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TECHNICAL PAPERS

Slug Dynamics in Gas-Liquid Pipe Flow

[+] Author and Article Information
Hong-Quan Zhang, Subash S. Jayawardena, Clifford L. Redus, James P. Brill

TUFFP, The University of Tulsa, 600 South College Avenue, Tulsa, OK 74104

J. Energy Resour. Technol 122(1), 14-21 (Jan 04, 2000) (8 pages) doi:10.1115/1.483156 History: Received October 28, 1999; Revised January 04, 2000
Copyright © 2000 by ASME
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References

Dukler,  A. E., and Hubbard,  M. G., 1975, “A Model for Gas-Liquid Slug Flow in Horizontal and Near Horizontal Tubes,” Ind. Eng. Chem. Fundam., 14, No. 4, pp. 337–347.
Taitel,  Y., and Barnea,  D., 1990, “Two-Phase Flow,” Adv. Heat Transfer, 20, pp. 83–132.
Andreussi,  P., Bendiksen,  K. H., and Nydal,  O. J., 1993, “Void Distribution in Slug Flow,” Int. J. Multiphase Flow, 19, No. 5, pp. 817–828.
Taitel,  Y., and Barnea,  D., 1998, “Effect of Gas Compressibility on a Slug Tracking Model,” Chem. Eng. Sci., 53, pp. 2089–2097.
Taitel,  Y., and Dukler,  A. E., 1976, “A Model for Predicting Flow Regime Transition in Horizontal and Near Horizontal Gas-Liquid Flow,” AIChE. J., 22, No. 1, pp. 47–55.
Nicholson,  M. K., Aziz,  K., and Gregory,  G. A., 1978, “Intermittent Two-phase Flow in Horizontal Pipes: Predictive Models,” Can. J. Chem. Eng., 56, pp. 653–663.
Kokal,  S. L., and Stanislav,  J. F., 1989, “An Experimental Study of Two-phase Flow in Slightly Inclined Pipes—II: Liquid Holdup and Pressure Drop,” Chem. Eng. Sci., 44, No. 3, pp. 681–693.
Nicklin,  D. J., 1962, “Two-Phase Bubble Flow,” Chem. Eng. Sci., 17, pp. 693–702.
Fabre, J., 1994, “Advancements in Two-Phase Slug Flow Modeling,” SPE 27961, University of Tulsa Centennial Petroleum Engineering Symposium, August 29–31.
Bendiksen,  K. H., 1984, “An Experimental Investigation of The Motion of Long Bubbles in Inclined Tubes,” Int. J. Multiphase Flow, 10, pp. 467–483.
Gregory,  G. A., Nicholson,  M. K., and Aziz,  K., 1978, “Correlation of the Liquid Volume Fraction in the Slug for Horizontal Gas-Liquid Slug Flow,” Int. J. Multiphase Flow, 4, pp. 33–39.
Taitel,  Y, Barnea,  D., and Dukler,  A. E., 1980, “Modeling Flow Pattern Transitions for Steady Upward Gas-Liquid Flow in Vertical Tubes,” AIChE. J., 26, pp. 345–354.
Barnea,  D., and Brauner,  N., 1985, “Hold-Up of the Liquid Slug in Two Phase Intermittent Flow,” Int. J. Multiphase Flow, 11, pp. 43–49.
Cohen,  S. L., and Hanratty,  T. J., 1968, “Effects of Waves at a Gas Liquid Interface on a Turbulent Air Flow,” J. Fluid Mech., 31, pp. 467–469.
Kouba G. E., 1986, “Horizontal Slug Flow Modeling and Metering,” Ph.D. dissertation, The University of Tulsa, Tulsa, OK.
Stanislav,  J. F., Kokal,  S., and Nicholson,  M. K., 1986, “Intermittent Gas-Liquid Flow in Upward Inclined Pipes,” Int. J. Multiphase Flow, 12, No. 3, pp. 325–335.
Triggia,  A. A., Caetano,  E. F., and Shoham,  O., 1986, “Gas-Liquid Two-Phase Flow Pattern Prediction Computer Library,” J. Pipelines, 5, pp. 207–220.
Zhang, H.-Q., Yuan, H., Redus, C. L., and Brill, J. P., 2000, “Observation of Slug Dissipation in Downward Flow,” presented at ETCE/OMAE 2000, New Orleans, LA, February 14–17.

Figures

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Control volume (Δz) used by previous investigators
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Control volume (the entire film zone, lf) used in present study
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Computed −dp/dz in the slug body, compared with Kouba 15 data
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Computed overall −dp/dx, compared with Stanislav et al. 16 data
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Computed film liquid holdup, compared with Kouba 15 data
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Computed film liquid holdup, compared with Andreussi et al. 3 data
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Computed slug frequency, compared with Andreussi et al. 3 data
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Flow pattern prediction compared with FLOPAT (−5 deg inclination)
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Pipeline configurations for slug dissipation and slug tracking calculations; (a) transition from uphill to downhill flow, (b) transition from horizontal to downhill flow
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Comparison of predicted and measured frequency versus dissipation distance
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Comparison of predicted and measured slug body to slug unit length ratio versus dissipation distance at −5 deg
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Dependence of dissipation distance on gas and liquid flow rates
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Variation of slug frequency along an inclined pipeline starting from horizontal flow (USL=USG=1 m/s)

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