Competing broadband noise mechanisms in low-speed axial fans

AIAA Journal

Volumn 45, Issue 1, 2007, Pages 48-57

  Moreau, Stéphane ^a,c   Roger, Michel ^b,d  

^a VALEO   (France)

^b ECOLE CENTRALE DE LYON   (France)

^c Engine Cooling Fan Systems Core Competencies Group   (France)

^d LABORATOIRE DE MÉCANIQUE DES FLUIDES ET D ACOUSTIQUE   (France)

Author keywords

[No Author keywords available]

Indexed keywords

AUTOMOTIVE ENGINE COOLING; BROADBAND NOISE; SPEED AXIAL FANS; TURBULENCE-INGESTION NOISE;

AIRFOILS; BROADBAND NETWORKS; FANS; INGESTION (ENGINES); MATHEMATICAL MODELS; TURBULENCE; WIND TUNNELS;

SPURIOUS SIGNAL NOISE;

EID: 33846691147     PISSN: 00011452     EISSN: None     Source Type: Journal    
DOI: 10.2514/1.14583     Document Type: Article

References (32)

1. Caro, S., and Moreau, S., "Aeroacoustic Modeling of Low Pressure Axial How Fans," AIAA Paper 2000-2094, July 2000.
2. Hubbard, H. H., and Shepherd, K. P., "Aeroacoustics of Large Wind Turbines," Journal of the Acoustical Society of America, Vol. 89, No. 6, 1991, pp. 2495-2507.
3. Wright, S. E., "Acoustic Spectrum of Axial Flow Machines," Journal of Sound and Vibration, Vol. 45, No. 2, 1976, pp. 165-223.
4. Blake, W. K., "Statistical Description of Pressure and Velocity Fields at the Trailing Edge of a Flat Strut," David Taylor Naval Ship Research and Development Center Rept. 4241, Bethesda, Maryland, Dec. 1975.
5. Brooks, T. F., and Hodgson, T. H., "Trailing Edge Noise Prediction from Measured Surface Pressures," Journal of Sound and Vibration, Vol. 78, No. 1, 1981, pp. 69-117.
6. Schlinker, R. H., and Amiet, R. K., "Helicopter Trailing Edge Noise," NASA CR-3470, 1981.
7. Arbey, H., and Bataille, J., "Noise Generated by Airfoil Profiles Placed in a Uniform Laminar Flow," Journal of Fluid Mechanics, Vol. 134, 1983, pp. 33-47.
8. Garcia, P., and Gérard, P., "Bruit d'un Profil Dans un Écoulement," ONERA TP 1984-155, Nov. 1984;
9. also La Recherche Aérospatiale (English version), Vol. 3, 1989, pp. 1-7.
10. Ffowcs Williams, J. E., and Hall, L. H., "Aerodynamic Sound Generation by Turbulent Flow in the Vicinity of a Scattering Half-Plane," Journal of Fluid Mechanics, Vol. 40, No. 4, 1970, pp. 657-670.
11. Amiet, R. K., "Acoustic Radiation from an Airfoil in a Turbulent Stream," Journal of Sound and Vibration, Vol. 41, No. 4, 1975, pp. 407-120.
12. Paterson, R. W., and Amiet, R. K., "Acoustic Radiation and Surface Pressure Characteristics of an Airfoil due to Incident Turbulence," NASA CR 2733, 1976.
13. Amiet, R. K., "Noise Due to Turbulent Flow Past a Trailing Edge," Journal of Sound and Vibration, Vol. 47, No. 3, 1976, pp. 387-393.
14. Amiet, R. K., "Effect of the Incident Surface Pressure Field on Noise Due to Turbulent Flow Past a Trailing Edge," Journal of Sound and Vibration, Vol. 57, No. 2, 1978, pp. 305-306.
15. Howe, M. S., "Review of the Theory of Trailing-Edge Noise," Journal of Sound and Vibration, Vol. 61, No. 3, 1978, pp. 437-465.
16. Paterson, R. W., and Amiet, R. K., "Noise of a Model Helicopter Rotor Due to Ingestion of Turbulence," NASA CR 3213, 1979.
17. Brooks, T. F., Marcolini, M. A., and Pope, D. S., "Airfoil Self-Noise and Prediction," NASA RP-1218, 1989.
18. Wang, M., and Moin, P., "Computation of Trailing-Edge Flow and Noise Using Large-Eddy Simulation," AIAA Journal, Vol. 38, No. 12, 2000, pp. 2201-2209.
19. Manoha, E., Delahay, C., Sagaut, P., Mary, I., Ben Khelil, S., and Guillen, P., "Numerical Prediction of the Unsteady Flow and Radiated Noise from a 3D Lifting Airfoil," AIAA Paper 2001-2133, 2001.
20. Oberal, A., Roknaldin, F., and Hughes, T. J. R., "Computation of Trailing Edge Noise Due to Turbulent Flow over an Airfoil," AIAA Journal, Vol. 40, No. 11, 2002, pp. 2206-2216.
21. Roger, M., and Moreau, S., "Trailing Edge Noise Measurements and Prediction for Subsonic Loaded Fan Blades," AIAA Journal, Vol. 42, No. 3, 2004, pp. 536-544.
22. Moreau, S., and Roger, M., "Effect of Airfoil Aerodynamic Loading on Trailing Edge Noise Sources," AIAA Journal, Vol. 43, No. 1, 2005, pp. 41-52.
23. Roger, M., Moreau, S., and Guedel, A., "Broadband Fan Noise Prediction Using Single Airfoil Theory," Noise Control Engineering Journal, Vol. 54, No. 1, 2006.
24. Landahl, M., Unsteady Transonic Flow, Pergamon, NY, 1961.
25. Roger, M., and Moreau, S., "Back-Scattering Correction and Further Extensions of Amiet's Trailing Edge Noise Model, Part 1: Theory," Journal of Sound and Vibration, Vol. 286, No. 3, 2005, pp. 477-506.
26. Moreau, S., Henner, M., Iaccarino, G., Wang, M., and Roger, R., "Analysis of Flow Conditions in Free-Jet Experiments for Studying Airfoil Self-Noise," AIAA Journal, Vol. 41, No. 10, 2003, pp. 1895-1905.
27. Adamczyk, J. J., "Passage of an Infinite Swept Airfoil Through an Oblique Gust," NASA CR 2395, 1974.
28. Moreau, S., Roger, M., and Jurdic, V., "Effect of Angle of Attack and Airfoil Shape on Turbulence-Interaction Noise," AIAA Paper 2005-2973, May 2005.
29. Roger, M., and Moreau, S., "Diffraction and Refraction Effects in Trailing-Edge Noise Free-Jet Experiments," CFA/DAGA 2004 Congress, pp. 821-822.
30. Fink, M. R., "Experimental Evaluation of Theories for Trailing Edge and Incidence Fluctuation Noise," AIAA Journal, Vol. 13, No. 11, 1975, pp. 1472-1477.
31. Arbey, H., "Contribution à l'Étude des Mécanismes de l'Émission Sonore de Profils Aérodynamiques Placés Dans des Écoulements Sains ou Perturbés," Ph.D. Dissertation in Acoustics, No. 81-47, Univ. Claude Bernard, Lyon, France, Sept. 1981.
32. Willmarth, W. W., and Roos, F. W., "Resolution and Structure of the Wall Pressure Field Beneath a Turbulent Boundary Layer," Journal of Fluid Mechanics, Vol. 22, No. 1, 1965, pp. 81-94.