Mechanisms of slat noise production in a 2D multielement airfoil configuration

7th AIAA/CEAS Aeroacoustics Conference and Exhibit

Volumn , Issue , 2001, Pages

  Olson, Susan ^a   Thomas, Flint O ^a   Nelson, Robert C ^a  

^a University of Notre Dame   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC MEASURING INSTRUMENTS; ACOUSTIC VARIABLES MEASUREMENT; AEROACOUSTICS; AERODYNAMICS; AIRCRAFT; FLOW VISUALIZATION; NOISE POLLUTION; SHEAR FLOW; SMOKE; WIND TUNNELS;

ACOUSTIC MEASUREMENTS; ACOUSTIC REFLECTION; AERODYNAMIC MECHANISM; COMMERCIAL AIRCRAFT; FEEDBACK MECHANISMS; MULTI ELEMENT AIRFOILS; NOISE CHARACTERISTIC; VISUALIZATION RESULTS;

ACOUSTIC NOISE;

EID: 85087605591     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.2514/6.2001-2156     Document Type: Conference Paper

References (22)

1. Thomas, F. O., Nelson, R. C. and Liu, X., (1998) "An Experimental Investigation of Unsteady Effects in a High-Lift System." AIAA Paper 98-0704.
2. Olson, Susan, Thomas, F. O. and Nelson, R. C., (2000) "A Preliminary Investigation into Slat Noise Production Mechanisms in a High-lift Configuration." AIAA Paper 2000-2508.
3. Parker, R., (1966) "Resonance Effects in Wake Shedding from Parallel Plates: Some Experimental Observations." Journal of Sound and Vibration, vol. 4(1), pp. 62-72.
4. Parker, R., (1967) "Resonance Effects in Wake Shedding from Parallel Plates: Calculation of Resonant Frequencies." Journal of Sound and Vibration, vol. 5 (2), pp. 330-343.
5. Parker, R. and Griffiths, W. M., (1968) "Low Frequency Resonance Effects in Wake Shedding from Parallel Plates." Journal of Sound and Vibration, vol. 7 (3), pp. 371-379.
6. Thomas, F. O., Nelson, R. C. and Liu, X., (2000) "Experimental Investigation of the Confluent Boundary Layer of a High-lift System" AIAA Journal, v. 38, pp. 978-988.
7. Alien, C. S. and Soderman, P. T., (1998) "Effect of Freestream Turbulence on the Flow-Induced Background Noise of In-Flow Microphones." AIAA/CEAS Paper 98-2297.
8. Soderman, Paul T., Schmitz, Fredric H., Alien, Christopher S., Jaeger, Stephen M., Sacco, Joe N. and Hayes, Julie A., (1999) "Design of a Deep Acoustic Lining for the 40-by 80-foot Wind Tunnel Test Section." AIAA Paper 99-1938.
9. Wilby, J. F. and White, P. H., (1985) "An Analysis of Sound Absorbing Linings for the Interior of the NASA Ames 80xl20-foot Wind Tunnel." NASA CR-177396.
10. Shultz, Theodore J. (1986). Acoustical Uses for Perforated Metal: Principles and Applications. Industrial Perforators Association, Inc.
11. Paterson, Robert W., Vogt, Paul G. and Fink, Martin R., (1973) "Vortex Noise of Isolated Airfoils." Journal of Aircraft, vol. 10, pp. 296-302.
12. Tarn, Christopher K. W., (1974) "Discrete Tones of Isolated Airfoils." Journal of the Acoustical Society of America, vol. 55, pp. 1173-1177.
13. Archibald, F. S., (1975) "The Laminar Boundary Layer Instability Excitation of an Acoustic Resonance." Journal of Sound and Vibration, vol. 38, pp. 387-402.
14. Arbey, H., and Bataille, J., (1983) "Noise Generated by Airfoil Profiles Place in a Uniform Laminar Flow." Journal of Fluid Mechanics, vol. 134, pp. 33-47.
15. McAlpine, A., Nash, E. C. and Lowson, M. V., (1999) "On the Generation of Discrete Frequency Tones by the Flow Around and Aerofoil." Journal of Sound and Vibration, vol. 222, pp. 753-779.
16. Khorrami, Mehdi R., Berkman, Mert E., Choudhari, Meelan, Singer, Bart A., Lockard, David P. and Brentner, Kenneth S., (1999) "Unsteady Flow Computations of a Slat with a Blunt Trailing Edge." AIAA Paper 99-1805.
17. Singer, Bart A., Lockard, David P., Brentner, Kenneth S., Khorrami, Mehdi R., Berkman, Mert E. and Choudari, Meelan, (1999) "Computational Aeroacoustic Analysis of Slat Trailing-Edge Flow." AIAA Paper 99-1802.
18. Storms, Bruce L., Hayes, Julie A., Moriarty, Patrick J. and Ross, James C., (1999) "Aeroacoustic Measurements of Slat Noise on a Three-Dimensional High-Lift System." AIAA Paper 99-1957.
19. Paschal, K, Jenkins, L. and Yao, C., (2000) "Unsteady Slat-Wake Characteristics of a High-Lift Configuration." AIAA Paper 2000-0139.
20. Obremski, H. J., Morkovin, M. V. and Landahl, M., (1969) "A Portfolio of Stability Characteristics of Incompressible Boundary Layers." AGARD-ograph No. 134.
21. Hammond, D. A. and Redekopp, L. G., (1997) "Global Dynamics of Symmetric and Asymmetric Wakes." Journal of Fluid Mechanics, vol. 331, pp. 231-260.
22. Woodley, B. M. and Peake, N., (1997) "Global Linear Stability Analysis of Thin Aerofoil Wakes." Journal of Fluid Mechanics, vol. 339, pp. 239-260.