Boundary element evaluation on the performance of sound absorbing wedges for anechoic chambers

Engineering Analysis with Boundary Elements

Volumn 18, Issue 2, 1996, Pages 103-110

  Wang, Chao Nan ^a   Tang, Ming Kun ^a  

^a NATIONAL TAIWAN UNIVERSITY   (Taiwan)

Author keywords

Anechoic chamber; Boundary element method; Pressure reflection; Sound absorbing wedge

Indexed keywords

ANECHOIC CHAMBERS; HEAT CONDUCTION; POROUS MATERIALS; VISCOSITY;

AIR GAP; HYBRID WEDGE; PRESSURE REFLECTION COEFFICIENT; SOUND ABSORBING WEDGES;

BOUNDARY ELEMENT METHOD;

EID: 0030233018     PISSN: 09557997     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0955-7997(96)00017-3     Document Type: Article

References (11)

1. Beranek, L. L. & Sleeper, H. P. The design and construction of anechoic sound chambers. J. Acoust. Soc. Amer., 1946, 18, 140-50.
2. Koidan, W., Hruska, G. R. & Pickett, M. A. Wedge design for National Bureau of Standards anechoic chambers. Journal of Sound and Vibration, 1972, 52, 1071-6.
3. Duda, J. Basic design considerations of anechoic chambers. Noise Control Engineering Journal, 1977, 9, 60-7.
4. Allard, J. F. Propagation of Sound in Porous Media. Elsevier Applied Science, London, New York, 1993.
5. Delany, M. E. & Bazley, E. N. Acoustic properties of fibrous absorbent material. Applied Acoustics, 1970, 3, 105-16.
6. Cummings, A. Sound attenuation in ducts lined on two opposite walls with porous material, with some applications to splitters. Journal of Sound and Vibration, 1976, 49(1), 9-35.
7. Astley, R. J. & Cummings, A. A finite element scheme for attenuation in duct lined with porous material: Comparison with experiments. Journal of Sound and Vibration, 1987, 116, 239-63.
8. Easwaran, V. & Manjal, M. L. Finite element analysis of wedge used in anechoic chambers. Journal of Sound and Vibration, 1993, 160, 333-50.
9. Bleistein, N. Mathematical Methods for Wave Phenomena. Academic Press, New York, 1984.
10. Kinsler, L. E., Frey, A. R., Coppens, A. B. & Sanders, J. V. Fundamentals of Acoustics. John Wiley, New York, 1982.
11. Koyasu, M. Sound Absorbing Materials. Acoustical Material Society of Japan, Gihoudo, Tokyo, 1976 (in Japanese).