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TECHNICAL PAPERS

Effect of Stator Design on Stator Boundary Layer Flow in a Highly Loaded Single-Stage Axial-Flow Low-Speed Compressor

[+] Author and Article Information
Jens Friedrichs, Günter Kosyna

Pfleiderer-Institute, TU Braunschweig, Braunschweig, Germany

Sven Baumgarten

Research Department, KSB AG, Frankenthal, Germany

Udo Stark

Fluid Mechanics Institute, TU Braunschweig, Braunschweig, Germany

J. Turbomach 123(3), 483-489 (Feb 01, 2000) (7 pages) doi:10.1115/1.1370168 History: Received February 01, 2000
Copyright © 2001 by ASME
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References

Multhopp, H., 1950, “Methods for Calculating the Lift Distribution of Wings (Subsonic Lifting-Surface Theory),” Aeronautical Research Council, Reports and Memoranda, No. 2884.
Küchemann, D., 1952, “A Simple Method for Calculating the Span and Chordwise Loading on Straight and Swept Wings of Any Given Aspect Ratio at Subsonic Speeds,” Aeronautical Research Council, Reports and Memoranda, No. 2935.
Mohammed,  K. P., and Prithviraj,  D., 1977, “Investigation on Axial Flow Fan Impellers With Forward Swept Blades,” ASME J. Turbomach., 99, pp. 543–547.
Tweedt,  D. W., Okiishi,  T. H., and Hathaway,  M. D., 1986, “Stator Endwall Leading-Edge Sweep and Hub Shroud Influence on Compressor Performance,” ASME J. Turbomach., 108, pp. 224–232.
Wennerstrom,  A. J., and Puterbaugh,  S. W., 1984, “A Three-Dimensional Model for the Prediction of Shock Losses in Compressor Blade Rows,” ASME J. Eng. Gas Turbines Power, 106, pp. 295–299.
Wadia,  A. R., Szucs,  P. N., and Crall,  D. W., 1998, “Inner Workings of Aerodynamic Sweep,” ASME J. Turbomach., 120, pp. 671–682.
Hah, C., Puterbaugh, S. W., and Wadia, A. R., 1998, “Control of Shock Structure and Secondary Flow Field Inside Transonic Compressor Rotors Through Aerodynamic Sweep,” ASME Paper No. 98-GT-561.
Wadia,  A. R., and Beacher,  B. F., 1990, “Three-Dimensional Relief in Turbomachinery Blading,” ASME J. Turbomach., 112, pp. 587–597.
Place, J. M. M., 1997, “Three-Dimensional Flow in Core Compressors,” Ph.D. dissertation, University of Cambridge, Cambridge, United Kingdom.
Friedrichs,  J., Baumgarten,  S., and Stark,  U., 1999, “Effect of Stator Design on Stator Hub Boundary Layer Separation in a Highly Loaded Single-Stage Axial-Flow Low-Speed Compressor,” IMechE Conf. Trans., 1B, pp. 573–582.
Martensen, E., 1954, “Die Berechnung der Druckverteilung an dicken Gitterprofilen mit Hilfe von Fredholmschen Integralgleichungen zweiter Art,” Mitteilungen aus dem Max-Planck-Institut für Strömungsforschung und der Aerodynamischen Versuchsanstalt, No. 23.
Tobak,  M. T., and Peake,  D. J., 1982, “Topology of Three-Dimensional Separated Flows,” Annu. Rev. Fluid Mech., 14, pp. 61–85.
Smith,  L. H., and Yeh,  H., 1963, “Sweep and Dihedral Effects in Axial-Flow Turbomachinery,” ASME J. Basic Eng., 85, pp. 401–416.
Place,  J. M. M., and Cumpsty,  N. A., 1998, Discussion to “Comparison of Sweep and Dihedral Effects on Compressor Cascade Performance,” by Sasaki, T., and Breugelmanns, F., ASME J. Turbomach., 120, pp. 454–464.

Figures

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Single-stage axial-flow compressor and midspan section
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Compressor performance characteristics
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Experimental and 2D calculated pressure distribution at blade hub section stator A at design point (φ=0.45)
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Experimental and 2D calculated pressure distribution at blade hub section stator K at design point (φ=0.45)
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Comparison of the hub pressure distributions on passage center lines at design flow rate (φ=0.45)
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Comparison of the hub pressure distributions on passage center lines at part load (φ=0.37)
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Oil flow picture of stator A at design point (φ=0.45) on stator hub and suction surface
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Oil flow picture of stator K at design point (φ=0.45) on stator hub and suction surface
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Oil flow picture of stator A at part load (φ=0.37) on stator hub and suction surface
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Oil flow picture of stator K at part load (φ=0.37) on stator hub and suction surface
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Combination of classical and new secondary flow
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Axial-velocity ratio behind stator A
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Axial-velocity ratio behind stator K

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