Orifice impedance under grazing flow measured with a single microphone method

Collection of Technical Papers - 10th AIAA/CEAS Aeroacoustics Conference

Volumn 1, Issue , 2004, Pages 544-554

  Kooijman, G ^a   Golliard, J ^b   Hirschberg, A ^c  

^a EINDHOVEN UNIVERSITY OF TECHNOLOGY   (Netherlands)

^b TNO   (Netherlands)

^c UNIVERSITY OF TWENTE   (Netherlands)

Author keywords

[No Author keywords available]

Indexed keywords

ASPECT RATIO; BOUNDARY LAYER FLOW; DEGREES OF FREEDOM (MECHANICS); FLOW MEASUREMENT; MICROPHONES; ORIFICES; OSCILLATIONS; PERTURBATION TECHNIQUES; PIPE FLOW; RESONATORS; VELOCITY MEASUREMENT;

GRAZING FLOW; INDUCED FLOW EFFECTS; MACH NUMBER; ORIFICE IMPEDANCE;

ACOUSTIC IMPEDANCE;

EID: 19644380895     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (15)

1. http://www.nlr.nl/public/facilities/aeroacoustic/mmt
2. R.E. Motsinger, R.E. Kraft; Design and performance of duct acoustic treatment, in: H.H. Hubbard; Aeroacoustics of flight vehicles, theory and practice, vol. 2: noise control; Acoustical Society of America, 1995; ISBN 1-56396-406-6.
3. D. Ronneberger; The acoustical impedance of holes in the wall of flow ducts; J. Sound and Vibration, vol. 24(1), pp. 133-150, 1972.
4. 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.
5. 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.
6. A. Cummings; The effect of grazing turbulent pipe-flow on the impedance of an orifice; Acustica, Vol. 61, pp. 233-242, 1986.
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.
9. M.S. Howe; Influence of wall thickness on Rayleigh conductivity and flow-induced aperture tones; J. Fluids and Structures, vol. 11, pp. 351-366, 1997
10. S.M. Grace, K.P. Horan, M.S. Howe; The influence of shape on the Rayleigh conductivity of a wall aperture in the presence of grazing flow; J. Fluids and Structures, vol. 12, pp. 335-351, 1998.
11. 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.
12. Xiaodong Jing, Xiaofeng Sun, Jingshu Wu, and Kun Meng; Effect of grazing flow on the acoustic impedance of an orifice; AIAA Journal, vol.39, no. 8, pp. 1478-1484, August 2001.
13. Y. Aurégan, R. Starobinski, and V. Pagneux; Influence of grazing flow and dissipation effects on the acoustic boundary conditions at a lined wall; J. Acoust. Soc. Am., 109(1), pp. 59-64, Jan. 2001.
14. Y. Aurégan, M. Leroux; Failures in the discrete models for flow duct with perforations: an experimental investigation; J. Sound and Vibration 265, pp. 109-121, 2003.
15. Keith S. Peat, Jeong-Guon Ih and Seong-Hyun Lee; The acoustic impedance of a circular orifice in grazing mean flow: Comparison with theory; J. Acoust. Soc. Am., 114(6), pp. 3076-3086, Dec. 2003.