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TECHNICAL PAPERS

Measurement of Void Fraction and Pressure Drop of Air-Oil Two-Phase Flow in Horizontal Pipes

[+] Author and Article Information
J. L. Pawloski, C. Y. Ching, M. Shoukri

Department of Mechanical Engineering, McMaster University, Hamilton, ON L8S 4L7, UK

J. Eng. Gas Turbines Power 126(1), 107-118 (Mar 02, 2004) (12 pages) doi:10.1115/1.1619429 History: Received December 01, 2001; Revised March 01, 2002; Online March 02, 2004
Copyright © 2004 by ASME
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References

Friedel, L., 1979, “Improved Friction Pressure Drop Correlations for Horizontal and Vertical Two Phase Pipe Flow,” European Two Phase Flow Group Meeting, Paper E2, Ispra, Italy.
Martinelli,  R. C., and Nelson,  D. B., 1948, “Prediction of Pressure Drop During Forced-Circulation Boiling of Water,” Trans. ASME, 70, pp. 695–702.
Chisolm,  D., 1973, “Pressure Gradient due to Friction During Flow Evaporating Two-Phase Mixtures in Smooth Tubes and Channels,” Int. J. Heat Mass Transfer, 16, pp. 347–348.
Hand,  N. P., and Spedding,  P. L., 1993, “Horizontal Gas-Liquid Flow at Close to Atmospheric Conditions,” Chem. Eng. Sci., 48, pp. 2283–2305.
Hubbard, M. G., and Dukler, A. E., 1966, “The Characterization of Flow Regimes for Horizontal Two-Phase Flow: I. Statistical Analysis of Wall Pressure Fluctuations,” Proc. Heat Transfer and Fluid Mechanics Institute, Stanford, CA, pp. 385–400.
Jones,  A. B., and Zuber,  N., 1975, “The Interrelation Between Void Functions Fluctuation and Flow Patterns in Two-Phase Flow,” Int. J. Multiphase Flow, 2, pp. 273–306.
Abdul-Razzak,  A., Shoukri,  M., and Chang,  J. S., 1995, “Characteristics of Refrigerant R-134A Liquid-Vapor Two-Phase Flow In A Horizontal Pipe,” ASHRAE Trans., 101, pp. 1–13.
Lowe,  D., and Rezkallah,  S., 1999, “A Capacitance Sensor for the Characterization of Microgravity Two-Phase Liquid-Gas Flow,” Meas. Sci. Technol., 10, pp. 965–975.
Mandhane,  J. M., Gregory,  G. A., and Aziz,  K., 1974, “A Flow Pattern Map for Gas-Liquid Flow in Horizontal Pipes,” Int. J. Multiphase Flow, 1, pp. 537–553.
Taitel,  Y., and Dukler,  A. E., 1976, “A Model for Predicting Flow Regime Transitions in Horizontal and Near Horizontal Gas-Liquid Flow,” AIChE J., 22, pp. 47–55.
Spedding,  P. L., and Nguyen,  V. T., 1980, “Regime Maps for Air-Water Two Phase Flow,” Chem. Eng. Sci., 35, pp. 779–793.
Barnea,  D., Shoham,  O., Taitel,  Y., and Dukler,  A. E., 1979, “Flow Pattern Transition for Gas-Liquid Flow in Horizontal and Inclined Pipes: Comparison of Experimental Data With Theory,” Int. J. Multiphase Flow, 5, pp. 217–225.
Glovier, G. W., and Aziz, K., 1972, The Flow of Complex Mixtures in Pipes, Van Nostrand Reinhold, New York.
Pawloski, J. L., 2001, “A Study of Air-Oil Two-Phase Flow in a Horizontal Straight Pipe,” M.A.Sc. thesis, McMaster University, Hamilton, Ontario.
Ferguson,  M. E., and Spedding,  P. L., 1995, “Measurement and Prediction of Pressure Drop in Two-Phase Flow,” J. Chem. Technol. Biotechnol., 62, pp. 262–278.
Olujic,  Z., 1985, “Predicting Two-Phase Flow Friction Loss in Horizontal Pipes,” Chem. Eng. Sci., 92, pp. 45–50.

Figures

Grahic Jump Location
Capacitance sensor design
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On and off-line calibration of capacitance sensor. □, oil; ▵, phenolic; [[dashed_line]], linear (oil); –, linear (phenolic).
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Slug to plug transition
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Slug to wavy transition
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Slug to wavy transition
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Schematic of air/oil flow loop
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Comparison with the Olujic model (alpha region). ♦, beta region data;—, y=0.5464×.
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Mandhane 9 flow regime map. ♦, annular; -, BTS transition; ▴, dispersed; ⋄, mist; ▵, plug; −, P-S transition; □, slug; ×, S-D transition; +, P-ST-W transition; *, wavy; ○, W-S transition;—transition boundaries.
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Taitel and Dukler 10 flow regime map. ♦, annular; -, BTS transition; ▴, dispersed; ⋄, mist; ▵, plug; −, P-S transition; □, slug; × S-D transition; +, P-ST-W transition; *, wavy; ○, W-S transition;—transition boundaries.
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Spedding and Nguyen 11 flow regime map. ♦, annular; -, BTS transition; ▴, dispersed; ⋄, mist; ▵, plug; −, P-S transition; □, slug; ×, S-D transition; +, P-ST-W transition; *, wavy; ○, W-S transition;—, transition boundaries.
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Mandhane 9 map for air-oil properties. ♦, annular; ▪, BTS transition; ⋄, mist; ▵, plug; −, P-S transition; □, slug; ×, S-D transition; •, P-W transition; ○, W-S transition; +, wavy; *, dispersed; ▴, W-A transition.
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Suggested air-oil property correction for Mandhane 9 map. ♦, annular; ▪, BTS transition; ⋄, mist; ▵, plug; −, P-S transition; □, slug; ×, S-D transition; •, P-W transition; ○, W-S transition; +, wavy; *, dispersed; ▴, W-A transition.
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Taitel and Dukler 10 map for air-oil properties. ♦, annular; ▪, BTS transition; *, dispersed; ⋄, mist; ▵, plug; −, P-S transition; □, slug; ×, S-D transition; ▴, P-W transition; +, wavy; •, W-A transition; ○, W-S transition.
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Comparison with the homogeneous model. ♦, data;—, y=0.5915×.
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Comparison of mist and annular flow data with homogeneous model
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Comparison with the Martinelli model. ♦, data;—, y=0.05279×.
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Comparison of slug building zone data with Martinelli model
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Corrected Martinelli model. ♦, data; ------, +/−30%; [[long_dash_short_dash]], +/−15%.
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Comparison with the Chisolm model. ♦, data;—, y=0.5684×.
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Comparison with Chisolm model
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Comparison with the Olujic model (beta region). ♦, alpha region data;—, y=0.6432×.

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