Flight test results for uniquely tailored propulsion-airframe aeroacoustic chevrons: Shockcell noise

Collection of Technical Papers - 12th AIAA/CEAS Aeroacoustics Conference

Volumn 1, Issue , 2006, Pages 536-552

  Meugle, Vinod G ^a,c,d   Ganz, Ulrich W ^a,c   Nesbitt, Eric ^a,d,e   Bultemeier, Eric J ^a,c,d   Thomas, Russell H ^b,d,f  

^a BOEING COMPANY   (United States)

^b NASA LANGLEY RESEARCH CENTER   (United States)

^c Acoustics and Fluid Mechanics Dept

^d AIAA   (United States)

^e Noise Product Development   (United States)

^f Aeroacoustics Branch   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC LINING; AZIMUTHALLY VARYING CHEVRONS (AVC); PROPULSION-AIRFRAME AEROACOUSTIC CHEVRONS; THRUST COEFFICIENT;

ACOUSTIC NOISE; ACOUSTICS; AIRCRAFT; NOISE ABATEMENT; NOZZLES;

AERODYNAMICS;

EID: 33845756270     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (14)

1. Janardan, B.A., Hoff, G.E., Barter, J.W., Martens, S., Gliebe, P.R., Mengle, V. and Dalton, W.N., "AST Critical Propulsion and Noise Reduction Technologies for Future Commercial Subsonic Engines - Separate-Flow Exhaust System Noise Reduction Concept Evaluation," NASA/CR-2000-210039, Dec. 2000.
2. Mengle, V.G., Elkoby, R., Brusniak, L. and Thomas, R., "Reducing Propulsion Airframe Aeroacoustic Interactions with Uniquely Tailored Chevrons. 1. Isolated Nozzles," AIAA Paper No. 2006-2467.
3. Mengle, V.G., Elkoby, R., Brusniak, L. and Thomas, R., "Reducing Propulsion Airframe Aeroacoustic Interactions with Uniquely Tailored Chevrons. 2. Installed Nozzles," AIAA Paper No. 2006-2434.
4. Mengle, V.G., Brusniak, L., Elkoby, R. and Thomas, R., "Reducing Propulsion Airframe Aeroacoustic Interactions with Uniquely Tailored Chevrons. 3. Jet-Flap Interaction," AIAA Paper No. 2006-2435.
5. Herkes, W.H., Olsen, R. and Uellenberg, S, "The Quiet Technology Demonstrator Program: Flight Validation of Airplane Noise Reduction Concepts," AIAA Paper No. 2006-2720.
6. Nesbitt, E., Mengle, V.G., Czech, M., Callendar, B., and Thomas, R., "Flight Test Results for Uniquely Tailored Propulsion-Airframe Aeroacoustic Chevrons: Community Noise," AIAA Paper No. 2006-2438.
7. Harper-Bourne, M. and Fisher, M. J., "The Noise from Shock Waves in Supersonic Jets,'' Proceedings of the AGARD Conference on Noise Mechanisms, AGARD CP-131, Brussels, Belgium, pp. 1-13, 1973.
8. Tam, C. K. W. and Tanna, H. K., "Shock Associated Noise of Supersonic Jets from Convergent-Divergent Nozzles," Journal of Sound and Vibration, Vol. 81, 1982, pp. 337-358.
9. Norum, T. D. and Shearin, J. G., "Shock Structure and Noise of Supersonic Jets in Simulated Flight to Mach 0.4," NASA TP-2785, 1988.
10. Bhat, T. R. S., Ganz U. W., Guthrie A. R., "Acoustic and Flow Field Characteristics of Shockcell Noise from Dual Flow Nozzles," AIAA Paper 2005-2929.
11. Viswanathan, K., "Parametric Study of Noise from Dual-Stream Nozzles," J. Fluid Mech., 2004, Vol. 521, pp. 35-68.
12. Long, D. F., 2005, "Effect of Nozzle Geometry on Turbofan Shockcell Noise at Cruise," AIAA Paper 2005-0998.
13. Bull, M.K., "Wall-Pressure Fluctuations Associated with Subsonic Turbulent Boundary Layer Flow," J. Fluid Mech., 1967, Vol. 28, Part 4, pp. 719-754
14. Bultemeier, E., Ganz, U., Nesbitt, E., and Premo, J., "Effect of Uniform Chevrons on Cruise Shockcell Noise," AIAA Paper 2006-2440.