Transport of solid-liquid slurries in pipeline transport over short and medium distances is very important in many industries, including mining related processes. The particle image velocimetry technique was successfully utilized to investigate the velocities and kinetic energy fluctuations of slurry particles at the tongue region of an optically-clear centrifugal pump. The experiments were conducted using 500 micron glass beads at volumetric concentrations of 2.5% and 5% and at pump speeds of 725 rpm and 1000 rpm. The fluctuation kinetic energy increased approximately 200% to 500% as the pump speed was increased from 725 rpm to 1000 rpm. The directional impingement mechanism is more significant at the pressure side of the blade, tongue and the casing. This mechanism becomes more important as the speed increases. This suggests that the impeller, tongue and the casing of the slurry pump can wear out quickly, especially with an increase in speed. In this paper the emphasis is on the tongue region. The random impingement mechanism caused by the fluctuation kinetic energy of the solids can play an important role on the erosion of the tongue area.
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December 2004
Technical Papers
Investigations of Particle Velocities in a Slurry Pump Using PIV: Part 1, The Tongue and Adjacent Channel Flow
Jaikrishnan R. Kadambi,
Jaikrishnan R. Kadambi
Department of Mechanical and Aerospace Engineering, Case Western Reserve University, 10900 Euclid Ave., Cleveland, OH 44106
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Pathom Charoenngam,
Pathom Charoenngam
Department of Mechanical and Aerospace Engineering, Case Western Reserve University, 10900 Euclid Ave., Cleveland, OH 44106
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Amirthaganesh Subramanian,
Amirthaganesh Subramanian
Department of Mechanical and Aerospace Engineering, Case Western Reserve University, 10900 Euclid Ave., Cleveland, OH 44106
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Mark P. Wernet,
Mark P. Wernet
National Aeronautics and Space Administration, John H. Glenn Research Center, 21000 Brookpark Rd., Cleveland, OH 44135
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John M. Sankovic,
John M. Sankovic
Department of Biomedical Engineering, Case Western Reserve University and National Aeronautics and Space Administration, John H. Glenn Research Center, 21000 Brookpark Rd., Cleveland, OH 44135
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Graeme Addie,
Graeme Addie
GIW Industries, 5000 Wrightsboro Rd., Grovetown, GA 30813-9750
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Robert Courtwright
Robert Courtwright
GIW Industries, 5000 Wrightsboro Rd., Grovetown, GA 30813-9750
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Jaikrishnan R. Kadambi
Department of Mechanical and Aerospace Engineering, Case Western Reserve University, 10900 Euclid Ave., Cleveland, OH 44106
Pathom Charoenngam
Department of Mechanical and Aerospace Engineering, Case Western Reserve University, 10900 Euclid Ave., Cleveland, OH 44106
Amirthaganesh Subramanian
Department of Mechanical and Aerospace Engineering, Case Western Reserve University, 10900 Euclid Ave., Cleveland, OH 44106
Mark P. Wernet
National Aeronautics and Space Administration, John H. Glenn Research Center, 21000 Brookpark Rd., Cleveland, OH 44135
John M. Sankovic
Department of Biomedical Engineering, Case Western Reserve University and National Aeronautics and Space Administration, John H. Glenn Research Center, 21000 Brookpark Rd., Cleveland, OH 44135
Graeme Addie
GIW Industries, 5000 Wrightsboro Rd., Grovetown, GA 30813-9750
Robert Courtwright
GIW Industries, 5000 Wrightsboro Rd., Grovetown, GA 30813-9750
Contributed by the Petroleum Division for publication in the JOURNAL OF ENERGY RESOURCES TECHNOLOGY. Manuscript received by the Petroleum Division October 2002; revised manuscript received November 2003. Associate Editor: S. Shirazi.
J. Energy Resour. Technol. Dec 2004, 126(4): 271-278 (8 pages)
Published Online: December 21, 2004
Article history
Received:
October 1, 2002
Revised:
November 1, 2003
Online:
December 21, 2004
Citation
Kadambi , J. R., Charoenngam , P., Subramanian, A., Wernet, M. P., Sankovic, J. M., Addie , G., and Courtwright, R. (December 21, 2004). "Investigations of Particle Velocities in a Slurry Pump Using PIV: Part 1, The Tongue and Adjacent Channel Flow ." ASME. J. Energy Resour. Technol. December 2004; 126(4): 271–278. https://doi.org/10.1115/1.1786928
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