A theoretical study on aircraft engine acoustic liner optimization and correlation with NASA Advanced Ducted Propulser (ADP) test

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

Volumn 3, Issue , 2004, Pages 2628-2649

  Chien, Eugene W ^a  

^a Goodrich Aerostructures Group   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ADVANCED DUCTED PROPULSOR (ADP); ADVANCED SUBSONIC TECHNOLOGY (AST); NASA; NOISE ATTENUATION;

ACOUSTIC IMPEDANCE; AIRCRAFT ENGINES; ATTENUATION; BOUNDARY CONDITIONS; DUCTS; EIGENVALUES AND EIGENFUNCTIONS; EQUATIONS OF STATE; PROPULSION;

ACOUSTIC NOISE;

EID: 19944392283     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (10)

1. P. Mungur and H. E. Plumblee, "Propagation and Attenuationof Sound in s Soft walled annular duct containing a sheared flow" 1969 NASA SP-207, 305-327.
2. A. V. Saule, "Modal Structure Inferred from Static Far-Field Noise Directivity" AIAA Paper 76-574, Palo Alto, California, 1976.
3. E. J. Rice and David T. Sawdy, "A Theoretical Approach to Sound Propagation and Radiation for Ducts with Suppressors", NASA Technical Memorandum 82612, Ottawa, Ontario, Canada, May 18-22, 1981.
4. G. Zlavog and W. Eversman, "Source Effects on Realized Attenuation in Lined Ducts", AIAA Paper 2003-3247.
5. Danda Roy and W.Eversman, "Improved finite element modeling of the turbofan engine inlet radiation problem" 1995 ASME Journal of Vibration and Acoustics 117(1), January, 1995, 109-115.
6. W.Eversman and D.Okunbor, "Aft fan duct acoustic radiation" 1998 Journal of Sound and Vibration 213(2), 235-257.
7. W.Eversman, "The boundary condition at an impedance wall in a nonuniform duct with potential mean flow" 2001 Journal of Sound and Vibration 246(1), 63-69.
8. nd ed., McGraw Hill, New York.
9. Konstantin A. Kurbatskii and Christopher K. W. Tam, "Micro-Fluid dynamics of a Resonant Liner in a Grazing Flow" AIAA Paper 2000-1951.
10. D. Elliott and J. H. Dittmar, "Some Acoustic Results form the NASA/Pratt and Whitney Advanced Ducted Propulser Model" AIAA Paper 2000-0351.