Measurements of unsteady pressure fluctuations on the surface of an unswept, multi-element airfoil

3rd AIAA/CEAS Aeroacoustics Conference

Volumn , Issue , 1997, Pages 481-492

  Clifton Horne, W ^a   Hayes, Julie ^a   Ross, James C ^a   Storms, Brace L ^a  

^a NASA AMES RESEARCH CENTER   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC NOISE; MICROPHONES; NASA; REYNOLDS NUMBER; SIGNAL PROCESSING; WIND TUNNELS;

CROSS CORRELATIONS; HIGH-FREQUENCY NOISE; LOADING CONDITION; MICROPHONE ARRAYS; MULTI ELEMENT AIRFOILS; SURFACE PRESSURE MEASUREMENTS; SURFACE PRESSURES; UNSTEADY PRESSURES;

AEROACOUSTICS;

EID: 84977070951     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.2514/6.1997-1645     Document Type: Conference Paper

References (11)

1. Crighton, D. G., “Airframe Noise”, Aeroacoustics of Flight Vehicles: Theory and Practice. NASA RP1258, vol 1, August 1991.
2. Fink, M. R., and Schlinker, R. H., “Airframe Noise Component Interaction Studies”, AIAA 79-0668, AIAA 5th Aeroacoustics Conf., Seattle, Wash. Mar. 12-14, 1979.
3. Kendall, J. M., and Ahtye, W. F., “Noise Generation by a Lifting Wing/Flap Combination at Reynolds Numbers to 2. 8xl06”, AIAA #80-0035, AIAA 18th Aerospace Sciences Mtg., Pasadena, CA, Jan. 14-16, 1980.
4. Miller, W. R., Meecham, W. C., and Ahtye, W. F., “Large Scale Model Measurements of Airframe Noise Using Cross-Correlation Techniques”, J. Acoust. Soc. Am., 71(3), Mar., 1982.
5. McLnerny, S. A., Meecham, W. C., and Soderman, P. T., “Pressure Fluctuations in the Tip Region of a Blunt Tipped Airfoil”, AIAA J., 28(1), Jan, 1990, pp. 6-13.
6. Garg, A. K., and Leibovich, S., “Spectral Characteristics of Vortex Breakdown in Fluids”, Phys. Fluids, 22(11), Nov. 1979.
7. Ross, J. C., Storms, B. L., and Kumagai, H., “Aircraft Flyover Noise Reduction Using Lower-Surface Flap-Tip Fences”, NASA TM, to be published.
8. Storms, B. L., Takahashi, T. T., Home, C., Ross, J. C., Dougherty, R. P., and Underbrink, J. R., “Flap-Tip Treatments for the Reduction of Lift-Generated Noise”, NASA TM, to be published
9. Revell, J. D., Kuntz, H. L., Balena, F. J., Home, W. C., Storms, B. L., and Dougherty, R. P., AIAA 97-1646, “Trailing Edge Noise Reduction by Porous Acoustic Treatment”, AIAA/CEAS 3rd Aeroacoustics Conf., Atlanta, Ga., May 12-14, 1997.
10. Storms, B. L., Takahashi, T., and Ross, J. C., “Aerodynamic of a Simple Three-Dimensional High Lift System”, World Aviation Congress, Los Angeles, CA, Oct. 22-24, 1996.
11. Hayes, J., Home W., Soderman, P., and Bent, P., “Airframe Noise Characteristics of a 4. 7% DC-10 Model”, AIAA 97-1594, AIAA/CEAS 3rd Aeroacoustics Conference, Atlanta, Ga., May 12-14, 1997.