Response of a Full Scale Helicopter Rotor NASA TN 3044, Nov." 1953.
4. Loewy, Robert G., "A Two Dimensional Approach to the Unsteady Aerodynamics of Rotary Wings," Journal of the Aerospace Sciences, Vol. 24, 1957, pp. 82-98.
5. Jones, J.P., "An Actuator Disc Theory for the Shed Wake at Low Tip Speed Ratios," MIT Aeroelasticity and Structures Laboratory Technical Report 133-1,1965.
6. Joglekar, M. and Loewy, R., "An Actuator-Disc Analysis of Helicopter Wake Geometry and the Corresponding Blade Response," USAAVLABS, Technical Report 69-66,1970.
7. Curtiss, Howard C., Jr., and Shupe, Norman K., "A Stability and Control Theory for Hingeless Rotors," Annual National Forum of the American Helicopter Society, Washington, D.C., May 1971.
8. Ormiston, R.A., and Peters, D.A., "Hingeless Helicopter Rotor Response with Non-Uniform Inflow and Elastic Blade Bending," Journal of Aircraft, Vol. 9, No. 10, Oct. 1972, pp 34-39.
9. Peters, D.A., "Hingeless Rotor Frequency Response with Unsteady Inflow," AHS/NASA Ames Specialists' Meeting on Rotorcraft Dynamics, NASA SP-362, February 1974.
10. Pitt, Dale Marvin, Rotor Dynamic Inflow Derivatives and Time Constants from Various Inflow Models, Doctor of Science Thesis, Washington University, December 1980.
11. Pitt, Dale M. and Peters, David A., 'Theoretical Prediction of Dynamic Inflow Derivatives," Vertica, Vol. 5, No. 1, March 1981, pp 21-34.
12. Pitt, Dale M. and Peters, David A., "Rotor Dynamic Inflow Derivatives and Time Constants from Various Inflow Models," Ninth European Rotorcraft Forum, Stresa, Italy, September 13-15, 1983.
13. Peters, David A., Boyd, David Doug, and He, Cheng Jian, "A Finite-State Induced-Flow Model for Rotors in Hover and Forward Flight," Journal of the American Helicopter Society, Vol. 34, No. 4, October 1989, pp. 5-17.
14. Peters, David A. and He, C-J, "Correlation of Measured Induced Velocities with a Finite-State Wake Model," Journal of the American Helicopter Society, Vol. 36, No. 3, July 1991, pp. 59-70.
15. Su, Ay, Yoo, Kyung M., and Peters, David A., "Extension and Validation of an Unsteady Wake Model for Rotors," Journal of Aircraft, Vol. 29, No. 3, May-June, 1992, pp. 374-383.
16. Peters, David A. and Su, Ay, "An Integrated Airloads-Inflow Model for Use in Rotor Aeroelasticity and Control Analysis," 47 Annual Forum of the American Helicopter Society, Phoenix, May 6-8, 1991.
17. Peters, David A. and Cao, Wenming, "Off-Rotor Induced Flow by a Finite-State Model," 37 AIAA SDM Conference, Salt Lake City, April 15-17, 1996, Paper 96-1550.
18. Peters, David A., Karunamoorthy, Swami, and Cao, Wen-Ming, "Finite-State Induced Flow Models, Part I: Two-Dimensional Thin Airfoil," Journal of Aircraft, Vol. 32, No. 2, March-April 1995, pp. 313-322.
19. Peters, David A. and Karunamoorthy, Swami, "State-Space Inflow Models for Rotor Aeroelasticity," Proceedings of the Holt Ashley 70th Anniversary Symposium, Stanford University, September 22-23, 1993, and AIAA 12th Applied Aerodynamics Conference, Colorado Springs, June 20-23, 1994.