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TECHNICAL PAPERS

CFD Calculation of a Mixed Flow Pump Characteristic From Shutoff to Maximum Flow

[+] Author and Article Information
Felix A. Muggli, Peter Holbein

Sulzer Innotec, Sulzer Markets & Technology Ltd., Winterthur, Switzerland

Philippe Dupont

Sulzer Pumps Ltd., Winterthur, Switzerland

J. Fluids Eng 124(3), 798-802 (Aug 19, 2002) (5 pages) doi:10.1115/1.1478061 History: Received July 27, 2001; Revised October 17, 2001; Online August 19, 2002
Copyright © 2002 by ASME
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References

AEA Technology, 1999: CFX-TASCflow Documentation Version 2.9. Advanced Scientific Computing Ltd., Waterloo, Canada.
Computational Dynamics, 1999, STAR-CD User Guide Version 3.10, Computational Dynamics Ltd., London.
Casey, M. V., and Wintergerste, T. (editors), 2000, “ERCOFTAC Special Interest Group on Quality and Trust in Industrial CFD Best Practice Guidelines,” Version 1.0, January 2000, ERCOFTAC.
Schachenmann, A., Muggli, F., and Gülich, J., 1993, “Comparison of three Navier-Stokes Codes with LDA-Measurements on an Industrial Radial Pump Impeller,” Proc. of the ASME Fluids Engineering Conference, Washington D.C.
Muggli, F. A., Wiss, D., Eisele, K., Zhang, Z., Casey, M. V., and Galpin, P., 1996, “Unsteady Flow in the Vaned Diffuser of a Medium Specific Speed Pump,” Proc. of the 1996 Int. Gas Turbine and Aeroengine Congress & Exhibition, 10–13 June 1996, ASME-Paper 96-GT-157, New York.
Muggli,  F. A., Eisele,  K., Casey,  M. V. , 1997, “Flow Analysis in a Pump Diffuser-Part 2: Validation and Limitations of CFD for Diffuser Flows,” ASME J. Fluids Eng., 119, Dec.
Dalbert, P., and Wiss, D., 1995, “Numerical Transonic Flow Field Predictions for NASA Compressor Rotor 37,” Proc. Of the ASME Gas Turbine Conference, Houston.
Drtina, P., Göde, E., and Schachenmann, A., 1992, “Three-dimensional turbulent flow simulation for two different hydraulic turbine draft tubes,” Proc. of the First European CFD conference, Brussels, September 7–11.
Keck, H., Drtina, P., and Sick, M., 1996, “Numerical Hill Chart Prediction by means of CFD Stage Simulation for a Complete Francis Turbine,” Proc. of the XVIII IAHR Symposium, Valencia, Spain.

Figures

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Solid model assembly of the semi axial pump
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Location of the pressure sensors on the casing of the pump
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Measured and calculated stage head (total pressure) curve without and with inlet rib
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Measured and calculated static pressure difference in the impeller
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Measured and calculated static pressure difference in the diffuser
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Unsteady pressure calculation at different locations for Q/Q0=35%
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Local and circumferential-averaged static pressure at impeller outlet for different relative rotor-stator positions (Q/Q0=35% and 100%)
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Circumferentially averaged total pressure in the meridional plane (Q/Q0=35% and 100%)
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Vortex structures at Q/Q0=35%

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