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TECHNICAL PAPERS

Stall Inception in the Compressor System of a Turbofan Engine

[+] Author and Article Information
Bernd Höss, Dirk Leinhos, Leonhard Fottner

Institut für Strahlantriebe, Universität der Bundeswehr München, D-85577 Neubiberg, Germany

J. Turbomach 122(1), 32-44 (Feb 01, 1998) (13 pages) doi:10.1115/1.555425 History: Received February 01, 1998
Copyright © 2000 by ASME
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References

Day, I. J., and Cumpsty, N. A., 1978, “The Measurement and Interpretation of Flow Within Rotating Stall Cells in Axial Compressors,” J. Mech. Eng. Sci., 20 .
Das,  D. K., and Jiang,  H. K., 1984, “An Experimental Study of Rotating Stall in a Multistage Axial-Flow Compressor,” ASME J. Eng. Gas Turbines Power, 106, pp. 542–551.
Poensgen,  C. A., and Gallus,  H. E., 1996, “Rotating Stall in a Single-Stage Axial Flow Compressor,” ASME J. Turbomach., 118, pp. 189–196.
Day,  I. J., 1993b, “Active Suppression of Rotating Stall and Surge in Axial Compressors,” ASME J. Turbomach., 115, pp. 40–47.
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McDougall,  N. M., Cumpsty,  N. A., and Hynes,  T. P., 1990, “Stall Inception in Axial Compressors,” ASME J. Turbomach., 112, pp. 116–125.
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Hoying, D. A., 1993, “Stall Inception in a Multistage High Speed Axial Compressor,” AIAA Paper No. 93-2386.
Tryfonidis,  M., Etchevers,  O., Paduano,  J. D., Epstein,  A. H., and Hendricks,  G. J., 1995, “Prestall Behavior of Several High-Speed Compressors,” ASME J. Turbomach., 117, pp. 62–80.
Day,  I. J., Breuer,  T., Escuret,  J., Cherrett,  M., and Wilson,  A., 1999, “Stall Inception and the Prospects for Active Control in Four High-Speed Compressors,” ASME J. Turbomach., 121, pp. 18–27.
Day,  I. J., 1993a, “Stall Inception in Axial Flow Compressors” ASME J. Turbomach., 115, pp. 7–9.
Escuret,  J. F., and Garniter,  V., 1996, “Stall Inception Measurements in a High-Speed Multistage Compressor,” ASME J. Turbomach., 118, pp. 690–696.
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Camp,  T. R., and Day,  I. J., 1998, “A Study of Spike and Modal Stall Phenomena in a Low-Speed Axial Compressor,” ASME J. Turbomach., 120, pp. 393–401.
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Figures

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LARZAC 04 C5 test engine
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Low-frequency instrumentation positions
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Positions of miniature pressure transducers
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Time-frequency resolution for (a) Fourier transform and (b) wavelet transform
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Magnitude plot of wavelet transform
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LP compressor characteristics
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LPC stage characteristics: (a) Stage 1, (b) Stage 2
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Pressure signals during stall inception at (a) 54 percent of these LPC rotor speed, (b) 78 percent rotor speed, (c) 90 percent rotor speed
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Temporal Fourier spectrum and band-pass filtered time domain signals at 54, 78, and 90 percent corresponding rotor speed
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Spatial Fourier coefficients at 54, 78, and 90 percent corresponding rotor speed
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PSD and TWE of the spatial Fourier coefficients at 54, 78, and 90 percent corresponding rotor speed
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Wavelet transform and statistical evaluation of the amplitude variations
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Spatial Fourier transform of low-pass filtered and unfiltered data at 86 percent rotor speed
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Low-pass filtered pressure signals and temporal Fourier transform at 84 percent rotor speed with 90 deg total pressure inlet distortion
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Statistical evaluation of wavelet transform coefficient for static pressure signal at LPC inlet with total pressure inlet flow distortion

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