Optimization of sensor arrays for radial mode analysis in flow ducts

Collection of Technical Papers - 12th AIAA/CEAS Aeroacoustics Conference

Volumn 5, Issue , 2006, Pages 3073-3092

  Tapken, U ^a,b   Enghardt, L ^a,b  

^a Department of Fan and Compressor   (Germany)

^b NONE   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC WAVE PROPAGATION; AERODYNAMICS; DUCTS; OPTIMIZATION; SENSORS; SWIRLING FLOW;

COMPUTATIONAL AERO ACOUSTIC (CAA); RADIAL MODE ANALYSIS (RMA); SENSOR ARRAYS; UPSTREAM PROPAGATING MODES;

ACOUSTIC ARRAYS;

EID: 33845631900     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (22)

1. Bolleter, U., and Crocker, M.J., "Theory and Measurement of modal spectra in hard-walled cylindrical ducts", Journal of the Acoustical Society of America, Vol. 51, 1972, pp. 1439-1447.
2. Moore, C.J., "Measurement of Radial and Circumferential Modes in Annular and Circular Ducts", Journal of Sound and Vibration, Vol. 62(2), 1979, pp. 235-256.
3. Joppa, P.D., "Acoustic Mode Measurements in the Inlet of a Turbofan Engine", AIAA Journal of Aircraft, Vol. 24, No. 9, 1987.
4. Heidelberg, L. and Hall, D.G., "Inlet Acoustic Mode Measurements Using a Continuously Rotating Rake", AIAA Journal of Aircraft, Vol. 32, No. 4, 1996.
5. Holste, F., and Neise, W., "Noise Source Identification in a Propfan Model by Means of Acoustical Near Field Measurements", Journal of Sound and Vibration, Vol. 203(4), 1997, pp. 641-665.
6. th German Acoustic DAGA Conference, Paper 3pPA5, ISBN 3-9804568-5-4, 1999.
7. th IAA / CEAS Aeroacoustic Conference and Exhibit, June 2002, Breckenridge, United States, Paper No. 2002-2563, 2002.
8. Sutliff, D.L., "Rotating Turbofan Duct Mode Measurement System" NASA TM-213828, October 2005.
9. Enghardt, L., F., Tapken, U., Neise, W., Schimming, P, Maier, R., and Zillmann, J., "Active Control of Fan Noise from High-Bypass Aeroengines: Experimental Results", The Aeronautical Journal of the Royal Aeronautical Society, Sept. 2002, pp. 501-506.
10. th AIAA / CEAS Aeroacoustic Conference, Monterey, May 2005, United States, Paper No. 2005-2833, 2005.
11. th AIAA / CEAS Aeroacoustic Conference, May 2001, Maastricht, Netherlands, Paper No. 2001-2153, 2001.
12. Atassi, H.M., Ali, A.A., Atassi, O.V., and Vinogradov, I.V., "Scattering of Incident Disturbances by an Annular Cascade in a Swirling Flow", Journal of Fluid Mechanics, Vol. 499, 2004, pp. 111-138.
13. Kornow, O., "Der Einfluss des radialen Strömungsprofils auf die Schallausbreitung von höheren Moden in zylindrischen und koaxialen Strömungskanälen", DLR-IB 92517-2005/B1, 2005.
14. Kerrebrock, J.L., "Small Disturbances in Turbomachine Annuli with Swirl", AIAA Journal, Vol. 15, June 1977, pp. 794-803.
15. Chung, J.Y., "Rejection of Flow Noise using a Choherence Function Method", Journal of the Acoustical Society of America, Vol. 62, 1977, pp. 388-395.
16. Michalke, A., Arnold, F., and Holste, F.,"On the Coherence of the Sound Field in a Circular Duct with Uniform Mean Flow," Journal of Sound and Vibration, Vol. 190(2), 1996, pp. 261-271.
17. nd Edition, 1992.
18. Nelson, P.A., and Yoon, S.H.,"Estimation of Acoustic Source Strength by Inverse Methods: Part I, Conditioning of the Inverse Problem", Journal of Sound and Vibration, Vol. 233(4), 2000, pp. 643-668.
19. Kim, Y., and Nelson, P.A.,"Optimal Regularisation of Acoustics Source Reconstruction by Inverse Methods", Journal of Sound and Vibration, Vol. 275, 2004, pp. 463-487.
20. Munjal, M.L., Acoustics of Ducts and Mufflers, John Wiley & Sons, New York, 1997.
21. Morfey, C.L.,"Sound Transmission and Generation in Ducts with Flow", Journal of Sound and Vibration, Vol. 14(1), 1971, pp. 37-55.
22. Rienstra, S.W., and Hirschberg, A., "An Introduction to Acoustics", Report IWDE 01-03 May 2001 (URL: http://www.win.tue.nl/ %7Esjoerdr/papers/boek.pdf), Eindhoven University of Technology, 2001.