On the azimuthal mode structure of rotating blade flow instabilities in axial turbomachines

2nd AIAA/CEAS Aeroacoustics Conference

Volumn , Issue , 1996, Pages

  Liu, J M ^a   Holste, F ^b   Neise, W ^b  

^a BEIHANG UNIVERSITY   (China)

^b GERMAN AEROSPACE CENTER DLR   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

AEROACOUSTICS; FLOW PATTERNS; ROTATING MACHINERY; TURBINES; TURBOMACHINE BLADES;

AXIAL TURBOMACHINES; AZIMUTHAL STRUCTURES; EXPERIMENTAL INVESTIGATIONS; FLOW INSTABILITIES; FREQUENCY VARIATION; ROTATING INSTABILITY; TIP CLEARANCE NOISE; UNSTEADY PRESSURES;

STABILITY;

EID: 84977118070     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.2514/6.1996-1741     Document Type: Conference Paper

References (19)

1. F Kameier, T. Nawrot and W. Neise 1992 Proceedings of the 14th DGLR/AIAA-Aeroacoustics Conference, Aachen, Germany. Paper No.: DGLR/AIAA 92-02-040. Deutsche Gesettschaft far Luft-und Raumfahrt-Lilienthal-Oberth e.V. (DGLR) Bonn, Germany DGLR Report 92-03, 250-259. Experimental investigation of tip clearance noise in axial flow machines.
2. F. Kameier 1994 Fortschritt Berichte VDI Reihe 7, Nr. 243, Verein Deutscher Ingenieure, VDI Verlag GmbH, Dusseldorf, Germany (Doctoral Dissertation, Technische Universitat Berlin). Experimentelle Untersuchung zur Entstehung und Minderung des Blatt-spitzen-Wirbellarms axialer Stromungsmaschinen.
3. F. Kameier and W. Neise 1995 Proc. First Joint CEAS/AIAA Aeroacoustics Conference (16th AIAA Aeroacoustics Conference), Munich, Germany, June 12-15 Paper CEAS/AIAA-95-026, Deutsche Gesellschaft for Luft-und Raumfahrt-Lilienthal-Oberth e.V. (DGLR) Bonn, Germany, DGLR-Report 95-01, 157-166. Rotating blade flow instability as a source of noise in axial turbomachines.
4. F. Kameier and W. Neise 1996 To be published in Transactions of the ASME, Journal of Turbomachinery. Experimental study of tip cearance losses and noise in axial turbomachines and their reduction.
5. F. Holste, F. 1995 Fortschritt Berichte VDIReihe 7, Nr. 272, Verein Deutscher Ingenieure, VDI Verlag GmbH, D&sseldorf, Germany (Doctoral Dissertation, Technische Universitat Berlin). Ermittlung der aerodynamischen Larmquellen und Berechnung des abgestrahlten Schallfeldes mittels der im Nahfeld gemessenen Druckschwankungen am Beispiel eines Triebwerksmodells.
6. F. Holste and W. Neise 1995 Proceedings of the First Joint CEAS/AIAA Aeroacoustics Conference (16th AIAA Aeroacoustics Conference), Munich, June 12-15, 1995. Paper CEAS/AIAA-95-178, Deutsche Gesellschaft for Luft-und Raumfahrt-Lilienthal-Oberth e.V. (DGLR) Bonn, Germany, DGLR-Report 95-01, 1221-1229. Acoustical near field measurements on a propfan model for noise source identification.
7. M.H. Krane, P.H. Bent and D. A. Quinlan 1995 Turbomachinery Noise Symposium, ASME-Winter Annual Meeting, San Francisco. Rotating instability waves as a noise source in a ducted axial fan.
8. F. Kameier and W. Neise 1995 Proc. AGARD PEP 85th Meeting on Loss Mechanisms and Unsteady Flows in Turbomachines. 8.-12. May, Derby, UK. Reduction of tip clearance loss and tip clearance noise in axial-flow machines.
9. M. Baumgartner, F. Kameier and J. Hourmouziadis 1995: Twelfth International Symposium on Airbreathing Engines, Melbourne, Australia, 10-15 Sep. 1995. Non engine order blade vibration in a high speed compressor.
10. L. Mongeau 1991 PhD-thesis, The Pennsylvania State University. Experimental study of the mechanism of sound generation by rotating stall in centrifugal turbomachines.
11. P. K. Bent, D.K. McLaughlin, D.E. Thompson 1992 Proceedings of the 14th DGLR/AIAA-Aeroacoustics Conference, Aachen, Germany, Paper No.: 92-02-099. Deutsche Gesellschaft for Luft-und Raumfahrt-Lilienthal-Oberth e.V. (DGLR), Bonn, Germany DGLR Report 92-03, 607-614. Influence of discharge configuration on the generation of broadband noise in centrifugal turbomachinery.
12. L. Mongeau, D.E. Thompson, and D.K. McLaughlin 1993 Journal of Sound and Vibration 163, 1-30. Sound generation by rotating stall in centrifugal turbomachines.
13. L.G. Tetu, D.E. Thompson and D.K. McLaughlin 1995 Turbomachinery Noise Symposium, ASME-Winter Annual Meeting, San Francisco. Noise produced by large scale instability modes in centrifugal turbomachinery.
14. DIN 24 163 Teil 1-3 1985 Deutsche Norm, Deutsches Institut for Normung e.V, Berlin, Germany. Ventilatoren, Leistungsmessung.
15. ISO 5136 1990 International Standard, International Organisation for Standardization. Acoustics-Determination of sound power radiaded into a duct by fans-In-duct method.
16. J.M. Tyler and T.G. Sofrin 1962 Transactions of the Society of Automotive Engineers 70, 309-332. Axial flow compressor noise studies.
17. N.A. Cumpsty 1977 Journal of Fluids Engineering 99, 278-293. Review-A critical review of turbomachinery noise. Transactions of the American Society of Mechanical Engineers
18. T. Nawrot 1992 Diploma-thesis; Hermann-FOttinger-Institut fur Thermo-und Fluiddynamik, Technische Universitat Berlin, Germany Experimentelle Untersuchung zum Entstehungsmechanismus des Spitzenwirbellarms an einer axialen Stromungsmaschine.
19. J.S. Bendat and A.G. Piersol 1980, Engineering Applications of Correlation and Spectral Analysis. John Wiley & Sons, New York.