Investigation of acoustical shielding by a wedge-shaped airframe

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

Volumn 1, Issue , 2004, Pages 765-782

  Gerhold, Carl H ^a   Clark, Lorenzo R ^a   Dunn, Mark H ^b   Tweed, John ^b  

^a NASA LANGLEY RESEARCH CENTER   (United States)

^b OLD DOMINION UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC NOISE; ACOUSTIC WAVE SCATTERING; INTEGRAL EQUATIONS; MATHEMATICAL MODELS; PRESSURE EFFECTS; SHIELDING; WINGS;

ACOUSTICAL SHIELDING; BLENDED WING BODY (BWB); BOUNDARY INTEGRAL EQUATION METHOD (BIEM); SPATIAL RESOLUTION;

SUBSONIC AERODYNAMICS;

EID: 19644390948     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.2514/6.2004-2866     Document Type: Conference Paper

References (7)

1. th AIAA/CEAS Aeroacoustics Conference, May 10-12, 1999, Seattle, WA.
2. Dunn, M.H.: TBIEM3D - A Computer Program for Predicting Ducted Fan Engine Noise, Version 1.1. NASA/CR-97-206232 [1997].
3. Dunn, M.H., Tweed, J., Farassat, F., "The Application of a Boundary Integral Equation Method to the Prediction of Ducted Fan Engine Noise," Journal of Sound and Vibration, vol. 227, number 5 [1999], pgs. 1019-1048.
4. Gerhold, C.H. and Clark, L.R., "Database of Inlet and Exhaust Noise Shielding for a Wedge-Shaped Airframe," NASA/TM-2001-210840, April, 2001.
5. Hubbard, H.H. and Manning, J.C., "Aeroacoustic Research Facilities at NASA Langley Research Center," NASA TM 84585, March, 1983.
6. Koopmann, G., Song, L., and Fahnline, J.: "A Method for Computing Acoustic Fields Based on the Principal of Wave Superposition," Journal of the Acoustical Society of America, vol 86 [1989]. pgs. 2433-2438.
7. Ochmann, M.: "The Source Simulation Technique for Acoustic Radiation Problems," Acustica, vol. 81 [1995], pgs. 512-527.