Fundamental investigations of airframe noise

4th AIAA/CEAS Aeroacoustics Conference

Volumn , Issue , 1998, Pages 123-132

  Macaraeg, M G ^a  

^a NASA LANGLEY RESEARCH CENTER   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC NOISE; ACOUSTICS; AIRFRAMES; NASA; NAVIER STOKES EQUATIONS; PAINT; REYNOLDS NUMBER; STRUCTURAL FRAMES; VELOCIMETERS; VELOCITY MEASUREMENT;

ACCURATE CALCULATIONS; DIRECTIVITY MEASUREMENTS; FLIGHT REYNOLDS NUMBERS; NASA LANGLEY RESEARCH CENTER; NUMERICAL AND EXPERIMENTAL STUDY; PRESSURE SENSITIVE PAINTS; REYNOLDS AVERAGED NAVIER STOKES CODES; UNSTEADY PRESSURE MEASUREMENTS;

AEROACOUSTICS;

EID: 0342355598     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.2514/6.1998-2224     Document Type: Conference Paper

References (22)

1. Willshire, W.L. and Stephens, D.G.: "Aircraft Noise Technology for the 21st Century", NOISECON 98.
2. Goldin, Daniel S.: "Turning Goals into Reality," presented at World Aviation Congress, Los Angeles, CA, Oct. 15, 1997.
3. Crighton, D.G.: "Airframe Noise in Aeronautics of Flight Vehicles: Theory and Practice," Vol. 1; Noise Sources, NASA RP 1258, pp. 391-447, 1991.
4. Sen, R.: "A Study of Unsteady Fields Near Leading-edge Slats," AIAA 97-1696, 1997.
5. Radezrsky, R.H., Singer, B.A., and Khorrami, M.R.: "Detailed Measurements of a Flap Side- Edge Row Field," AIAA 98-0700, 1998.
6. Takallu, M.A., and Laflin, K.R.: "Reynolds- Averaged Navier-Stokes Simulations of Two Partial-Span Flap Wing Experiments," AIAA 98- 0701,1998.
7. Khorrami, M.R., Singer, B.A. and Radeztsky, R.H.: "Reynolds Averaged Navier-Stokes Computations of a Flap Side-Edge Flow Field," AIAA 98-0768, 1998.
8. Streett, C.L.: Numerical Simulation of Fluctuations Leading to Noise in a Flap-Edge Flowfield," AIAA 98-0628, 1998.
9. Khorrami, M.R., and Singer, B.A.: "Stability Analysis for Noise-Source Modeling of a Part- Span Flap," AIAA 98-2225, 1998.
10. Meadows, K.R., Brooks, T.F., Gerhold, C.H., Humphreys, W M. and Hunter, W.W.: Acoustic and Unsteady Surface Pressure Measurements of a Main Element-Flap Configuration," AIAA-97- 1595.
11. Humphreys, W.M., Brooks, T.F., Hunter, W.W., and Meadows, K.R.: "Design and Use of Microphone Directional Arrays for Aeroacoustic Measurements," AIAA 98-0471, 1998.
12. McGhee, R.J., Beasley, W.D., and Foster, J. M.: "Recent Modifications and Calibration of the Langley Low-Turbulence-Pressure-Tunnel," NASA TP-2328, 1984.
13. Storms, B.L., Takahashi, T.T., and Ross, J.C.: "Aerodynamic Influence of a Finite-Span Flap on a Simple Wing," SAE Paper 951977, 1995.
14. Experiment performed by Barry Lazos at NASA Langley Research Center.
15. Home, C.F., Hayes, J., and Ross, J.C.: "Measurements of Unsteady Pressure Fluctuations on the Surface of an Unswept Multi-Element Airfoil," AIAA 97-1645, 1997.
16. Morgan, H.L., Jr..: "Model Geometry Description and Pressure Distribution Data from Tests of EET High-Lift Research Model Equipped with Full- Span Slat and Part-Span Flaps," NASA TM-80048, 1979.
17. Underbrink, J.R. and Dougherty, R.P.: "Array Design for Non-intrusive Measurements of Noise Sources," NOISECON96, 1996.
18. Hayes, J.A., Home, C.W., and Bent, P.H.: "Airframe Noise Characteristics of a 4.7% Scale DC-10 Model," AIAA-97-1594-CP, 1997.
19. Anderson, W.K., Rausch, R.D. and Bonhaus, D.L.: "Implicit/Multigrid Algorithms for Incompressible Turbulent Flows on Unstructured Grids," Journal of Computational Physics, vol. 128, pp. 391-408, 1996.
20. Mavriplis, D.J., and Venkatakrishnan, V.: "A Unified Solver for Navier-Stokes Equations on Mixed Element Meshes," International Journal for Computational Fluid Dynamics," vol. 8, pp. 247-263, 1997.
21. PIV measurements performed in the NASA LaRC BART facility by L. Jenkins, P. Yao, and K. Paschal.
22. Streett, C.L.: "Numerical Simulation of a Flap- Edge Flowfield," AIAA 98-2226, 1998.