A Two-Fluid Model for High-Viscosity Upward Annular Flow in Vertical Pipes

Joseph X. F. Ribeiro, Ruiquan Liao, Aliyu M. Aliyu, Salem K. B. Ahmed, Yahaya D. Baba, Almabrok A. Almabrok, Archibong Archibong-Eso and Zilong Liu
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Joseph X. F. Ribeiro: Petroleum Engineering College, Yangtze University, Wuhan 430100, China
Ruiquan Liao: Petroleum Engineering College, Yangtze University, Wuhan 430100, China
Aliyu M. Aliyu: School of Computing and Engineering, University of Huddersfield, Huddersfield HD1 3DH, UK
Salem K. B. Ahmed: Faculty of Mining and Energy Engineering, Sebha University, Sebha 00218, Libya
Yahaya D. Baba: Department of Chemical and Biological Engineering, University of Sheffield, Sheffield S1 3JD, UK
Almabrok A. Almabrok: Department of Petroleum Engineering, Faculty of Engineering, Sirte University, Sirte 00218, Libya
Archibong Archibong-Eso: Department of Mechanical Engineering, University of Birmingham, Dubai International Academic City, Dubai P.O. Box 341799, United Arab Emirates
Zilong Liu: Petroleum Engineering College, Yangtze University, Wuhan 430100, China

Energies, 2021, vol. 14, issue 12, 1-19

Abstract: Proper selection and application of interfacial friction factor correlations has a significant impact on prediction of key flow characteristics in gas–liquid two-phase flows. In this study, experimental investigation of gas–liquid flow in a vertical pipeline with internal diameter of 0.060 m is presented. Air and oil (with viscosities ranging from 100–200 mPa s) were used as gas and liquid phases, respectively. Superficial velocities of air ranging from 22.37 to 59.06 m/s and oil ranging from 0.05 to 0.16 m/s were used as a test matrix during the experimental campaign. The influence of estimates obtained from nine interfacial friction factor models on the accuracy of predicting pressure gradient, film thickness and gas void fraction was investigated by utilising a two-fluid model. Results obtained indicate that at liquid viscosity of 100 mPa s, the interfacial friction factor correlation proposed by Belt et al. (2009) performed best for pressure gradient prediction while the Moeck (1970) correlation provided the best prediction of pressure gradient at the liquid viscosity of 200 mPa s. In general, these results indicate that the two-fluid model can accurately predict the flow characteristics for liquid viscosities used in this study when appropriate interfacial friction factor correlations are implemented.

Keywords: two-phase flow; interfacial friction factor; vertical pipes; higher viscosity; pressure drop (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
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