A statistically based computational approach for tonal and broadband noise attenuation

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

Volumn 2, Issue , 2005, Pages 1275-1290

  Zlavog, Gabriel ^a   Eversman, Walter ^a  

^a University of Missouri Rolla   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC POWER; BROADBAND NOISE; NON-UNIFORM DUCTS;

ACOUSTIC NOISE; ACOUSTIC WAVE PROPAGATION; COMPRESSIBLE FLOW; COMPUTATIONAL METHODS; COMPUTER SIMULATION; DUCTS; FINITE ELEMENT METHOD; PROBABILITY DENSITY FUNCTION; RANDOM PROCESSES; STATISTICAL METHODS;

ATTENUATION;

EID: 29244459431     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (12)

1. L. Cremer 1953 Acoustics 3(2), 249-263. Theory of sound attenuation in rectangular ducts with absorbing walls and the resulting highest attenuation value.
2. E. J. Rice 1976 NASA CP-2001. Inlet noise suppressor design method based on the distribution of acoustic power with mode cut-off ratio.
3. I. Danda Roy and W. Eversman 2001 AIAA Journal 39(12), 2255-2261. Far field calculations for turbofan noise.
4. R. P. Dougherty 1999 AIAA 99-1822. A parabolic approximation for flow effects on sound propagation in non-uniform, softwall ducts.
5. R. P. Dougherty 1996 AIAA 96-1773. Nacelle acoustic design by ray tracing in three dimensions.
6. G. Zlavog, W.Eversman 2003 AIAA 2003-3247. Source effects on realized attenuation in lined ducts.
7. W. Eversman 2001 Journal of Sound and Vibration 246(1), 71-95. A reverse flow theorem and acoustic reciprocity in compressible potential flow in ducts.
8. W. Eversman 2002 Journal of Sound and Vibration 246(1), 97-113. Numerical experiments on acoustic reciprocity in compressible potential flows in ducts.
9. L. J. Heidelberg and D. M. Elliott 2000 AIAA 2000-1989. A comparison of measured tone modes for two low noise propulsion fans.
10. G. W. Bielak and J. W. Premo 1999 NASA CR-1999-209002. Advanced turbofan duct liner concepts.
11. I. Dyer 1958 Journal of Acoustical Society of America 30, 833-841. Measurement of noise sources in ducts.
12. G. Zlavog and W. Eversman 2005 AIAA Paper 2005- 2899. Statistical Distributions for Acoustic Power of Broadband Noise in Lined Ducts