Two- and three-phase mixtures of highly-viscous-oil/water/air in a 50 mm i.d. pipe

Poesio, Pietro; Strazza, Domenico; Sotgia, G.

doi:10.1016/j.applthermaleng.2011.04.052

Cited by 10 publications

(6 citation statements)

References 10 publications

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“…The table shows the viscosity of oil used in the present work is less than the others except Charles et al [3]. Pipe diameter is also comparable with all the works except Poesio et al [27]. The velocity range of wispy annular flow observed in the present study lies within the ranges reported in the past literature (Table 3) but the magnitude of the range is less in present work.…”

Section: Identification Of Wispy Annular Flow and Comparison With Litsupporting

confidence: 85%

“…This is due to the destabilizing effect of peak configuration. Poesio et al [27] and Sotgia et al [25] work shows that larger diameter destabilizes the annular flow. Sotgia et al [25] and Grassi et al [24] also concluded that the stability of the annular flow depends on the pipe geometry, operating conditions, viscosity and density of the liquids used in the system.…”

Section: Identification Of Wispy Annular Flow and Comparison With Litmentioning

confidence: 96%

“…Core annular flow among the all is more significant because of low pressure drop and hence, minimum pumping power is needed for transportation of oil. This core-annular configuration is attained when viscous oil phase is surrounded by water annulus [23][24][25][26][27][28][29][30].…”

Section: Introductionmentioning

confidence: 99%

“…In this work, the aim has been triggered on the effect of undulation (viz., peak configuration with an angle of 5°) on the hydrodynamics of moderately viscous oil-water flow (oil viscosity = 107 mPa s). Crude oil with viscosity P 100 mPa s is quite relevant to oil refineries in coming years [26,27,44]. Most of the reported results are based on low inclination [31,32], therefore, the angle of inclination in our study is selected as 5°for comparative analysis with the literature.…”

Section: Introductionmentioning

confidence: 99%

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An appraisal of viscous oil–water two-phase flow through an undulated pipeline in peak configuration

Desamala

Dasmahapatra

Mandal

2015

Experimental Thermal and Fluid Science

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Section: Identification Of Wispy Annular Flow and Comparison With Litsupporting

confidence: 85%

Section: Identification Of Wispy Annular Flow and Comparison With Litmentioning

confidence: 96%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

An appraisal of viscous oil–water two-phase flow through an undulated pipeline in peak configuration

Desamala

Dasmahapatra

Mandal

2015

Experimental Thermal and Fluid Science

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“…The annular flow pattern was observed to have a smooth and centered or wavy and off centered annulus of oil enveloped by a water phase. Poesio et al [3] studied two phase oil-water flow in a horizontal plastic pipeline with internal diameter of 50 mm. Oil and water viscosities used in the studies were 0.9 Pa.s (20°C) and 0.001 Pa.s respectively.…”

Section: Previous Workmentioning

confidence: 99%

High viscous oil–water two–phase flow: experiments & numerical simulations

et al. 2018

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An experimental study on viscous oil-water two-phase flow conducted in a 5.5 m long and 25.4 mm internal diameter (ID) pipeline is presented. Mineral oil with viscosity ranging from 3.5 Pa.s -5.0 Pa.s and water were used as test fluid for this study. Experiments were conducted for superficial velocities of oil and water ranging from 0.06 to 0.55 m/s and 0.01 m/s to 1.0 m/s respectively. Axial pressure measurements were made from which the pressure gradients were calculated. Flow pattern determination was aided by high definition video recordings. Numerical simulation of experimental flow conditions is performed using a commercially available Computational Fluid Dynamics code. Results show that at high oil superficial velocities, Core Annular Flow (CAF) is the dominant flow pattern while Oil Plug in Water Flow (OPF) and Dispersed Oil in Water (DOW) flow patterns are dominant high water superficial velocities. Pressure Gradient results showed a general trend of reduction to a minimum as water superficial velocity increases before subsequently increasing on further increasing the superficial water velocity. The CFD results performed well in predicting the flow configurations observed in the experiments.

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Experimental study of horizontal two- and three-phase flow characteristics at low to medium liquid loading conditions

et al. 2019

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An experimental study is conducted using a 0.075-m ID pipe to inves gate characteris cs of two-and three-phase stra fied flow in a horizontal pipeline. Experiments are conducted under low to medium liquid loading condi ons which is common in wet-gas and long transporta on pipelines. The flow characteris cs inves gated include flow pa ern, liquid holdup and pressure drop. The experimental range covers superficial gas Reynolds numbers from 6314 to 200734, superficial liquid Reynolds numbers from 160 to 4391 and water-cut values from 0 to 90%. Differen al pressure transducers, quick closing valves and a high-speed camera are u lized to obtain the relevant data and the trends inves gated. The observed flow pa erns are stra fied smooth, stra fied wavy and stra fied-annular flow. The transi ons between flow pa erns vary as a func on of water-cut. The effect of water-cut on liquid holdup and pressure drop were rela vely negligible especially at low water-cut condi ons and the fine mixing of the oil-water mixture may be par ally responsible for this. As a result, with the excep on of flow pa ern transi ons, the performances of classical two-phase flow models (for the predic on of liquid holdup and pressure drop) appear unaffected when applied to air-oil-water 3-phase flows especially at high water-cuts.

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Two- and three-phase mixtures of highly-viscous-oil/water/air in a 50 mm i.d. pipe

Cited by 10 publications

References 10 publications

An appraisal of viscous oil–water two-phase flow through an undulated pipeline in peak configuration

An appraisal of viscous oil–water two-phase flow through an undulated pipeline in peak configuration

High viscous oil–water two–phase flow: experiments & numerical simulations

Experimental study of horizontal two- and three-phase flow characteristics at low to medium liquid loading conditions

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