Hydrodynamic Modeling of Oil–Water Stratified Smooth Two-Phase Turbulent Flow in Horizontal Circular Pipes

Qi Kang, Jiapeng Gu, Xueyu Qi, Ting Wu, Shengjie Wang, Sihang Chen, Wei Wang and Jing Gong
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Qi Kang: National Engineering Laboratory for Pipeline Safety, China University of Petroleum-Beijing, Fuxue Road No. 18, Changping District, Beijing 102249, China
Jiapeng Gu: National Engineering Laboratory for Pipeline Safety, China University of Petroleum-Beijing, Fuxue Road No. 18, Changping District, Beijing 102249, China
Xueyu Qi: National Engineering Laboratory for Pipeline Safety, China University of Petroleum-Beijing, Fuxue Road No. 18, Changping District, Beijing 102249, China
Ting Wu: Department of Industrial and Systems Engineering, The Hong Kong Polytechnic University, Hong Kong 999077, China
Shengjie Wang: China Oil and Gas Pipeline Network Corporation, Oil&Gas Control Center, Beijing 100028, China
Sihang Chen: National Engineering Laboratory for Pipeline Safety, China University of Petroleum-Beijing, Fuxue Road No. 18, Changping District, Beijing 102249, China
Wei Wang: National Engineering Laboratory for Pipeline Safety, China University of Petroleum-Beijing, Fuxue Road No. 18, Changping District, Beijing 102249, China
Jing Gong: National Engineering Laboratory for Pipeline Safety, China University of Petroleum-Beijing, Fuxue Road No. 18, Changping District, Beijing 102249, China

Energies, 2021, vol. 14, issue 16, 1-17

Abstract: In the petrochemical industry, multiphase flow, including oil–water two-phase stratified laminar flow, is more common and can be easily obtained through mathematical analysis. However, there is limited mathematical analytical model for the simulation of oil–water flow under turbulent flow. This paper introduces a two-dimensional (2D) numerical simulation method to investigate the pressure gradient, flow field, and oil–water interface height of a pipeline cross-section of horizontal tube in an oil–water stratified smooth flow. Three Reynolds average N–S equation models ( k − ε , k − ω , SST k − ω ) are involved to simulate oil–water stratified smooth flow according to the finite volume method. The pressure gradient and oil–water interface height can be computed according to the given volume flow rate using the iteration method. The predicted result of oil–water interface height and velocity profile by the model fit well with several published experimental data, except that there is a large error in pressure gradient. The SST k − ω turbulence model appears higher accuracy for simulating oil–water two-phase stratified flow in a horizontal pipe.

Keywords: oil–water stratified pipe flow; numerical simulation; turbulence model; two-phase flow; multiphase flow (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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