Inducers, which are classified as axial flow pumps with helical path blades, are used within rotary gas separators commonly used in electrical submersible pump installations. A two-phase flow model has been developed to study the inducer performance, focusing on head generation. The proposed model is based on a meridional flow solution technique and utilizes a two-fluid approach. The model indicates that head degradation due to gas presence is a function of flow pattern. The effect of flow pattern diminishes when the void fraction is greater than 15 percent since the centrifugal force dominates the interfacial drag force. In this case, the two-phase flow can be approximated as a homogeneous mixture. The model also suggests that a liquid displacement correction is needed when phase segregation occurs inside the inducer. The new model significantly improves the ability to predict separation efficiency of a rotary gas separator over existing models. Hydrocarbon-air and water-air experimental data were gathered to validate the new model.
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e-mail: amrin.harun@intecengineering.com
e-mail: dale-doty@utulsa.edu
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June 2004
Technical Papers
Two-Phase Flow Modeling of Inducers
Amrin F. Harun,
e-mail: amrin.harun@intecengineering.com
Amrin F. Harun
INTEC Engineering, 15600 JFK Blvd, Suite 300, Houston, TX 77032
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Dale R. Doty
e-mail: dale-doty@utulsa.edu
Dale R. Doty
Department of Mathematics and Computer Science, University of Tulsa, 600 S. College Ave., Tulsa, OK 74104
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Amrin F. Harun
INTEC Engineering, 15600 JFK Blvd, Suite 300, Houston, TX 77032
e-mail: amrin.harun@intecengineering.com
Mauricio G. Prado
Siamack A. Shirazi
Dale R. Doty
Department of Mathematics and Computer Science, University of Tulsa, 600 S. College Ave., Tulsa, OK 74104
e-mail: dale-doty@utulsa.edu
Contributed by the Petroleum Division and presented at the ETCE 2000, New Orleans, Louisiana, February 14–17 2000 of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS. Manuscript received by the Petroleum Division October 1999; revised manuscript received November 2003. Associate Editor: A. Wojtanowicz.
J. Energy Resour. Technol. Jun 2004, 126(2): 140-148 (9 pages)
Published Online: June 22, 2004
Article history
Received:
October 1, 1999
Revised:
November 1, 2003
Online:
June 22, 2004
Citation
Harun, A. F., Prado, M. G., Shirazi, S. A., and Doty, D. R. (June 22, 2004). "Two-Phase Flow Modeling of Inducers ." ASME. J. Energy Resour. Technol. June 2004; 126(2): 140–148. https://doi.org/10.1115/1.1738124
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