Active control of wall acoustic impedance

AIAA journal

Volumn 37, Issue 7, 1999, Pages 825-831

  Zhao, Hongwu ^a   Sun, Xiaofeng ^a  

^a BEIHANG UNIVERSITY   (China)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC IMPEDANCE; ACOUSTIC VARIABLES CONTROL; ACOUSTIC WAVE ABSORPTION; ACOUSTIC WAVE PROPAGATION; FLOW CONTROL; LININGS; TURBOMACHINERY; UNSTEADY FLOW; WALL FLOW;

ACOUSTIC IMPEDANCE CONTROL; ACOUSTIC LINER; BIAS FLOW RATE; CAVITY DEPTH; SOUND ABSORPTION COEFFICIENT;

ACOUSTIC EQUIPMENT;

EID: 0033164538     PISSN: 00011452     EISSN: None     Source Type: Journal    
DOI: 10.2514/2.7530     Document Type: Article

References (8)

1. Dean, P. D., "On the 'In-Situ' Control of Acoustic Liner Attenuation," Journal of Engineering for Power, Vol. 99, No. 1, 1977, pp. 63-70.
2. Watanabe, T., and Kaji, S., "Possibility of Cascade Flutter Suppression by Use of Non-Rigid Duct Wall," Proceedings of the Third International Symposium on Aero-Elasticity in Turbomachines, edited by D. S. Whitehead, Engineering Dept., Cambridge Univ., Cambridge, England, UK, 1984, pp. 261-276.
3. Howe, M.S., "On the Theory of Unsteady High Reynolds Number Flow Through a Circular Aperture," Proceedings of the Royal Society of London, Series A: Mathematical and Physical Sciences, Vol. 366, No. 1725, 1979, pp. 205-223.
4. Howe, M. S., "Attenuation of Sound in a Low Mach Number Nozzle Flow," Journal of Fluid Mechanics, Vol. 91, March 1979, pp. 209-229.
5. Bechert, D. W., "Sound Absorption Caused by Vorticity Shedding, Demonstrated with a Jet Flow," Journal of Sound and Vibration, Vol. 70, No. 3, 1980, pp. 389-405.
6. Hughes, I. J., and Dowling, A. P., "The Absorption of Sound by Perforated Linings," Journal of Fluid Mechanics, Vol. 218, Sept. 1990, pp. 299-335.
7. Jing, X., and Sun, X., "Experimental Investigations of Perforated Liners with Bias Flow Based on Sound-Vortex Theory," Acta Acustica, Vol. 22, No. 2, 1997, pp. 167-175.
8. Johnston, J. P., and Schmidt, W. E., "Measurement of Acoustic Reflection from an Obstruction in a Pipe with Flow," Journal of the Acoustical Society of America, Vol. 63, No. 5, 1978, pp. 1455-1460.