Helicopter main-rotor/tail-rotor interaction

Journal of the American Helicopter Society

Volumn 45, Issue 4, 2000, Pages 293-302

  Yin, J P ^a   Ahmed, S R ^a  

^a GERMAN AEROSPACE CENTER DLR   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

PRESSURE EFFECTS; SUBSONIC AERODYNAMICS; TURBOMACHINE BLADES;

AEROACOUSTICS; WILLIAMS HAWKINGS EQUATIONS;

HELICOPTER ROTORS;

EID: 0034297998     PISSN: 00028711     EISSN: None     Source Type: Journal    
DOI: 10.4050/jahs.45.293     Document Type: Article

References (22)

1. Prouty, R., and Amer, K. B., "The YAH-64 Empennage and Tail Rotor - A Technical History," American Helicopter Society 38th Annual Forum, Anaheim, CA, May 4-7, 1982.
2. Johnson, W., "A Comprehensive Analytical Model of Rotorcraft Aerodynamics and Dynamics, Part I, II, and III," NASA TN-81182, 81183, and 81184, June 1980.
3. Leverton, J. W., Pollard, J. S., and Willis, C. R., "Main Rotor-Wake/Tail Rotor Interaction," Vertica, Vol. 1, (3), 1977, pp. 213-224.
4. Leverton, J. W., "Reduction of Helicopter Noise by Use of a Quiet Tail Rotor," Paper No. 24, Sixth European Rotorcraft and Powered Lift Aircraft Forum, Bristol, UK, September 16-19, 1980.
5. George, A. R., and Chou, S. T., "A Comparative Study of Tail Rotor Noise Mechanisms," American Helicopter Society 41st Annual Forum, Ft. Worth, TX, May 15-17, 1985.
6. Tadghighi, H., "An Analytical Model for Prediction of Main Rotor/Tail Rotor Interaction Noise," AIAA Paper 89-1130, April 1989.
7. Quackenbush, T. R., Bliss, D. B., and Mahajan, A., "High Resolution Flow Field Prediction for Tail Rotor Aeroacoustics," American Helicopter Society 45th Annual Forum, Boston, MA, May 22-24, 1989.
8. Baron, M., and Boffadossi, M., "Unsteady Free Wake Analysis of Closely Interfering Helicopter Rotors," Paper No. 108, Nineteenth European Rotorcraft Forum, Cernobbio, Italy, September 14-16, 1993.
9. Bagai, A., and Leishman, G. J., "Free-Wake Analysis of Tandem, Tilt-Rotor and Coaxial Rotor Configurations," American Helicopter Society 51st Annual Forum, Ft. Worth, TX, May 9-11, 1995.
10. Schultz, K.-J., and Splettstoesser, W. R., "Helicopter Main Rotor/Tail Rotor Noise Radiation Characteristics from Scaled Model Rotor Experiments in the DNW," American Helicopter Society 49th Annual Forum, St. Louis, MO, May 19-21, 1993.
11. Fitzgerald, J., and Kohlepp, F., "Research Investigation of Helicopter Main Rotor/Tail Rotor Interaction Noise," NASA CR 4143, May 1988.
12. Martin, R. M., and Burley, C. L., "Acoustic Test of a Model Rotor and Tail Rotor, Results for the Isolated Rotors and Combined Configuration," NASA TM 101550, February 1989.
13. Ahmed, S. R., and Vidjaja, V. T., "Unsteady Panel Method Calculation of Pressure Distribution on BO105 Model Rotor Blades," Journal of the American Helicopter Society, Vol. 43, (1), January 1998, pp. 47-56.
14. Hess, J. L., and Smith, A. M. O., "Calculation of Potential Flow about Arbitrary Bodies," Progress in Aeronautical Sciences, edited by D. Kuechemann et al., Vol. 8, Pergamon Press, Oxford, England, 1967, pp. 1-138.
15. Giesing, J. P., "Nonlinear Two-Dimensional Unsteady Potential Flow with Lift," Journal of Aircraft, Vol. 5, (2), 1968, pp. 135-143.
16. Summa, J. M., "Potential Flow about Three-Dimensional Streamlined Configurations with Application to Wings and Rotors," SUDAAR Rep. No. 485, Stanford University, Palo Alto, CA, September 1974.
17. Ahmed, S. R., and Vidjaja, V. T., "Unsteady Panel Method Calculation of Pressure Distribution on BO105 Model Rotor Blades and Validation with DNW Test Data," American Helicopter Society 50th Annual Forum, Washington, D.C., May 11-13, 1994.
18. Yin, J. P., and Ahmed, S. R., "Prediction-and Its Validation-of the Acoustics of Multiblade Rotors in Forward Flight Utilising Pressure Data from a 3-D Free Wake Unsteady Panel Method," Twentieth European Rotorcraft Forum, Amsterdam, The Netherlands, October 4-7, 1994.
19. Yin, J. P., and Ahmed, S. R., "Aerodynamics and Aeroacoustics of Helicopter Main-Rotor/Tail-Rotor Interaction," AIAA Paper No. AIAA-99-1929, 1999.
20. Farassat, F., and Succi, G. P., "The Prediction of Helicopter Rotor Discrete Frequency Noise," Vertica, Vol. 7, (4), 1983.
21. Brentner, K. S., "Prediction of Helicopter Discrete Frequency Noise," NASA TM 87721, October 1986.
22. Caradonna, F. X., and Tung, C., "Experimental and Analytical Studies of a Model Helicopter Rotor in Hover," NASA TM 81232, September 1981.