Exact and approximate directivity patterns of the sound radiated from a cylindrical duct

Journal of Sound and Vibration

Volumn 227, Issue 2, 1999, Pages 397-407

  Hocter, S T ^a  

^a KEELE UNIVERSITY   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0013408565     PISSN: 0022460X     EISSN: None     Source Type: Journal    
DOI: 10.1006/jsvi.1999.2351     Document Type: Article

References (16)

1. H. LEVINE and J. SCHWINGER 1943 Physical Review 73, 383-406. Radiation of sound from a circular pipe.
2. L. A. WEINSTEIN 1969 The Theory of Diffraction and the Factorization Method (Generalized Wiener-Hopf Technique). Golem.
3. G. F. HOMICZ and J. A. LORDI 1975 Journal of Sound and Vibration 41, 283-290. A note on the radiative directivity patterns of duct acoustic modes.
4. D. L. LANSING 1970 Analytical Methods in Aircraft Aerodynamics NASA SP-228, 323-334. Exact solution for radiation of sound from a semi-infinite circular duct with application to fan and compressor noise.
5. S. W. LEE 1972 Journal of Mathematical Physics 13, 656-664. Ray theory of diffraction by open-ended waveguides. II. Applications.
6. J. J. BOWMAN, T. B. A. SENIOR and P. L. E. USLENGHI 1987 Electromagnetic and Acoustic Scattering from Simple Shapes. New York: Harper & Row.
7. J. M. TYLER and T. G. SOFRIN 1962 Society of Automotive Engineers Transactions 70, 309-332. Axial flow compressor noise studies.
8. C. L. MORFEY 1969 Journal of Sound and Vibration 9, 367-372. A note on the radiation efficiency of acoustic duct modes.
9. E. J. RICE 1978 AIAA Journal 16, 906-911. Multimodal far-field radiation pattern using mode cutoff ratio.
10. C. J. CHAPMAN 1996 Journal of Fluid Mechanics 313, 367-380. Sound radiation from a cylindrical duct. Part 2. Source modelling, nil-shielding directions, and the open-to-ducted transfer function.
11. C. J. CHAPMAN 1994 Journal of Fluid Mechanics 281, 293-311. Sound radiation from a cylindrical duct. Part 1. Ray structure of the duct modes and of the external field.
12. E. J. RICE, M. F. HEIDMANN and T. G. SOFRIN 1979 Paper No. AIAA-79-0183, presented at the American Institute of Aeronautics and Astronautics 17th Aerospace Sciences Meeting, New Orleans, LA, 15-17 January. Modal propagation angles in a cylindrical duct with flow and their relation to sound radiation.
13. J. B. KELLER 1957 Journal of Applied Physics 28, 426-444. Diffraction by an aperture I.
14. J. B. KELLER 1962 Journal of Optical Society of America 52, 116-130. Geometrical theory of diffraction.
15. A. M. CARGILL 1989 Internal Report TSG0426, Rolls-Royce, Derby, England. Kirchhoff diffraction theory applied to a bell-mouthed duct.
16. J. B. KELLER, R. M. LEWIS and B. D. SECKLER 1957 Journal of Applied Physics 28, 570-579. Diffraction by an aperture II.