Characteristics of penalty mode scattering by rigid splices in lined ducts

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

Volumn 2, Issue , 2005, Pages 1243-1251

  Bi, W P ^a   Pagneux, V ^a,b   Lafarge, D ^a,b   Auregan Y ^a,b  

^a UNIVERSITÉ DU MAINE   (France)

^b CNRS   (France)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC WAVE PROPAGATION; ACOUSTIC WAVES; ACOUSTICS; AERODYNAMICS; MODULATION; RIGIDITY;

LINED DUCTS; RIGID SPLICES; SOUND PRESSURE LEVEL;

DUCTS;

EID: 29244452649     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.2514/6.2005-2897     Document Type: Conference Paper

References (5)

1. Sarin S. L. and Rademaker E. R., "In Flight Acoustic Mode Measurements in the Turbofan Engine Inlet of Fokker 100 Aircraft," AIAA paper 93-4414, 1993.
2. Rademaker E. R., Sarin S. L., and Parente C. A., "Experimental Investigation on the Influence of Liner Non-Uniformities on Prevailing Modes," AIAA paper 96-1682, 1996.
3. Regan B. and Eaton J., "Modeling the Influence of Acoustic Liner Non-Uniformities on Duct Modes," J. Sound Vib., Vol. 219, 1999, pp859-879.
4. McAlpine A., Wright M. C. M., Batard H., and Thezelais S., "Finite/Voundary Element Assessment of a Turbofan Splices Intake Liner at Supersonic Fan Operating Conditions," AIAA paper 2003-3305, 2003.
5. BI W. P., Lafarge D., Pagneux V., and Aurégan Y., "Modelling of Sound Propagation in a Non-Uniform Lined Duct Using a Multi-Modal Propagation Method," J. Sound Vib., in press.