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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

Figures

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Schematic of air/oil flow loop
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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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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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Comparison with the Olujic model (alpha region). ♦, beta region data;—, y=0.5464×.

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