Orifice impedance under grazing flow: Modal expansion approach

Collection of Technical Papers - 11th AIAA/CEAS Aeroacoustics Conference

Volumn 2, Issue , 2005, Pages 751-759

  Kooijman, G ^a   Auregan Y ^b   Hirschberg, A ^a,c  

^a EINDHOVEN UNIVERSITY OF TECHNOLOGY   (Netherlands)

^b UNIVERSITÉ DU MAINE   (France)

^c UNIVERSITY OF TWENTE   (Netherlands)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC IMAGING; ACOUSTIC IMPEDANCE; HONEYCOMB STRUCTURES; JET ENGINES; NOISE ABATEMENT;

ACOUSTIC LINING; GRAZING FLOW; NOISE RADIATION;

ORIFICES;

EID: 29244468579     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (8)

1. D. Ronneberger; The acoustical impedance of holes in the wall of flow ducts; J. Sound and Vibration, vol. 24(1), pp. 133-150, 1972.
2. A.L. Goldman, R.L. Panton; Measurement of the acoustic impedance of an orifice under a turbulent boundary layer; J. Acoust. Soc. Am., Vol. 60, No. 6, pp. 1397-1404, 1976.
3. R. Kirby, A. Cummings; The impedance of perforated plates subjected to grazing gas flow and backed by porous media; J. Sound and Vibration vol. 217(4), pp. 619-636, 1998.
4. A. Cummings; The effect of grazing turbulent pipe-flow on the impedance of an orifice; Acustica, Vol. 61, pp. 233-242, 1986.
5. G. Kooijman, J. Golliard, A. Hirschberg; Orifice impedance under grazing flow measured with a single microphone method; AIAA 2004-2846, Proceedings of the 10th AIAA/CEAS Aeroacoustic conference, 2004.
6. Joachim Golliard; Noise of Helmholtz-resonator like cavities excited by a low Mach-number turbulent flow; PhD thesis, l'Université de Poitiers, Fr, 2002; ISBN 90-6743-964-9.
7. M.S. Howe; Acoustics of fluid-structure interactions; Cambridge University Press, 1998; ISBN 0-521-63320-6.
8. M.S. Howe; The influence of mean shear on unsteady aperture flow, with application to acoustical diffraction and self-sustained cavity oscillations; J.Fluid Mech., vol. 109, pp. 125-146, 1981.