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TECHNICAL PAPERS

Experimental Investigation of Centrifugal Compressor Stabilization Techniques

[+] Author and Article Information
Gary J. Skoch

U.S. Army Research Laboratory, National Aeronautics and Space Administration, Glenn Research Center, Cleveland, OH 44135

J. Turbomach 125(4), 704-713 (Dec 01, 2003) (10 pages) doi:10.1115/1.1624846 History: Received December 01, 2002; Revised March 01, 2003; Online December 01, 2003
Copyright © 2003 by ASME
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References

Rodgers, C., 1982, “The Performance of Centrifugal Compressor Channel Diffusers,” ASME Paper No. 82-GT-10.
Rundstadler,  P. W., and Dean,  R. C., 1969, “Straight Channel Diffuser Performance at High Inlet Mach Numbers,” J. Basic Eng., 91, pp. 397–422.
Jansen, W., Carter, A. F., and Swarden, M. C., 1980, “Improvements in Surge Margin for Centrifugal Compressors,” Centrifugal Compressors, Flow Phenomena and Performance, AGARD-CP-282, No. 19.
Raw,  J. A., 1986, “Surge Margin Enhancement by a Porous Throat Diffuser,” Can. Aeronautics Space J., 32, pp. 54–60.
Nelson,  E. B., Paduano,  J. D., and Epstein,  A. H., 2000, “Active Stabilization of Surge in an Axial Centrifugal Turboshaft Engine,” ASME J. Turbomach., 122, pp. 485–493.
Stein, A., Saeid, N., and Sankar, L. N., 2000, “Numerical Analysis of Stall and Surge in a High-Speed Centrifugal Compressor,” 38th Aerospace Sciences Meeting and Exhibit, Reno, NV, AIAA paper No. 2000-0226.
Oakes, W. C., Lawless, P. B., and Fleeter, S., 1999, “Instability Pathology of a High Speed Centrifugal Compressor,” ASME Turbo Expo, Indianapolis, Indiana, ASME paper No. 99-GT-415.
Spakovszky, Z. S., 2002, “Backward Traveling Rotating Stall Waves in Centrifugal Compressors,” ASME Turbo Expo, Amsterdam, The Netherlands, ASME paper No. GT-2002-2039.
McKain, T. F., and Holbrook, G. J., 1982, “Coordinates for a High Performance 4:1 Pressure Ratio Centrifugal Compressor,” NASA CR-204134.
Skoch, G. J., Prahst, P. S., Wernet, M. P., Wood, J. R., and Strazisar, A. J., 1997, “Laser Anemometer Measurements of the Flow Field in a 4:1 Pressure Ratio Centrifugal Impeller,” ASME Turbo Expo, Orlando, Florida, ASME paper No. 97-GT-342.
Wernet,  M. P., Bright,  M. M., and Skoch,  G. J., 2001, “An Investigation of Surge in a High-Speed Centrifugal Compressor Using Digital PIV,” Transactions of the ASME, 123, pp. 418–428.

Figures

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X-T diagram of diffuser passage pressures through one surge cycle
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Static pressure rise in the diffuser vaneless space at design speed and 2.4% tip clearance
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Cross section of test compressor and air injection apparatus
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Diffuser shroud instrumentation and injector locations
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Shroud side injector orientations
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Cross section of test compressor and control tube
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Total pressure ratio characteristics at design speed and 2.4% tip clearance
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Static pressure rise in the diffuser semivaneless region at design speed and 2.4% tip clearance
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Static pressure rise in the diffuser vaned passage at design speed and 2.4% tip clearance
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Diffuser total pressure loss coefficient at design speed and 2.4% tip clearance
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Diffuser vane leading edge loading on the hub surface at design speed and 2.4% tip clearance
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Diffuser vane leading edge loading on the shroud surface at design speed and 2.4% tip clearance
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Stage total temperature ratio at design speed and 2.4% tip clearance
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Impeller static pressure ratio for the baseline and extended range configurations at design speed and 2.4% tip clearance
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Stage adiabatic efficiency at design speed and 2.4% tip clearance
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Recovery from surge using reverse-tangent injectors 4 and 5 at 100% of design speed and 2.4% tip clearance

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