An efficient and robust method for predicting helicopter high-speed impulsive noise

Journal of Sound and Vibration

Volumn 203, Issue 1, 1997, Pages 87-100

  Brentner, K S ^a  

^a NASA LANGLEY RESEARCH CENTER   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0001988909     PISSN: 0022460X     EISSN: None     Source Type: Journal    
DOI: 10.1006/jsvi.1996.0834     Document Type: Article

References (25)

1. J. E. FFOWCS WILLIAMS and D. L. HAWKINGS 1969 Philosophical Transactions of the Royal Society A264, 321-342. Sound generated by turbulence and surfaces in arbitrary motion.
2. M. J. LIGHTHILL 1952 Proceedings of the Royal Society A221, 564-587. On sound generated aerodynamically, I: general theory.
3. M. J. LIGHTHILL 1954 Proceedings of the Royal Society A222, 1-32. On sound generated aerodynamically, II: turbulence as a source of sound.
4. Y. H. YU, F. X. CARADONNA and F. H. SCHMITZ 1978 Proceedings of the Fourth European Rotorcraft and Powered Lift Aircraft Forum. (Paper 58.) The influence of the transonic flow field on high-speed helicopter impulsive noise.
5. D. B. HANSON and M. R. FINK 1979 Journal of Sound and Vibration 62, 19-38. The importance of quadrupole sources in prediction of transonic tip speed propeller noise.
6. K. J. SCHULTZ and W. R. SPLETTSTOESSER 1987 Proceedings of the American Helicopter Society 43rd Annual Forum. Prediction of helicopter rotor impulsive noise using measured blade pressure.
7. K. J. SCHULTZ, D. LOHMAN, J. A. LIESER and K. D. PAHLKE 1994 Proceedings of the AGARD Fluid Dynamics Panel Symposium on Aerodynamics and Aeroacoustics of Rotorcraft. (Paper 29.) Aeroacoustic calculation of helicopter rotors at DLR.
8. S. IANNIELLO and E. DE BERNARDIS 1994 Proceedings of AGARD Fluid Dynamics Panel Symposium on Aerodynamics and Aeroacoustics of Rotorcraft. (Paper 27.) Calculation of high-speed noise from helicopter rotor using different descriptions of quadrupole source.
9. J. PRIEUR 1986 AIAA Paper 86-1901. Calculation of transonic rotor noise using a frequency domain formulation.
10. J. PRIEUR, M. COSTES and J. D. BAEDER 1991 Proceedings of the American Helicopter Society/Royal Aeronautical Society International Technical Specialists's Meeting on Rotorcraft Acoustics and Rotor Fluid Dynamics. Aerodynamic and acoustic calculations of transonic nonlifting hovering rotors.
11. F. FARASSAT 1987 AIAA Paper 87-2675. Quadrupole source in prediction of noise of rotating blades - a new source description.
12. F. FARASSAT and M. K. MYERS 1990 in Computational Acoustics - Scattering, Gaussian Beams, and Aeroacoustics 2, (D. Lee, A. Cakmak, and R. Vichnevetsky, editors), 227-240. Amsterdam: North-Holland. An analysis of the quadrupole noise source of high speed rotating blades.
13. H. TADGHIGHI, R. HOLZ, F. FARASSAT and Y. J. LEE 1991 Proceedings of the American Helicopter Society 47th Annual Forum. Development of a shock noise prediction code for high-speed helicopters.
14. K. S. BRENTNER and P. C. HOLLAND 1995 Proceedings of the American Helicopter Society 2nd International Aeromechanics Specialists' Conference. An efficient and robust method for computing quadrupole noise.
15. F. FARASSAT and K. S. BRENTNER 1988 Journal of the American Helicopter Society 33, 29-36. The uses and abuses of the acoustic analogy in helicopter rotor noise prediction.
16. F. FARASSAT 1975 NASA TR R-451. Theory of noise generation from moving bodies with an application to helicopter rotors.
17. K. S. BRENTNER 1986 NASA TM 87721. Prediction of helicopter rotor noise-a computer program incorporating realistic blade motions and advanced formulation.
18. F. FARASSAT and G. P. SUCCI 1983 Vertica 7, 309-320. The prediction of helicopter discrete frequency noise.
19. K. S. BRENTNER, A. S. LYRINTZIS and E. K. KOUTSAVDIS 1996 Proceedings of the American Helicopter Society 52nd Annual Forum. A comparison of computational aeroacoustic prediction methods for transonic rotor noise prediction.
20. D. A. BOXWELL, Y. H. YU and F. H. SCHMITZ 1979 Vertica 3, 35-45. (Also in NASA CP-2052, 1978.) Hovering impulsive noise: Some measured and calculated results.
21. T. W. PURCELL 1988 Proceedings of the Fourteenth European Rotorcraft Forum. (Paper 2.) CFD and transonic helicopter sound.
22. J. D. BAEDER, J. M. GALLMAN and Y. H. YU 1993 Proceedings of the American Helicopter Society 49th Annual Forum. A computational study of aeroacoustics of rotors in hover.
23. J. D. BAEDER 1991 Proceedings of the American Helicopter Society/Royal Aeronautical Society International Technical Specialists' Meeting on Rotorcraft Acoustics and Rotor Fluid Dynamics. Euler solutions to nonlinear acoustics of non-lifting rotor blades.
24. J. A. VISINTAINER, M. A. MARCOLINI, C. L. BURLEY and S. R. LIU 1993 Journal of the American Helicopter Society 38, 35-44. Acoustic predictions using measured pressures from a model rotor in the DNW.
25. C. L. BURLEY and H. TADGHIGHI 1994 Proceedings of the American Helicopter Society 50th Annual Forum. Importance of high accuracy blade motion and airloads predictions in acoustic analysis.