Quadrupole noise predictions through the Ffowcs Williams-Hawkings equation

AIAA journal

Volumn 37, Issue 9, 1999, Pages 1048-1054

  Ianniello, Sandro ^a  

^a ITALIAN AEROSPACE RESEARCH CENTER   (Italy)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC NOISE; ALGORITHMIC LANGUAGES; HELICOPTER ROTORS; INTEGRAL EQUATIONS; NUMERICAL ANALYSIS; TENSORS;

FFOWCS WILLIAMS-HAWKINGS EQUATION; LIGHTHILL STRESS TENSOR; RETARDED-TIME ALGORITHM;

AERODYNAMICS;

EID: 0033197202     PISSN: 00011452     EISSN: None     Source Type: Journal    
DOI: 10.2514/2.832     Document Type: Article

References (20)

1. Ffowcs Williams, J. E., and Hawkings, D. L., "Sound Generation by Turbulence and Surfaces in Arbitrary Motion," Philosophical Transactions of the Royal Society, Vol. A264, No. 1151, 1969, pp. 321-342.
2. Lyrintzis, A. S., "Review, The Use of Kirchhoff's Method in Computational Aeroacoustics," Journal of Fluids Engineering, Vol. 116, No. 4, 1994, pp. 665-676.
3. di Francescantonio, P., "A New Boundary Integral Formulation for the Prediction of Sound Radiation," Journal of Sound and Vibration, Vol. 202, No. 4, 1997, pp. 491-509.
4. Brentner, K. S., and Farassat, F., "An Analytical Comparison of the Acoustic Analogy and Kirchhoff Formulation for Moving Surfaces," American Helicopter Society 53rd Annual Forum, American Helicopter Society, Alexandria, VA, 1997.
5. Prieur, J., and Rahier, G., "Comparison of Ffowcs Williams-Hawkings and Kirchhoff Rotor Noise Calculations," AIAA Paper 98-2376, June 1998.
6. Rahier, G., and Prieur, J., "An Efficient Kirchhoff Integration Method for Rotor Noise Prediction Starting Indifferently from Subsonically or Supersonically Meshes," American Helicopter Society 53rd Annual Forum, American Helicopter Society, Alexandria, VA, 1997, pp. 697-707.
7. Baeder, J. D., "Euler Solutions to Nonlinear Acoustics of Non-Lifting Rotor Blades," International Technical Specialists' Meeting on Rotorcraft Acoustics and Rotor Fluid Dynamics, Philadelphia, Oct. 1991.
8. Brentner, K. S., "An Efficient and Robust Method for Predicting Helicopter Rotor High-Speed Impulsive Noise," Journal of Sound and Vibration, Vol. 203, No.1, 1997, pp. 87-100.
9. Farassat, F., and Brentner, K. S., "Supersonic Quadrupole Noise Theory for High-Speed Helicopter Noise," American Helicopter Society Technical Specialists' Meeting for Rotorcraft Acoustics and Aerodynamics, American Helicopter Society, Alexandria, VA, 1997.
10. Yu, Y. H., Caradonna, F. X., and Schmitz, F. H., "The Influence of the Transonic Flow Field on High-Speed Helicopter Impulsive Noise," 4th European Rotorcraft and Powered Lift Aircraft Forum, Paper 58, 1978.
11. Schultz, K. J., and Splettstoesser, W. R., "Prediction of Helicopter Rotor Impulsive Noise Using Measured Blade Pressure," American Helicopter Society 43rd Annual Forum, American Helicopter Society, Alexandria, VA, 1987.
12. Prieur, J., "Calculation of Transonic Rotor Noise Using a Frequency Domain Formulation," AIAA Journal, Vol. 26, No. 2, 1988, pp. 156-162.
13. Ianniello, S., and De Bernardis, E., "Calculation of High Speed Noise from Helicopter Rotor Using Different Descriptions of Quadrupole Source," AGARD Symposium on Aerodynamics and Aeroacoustics of Rotorcraft, No. 27, AGARD, Oct. 1994.
14. Brentner, K. S., and Holland, P. C., "An Efficient and Robust Method for Computing Quadrupole Noise," Journal of the American Helicopter Society, Vol. 42, No. 2, 1997, pp. 172-181.
15. Ianniello, S., "Algorithm to Integrate the Ffwocs Williams-Hawkings Equation on Supersonic Rotating Domain," AIAA Journal, Vol. 37, No. 9, 1999, pp. 1040-1047.
16. Farassat, F., and Brentner, K. S., "The Uses and Abuses of the Acoustic Analogy in Helicopter Rotor Noise Prediction," Journal of the American Helicopter Society, Vol. 33, No. 1, 1988, pp. 29-36.
17. Purcell, T. W., "CFD and Transonic Helicopter Sound," Fourteenth European Rotorcraft Forum, Paper 2, Sept. 1988.
18. Kuntz, M., Lohmann, D., Lieser, J. A., and Pahlke, K., "Comparisons of Rotor Noise Predictions Obtained by a Lifting Surface Method and Euler Solutions Using Kirchhoff Equation," First Joint CEAS/AIAA Conference, June 1995 (Paper 95-136).
19. Ianniello, S., and De Bernardis, E., "Volume Integration in the Calculation of Quadrupole Noise from Helicopter Rotors," First Joint CEAS/AIAA Conference, June 1995 (Paper 95-114).
20. Costes, M., Le Balleur, J. C., Gasparini, L., Vigevano, L., Hounjet, M. H. L., Kokkalis, A., Miller, J. V., Spruce, M., Pagano, A., Renzoni, P., Rocchetto, A., and Toulmay, F., "Development of a Common European Unsteady Full Potential CFD Code for Helicopter Rotors in Hover and Forward Flight," American Helicopter Society 53rd Annual Forum, American Helicopter Society, Alexandria, VA, 1997, pp. 330-342.