Effects of bifurcations on aft-fan engine nacelle noise

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

Volumn 3, Issue , 2004, Pages 2128-2141

  Nark, Douglas M ^a,b   Farassat, F ^a,c   Pope, D Stuart ^a,d   Vatsa, V ^a,e  

^a NASA LANGLEY RESEARCH CENTER   (United States)

^b Structural Acoustics Branch   (United States)

^c Aeroacoustics Branch   (United States)

^d Analytical Services and Materials   (United States)

^e NONE   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC ENERGY; ACOUSTIC RADIATION; GEOMETRIC ELEMENTS; MULTI-BLOCK GEOMETRIES;

ACOUSTIC WAVE PROPAGATION; AERODYNAMICS; AIRCRAFT ENGINES; BIFURCATION (MATHEMATICS); ELECTROMAGNETIC WAVE ATTENUATION; FANS;

ACOUSTIC NOISE;

EID: 19944375128     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (4)

1. Nark, D. M., Farassat, F., Pope, D. S., and Vatsa, V., "The Development of the Ducted Fan Noise Propagation and Radiation Code CDUCT-LaRC," AIAA Paper 2003-1652, 2003.
2. Dougherty, R. P., "A Parabolic Approximation for Flow Effects on Sound Propagation in Nonuniform, Softwall, Ducts," AIAA Paper 99-1822, 1999.
3. Tyler, J. M. and Sofrin, T. G., "Axial Flow Compressor Noise Studies," SAE Transactions, Vol. 70, 1962. pp. 309-332.
4. Nark, D. M., Farassat, F., Pope, D. S., and Vatsa, V., "A Model for Shear Layer Effects on Engine Noise Radiation," AIAA Paper 2004-2992, 2004.