Influence of lean and sweep on noise of cascades with turbulent inflow

5th AIAA/CEAS Aeroacoustics Conference and Exhibit

Volumn , Issue , 1999, Pages 417-425

  Hanson, Donald B ^a  

^a PRATT AND WHITNEY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC NOISE; AIRFOILS; DUCTS; STATORS;

ACOUSTIC THEORY; CASCADE SYSTEMS; DOWN STREAM; DUCT SYSTEMS; RADIAL ORIENTATION; STATOR VANE; SWEEP ANGLE;

AEROACOUSTICS;

EID: 84983109467     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.2514/6.1999-1863     Document Type: Conference Paper

References (14)

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2. Envia, E. and Kerschen, E. J., “Noise Generated by Converted Gusts Interacting with Swept Airfoil Cascades,” Presented at the AIAA 10th Aeroacoustics Conference, Seattle, Washington, July 1986.
3. Schulten, J.B.H.M., “Sound Generated by Rotor Wakes Interacting with a Leaned Vane Stator,” AIAA Journal, Vol. 20. No, 10, 1982, pp. 1352­-1358.
4. Schulten, J.B.H.M., “Vane Sweep Effects on Rotor/Stator Interaction Noise,” Presented as Paper No. 96-1964 at 2nd AAIA/CEAS Aeroacoustics Conference, State College, PA, May 6-8, 1996.
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8. Breit, S. R. and Dickinson, A. L., “BBN-BBN - A Broadband Noise Analysis Code for Propellers and Appendages”, BBN Report No. 7298, BBN Systems and Technologies Corp., Cambridge, MA, 1990.
9. D. B. Hanson, “Theory for Broadband Noise of Rotor and Stator Cascades with Inhomogeneous Inflow Turbulence - Including Effects of Lean and Sweep”, NASA Contractor Report to be published late in 1999.
10. Morin, B. L., “Broadband Fan Noise Prediction System for Gas Turbine Engines,” Paper No. 99­1889, Presented at AIAA/CEAS 5th Aeroacoustics Conference, Seattle, Washington, May 10-12, 1999.
11. Glegg, S. A. L., “The Response of a Swept Blade Row to a Three Dimensional Gust”, under review by the Journal of Sound and Vibration.
12. Goldstein, M. E., Aeroacoustics, McGraw-Hill, New York, 1976.
13. Hanson, D.B., “Turbulence / Cascade Interaction: Spectra of Inflow, Cascade Response, and Noise”, Paper 98-2319, AIAA/CEAS 4th Aeroacoustics Conference, Toulouse, France, June 2-4, 1998.
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