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TECHNICAL PAPERS

Experimental and Numerical Investigation of the Flow in a Centrifugal Compressor Volute

[+] Author and Article Information
D. Hagelstein, M. Rautenberg

Institute of Turbomachinery, University of Hannover, Hannover, Germany

K. Hillewaert, R. A. Van den Braembussche

Von Karman Institute for Fluid Dynamics (VKI), Rhode Saint Genèse, Belgium

A. Engeda

Michigan State University, East Lansing, MI 48109

R. Keiper

Kühnle, Kopp & Kausch AG (KKK), Frankenthal, Germany

J. Turbomach 122(1), 22-31 (Feb 01, 1999) (10 pages) doi:10.1115/1.555423 History: Received February 01, 1999
Copyright © 2000 by ASME
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References

Hagelstein, D., Van den Braembussche, R. A., Keiper, R., and Rautenberg, M., 1997, “Experimental Investigation of the Circumferential Static Pressure Distortion in Centrifugal Compressor Stages,” ASME Paper No. 97-GT-50.
Sorokes, J. M., Borer, C. J., and Koch, J. M., 1998, “Investigation of the Circumferential Static-Pressure Non-uniformity Caused by a Centrifugal Compressor Discharge Volute,” ASME Paper No. 98-GT-326.
Borer, C., Sorokes, J., McMahon, T., and Abraham, E., 1997, “An Assessment of the Forces Acting Upon a Centrifugal Impeller Using Full Load, Full Pressure Hydrocarbon Testing,” Proc. Texas A & M Turbomachinery Symposium.
Iversen,  H. W., Rolling,  R. E., and Carlson,  J. J., 1960, “Volute Pressure Distribution, Radial Force on the Impeller, and Volute Mixing Losses of a Radial Flow Centrifugal Pump,” ASME J. Eng. Power, 82, No. 1, pp. 136–144.
Kurokava, J., 1980, “Theoretical Determination of the Flow Characteristics in Volutes,” Proc. IAHR-AIRH Symposium 1980, Tokyo, Japan.
Badie, R., Jonker, J. B., and Van Essen, T. G., 1992, “Calculation on the Time-Dependent Potential Flow in a Centrifugal Pump,” ASME Paper No. 92-GT-151.
Van den Braembussche,  R. A., and Hände,  B. M., 1990, “Experimental and Theoretical Study of the Swirling Flow in Centrifugal Compressor Volutes,” ASME J. Turbomach., 112, pp. 38–43.
Ayder, E., and Van den Braembussche, R. A., 1991, “Experimental Study of the Swirling Flow in the Internal Volute of a Centrifugal Compressor,” ASME Paper No. 91-GT-7.
Ayder, E., 1993, “Experimental and Numerical Analysis of the Flow in Centrifugal Compressor and Pump Volutes,” Ph.D. thesis, VKI.
Van den Braembussche,  R. A., Ayder,  E., Hagelstein,  D., Rautenberg,  M., and Keiper,  R., 1999, “Improved Model for the Design and Analysis of Centrifugal Compressor Volutes,” ASME J. Turbomach., 121, pp. 619–725.
Ayder,  E., and Van den Braembussche,  R. A., 1994, “Numerical Analysis of the Three-Dimensional Swirling Flow in Centrifugal Compressor Volutes,” ASME J. Turbomach., 116, pp. 462–468.
Hillewaert,  K., and Van den Braembussche,  R. A., 1999, “Numerical Simulation of Impeller-Volute Interaction in Centrifugal Compressors,” ASME J. Turbomach., 121, pp. 603–608.
Fatsis, A., 1995, “Numerical Study of the 3D Unsteady Flow and Forces in Centrifugal Impellers with Outlet Pressure Distortion,” Ph.D. thesis, Universiteit Gent, Fakulteit van de toegepaste Wetenschappen, in samenwerking met Von Karman Institute for Fluid Dynamics, 1995.
Jiang, Z., Seidel, U., Shao, Z., and Rautenberg, M., 1996, “Diffuser, Circumferential Pressure Field and Blade Vibration in a Centrifugal Compressor,” Proc. 3rd ISAIF, Beijing, China.
Jameson, A., Schmidt, W., and Turkel, E., 1981, “Numerical Solutions of the Euler Equations by a Finite Volume Method Using Runge–Kutta Time Stepping Schemes,” AIAA Paper No. 81-1259.
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Cumpsty, N. A., 1990, Compressor Aerodynamics, Addison-Wesley, Reading, MA.
Fatsis,  A., Pierret,  S., and Van den Braembussche,  R. A., 1997, “3D Unsteady Flow and Forces in Centrifugal Impellers With Circumferential Distortion of the Outlet Static Pressure,” ASME J. Turbomach., 119, pp. 94–100.
Abramian,  M., and Howard,  J. H. G., 1994, “Experimental Investigation of the Steady and Unsteady Relative Flow in a Model Centrifugal Impeller Passage,” ASME J. Turbomach., 116, pp. 269–279.
Flathers,  B., and Bache,  G. E., 1999, “Aerodynamically Induced Radial Forces in a Centrifugal Gas Compressor—Part 2: Computational Investigation,” ASME J. Eng. Gas Turbines Power, 121, pp. 725–734.
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Figures

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Cross-sectional view of the centrifugal compressor with external volute (including planes for probe measurements inside the volute)
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Compressor shroud wall with external volute of rectangular cross section
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Circumferential pressure distribution at diffuser exit (λ=1.45) for Mu2=0.86
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Circumferential distribution of total pressure, flow angle, and total temperature at λ=1.4
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Results of the flow field measurements in planes 1 to 7 (m/mdes=1.35, Mu2=0.86): (a) swirl velocity Vswirl; (b) pressure recovery coefficient Cp; (c) total pressure loss coefficient ω; (d) throughflow velocity Vt
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Grid of compressor volute
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External volute cross section grid at θ=270 deg
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Comparison of measured and calculated pressure distribution at diffuser exit (λ=1.45)
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Comparison of measured and calculated flow field in plane 3 for nominal operating point (m/mopt=1.0)
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Comparison of measured and calculated flow field in plane 3 near choke flow (m/mopt=1.35)
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Comparison of measured and calculated flow field in plane 3 near surge (m/mopt=0.4)
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Comparison of measured and calculated global volute performance (pressure recovery and total pressure loss)
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Unshrouded 60 deg backswept impeller with 20 blades (every second one splittered)
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Centrifugal compressor test stand

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