Liquid–Liquid horizontal pipe flow–A review

SA Ahmed, B John - Journal of Petroleum Science and Engineering, 2018 - Elsevier
This paper presents a comprehensive review of investigations on liquid-liquid flow through
horizontal pipes. Characteristics like flow pattern, pattern transition including phase …

Experimental validation of theoretical models in two-phase high-viscosity ratio liquid–liquid flows in horizontal and slightly inclined pipes

B Grassi, D Strazza, P Poesio - International journal of multiphase flow, 2008 - Elsevier
Liquid–liquid flow literature proposes models developed to predict quantities and
phenomena of interest, once given fluid properties and the features of the flow domain. The …

Stability of stratified two-phase flows in horizontal channels

I Barmak, A Gelfgat, H Vitoshkin, A Ullmann… - Physics of …, 2016 - pubs.aip.org
Linear stability of stratified two-phase flows in horizontal channels to arbitrary wavenumber
disturbances is studied. The problem is reduced to Orr-Sommerfeld equations for the stream …

Liquid-liquid two-phase flow systems

N Brauner - Modelling and Experimentation in Two-Phase Flow, 2003 - Springer
Flows of two immiscible liquids are encountered in a diverse range of processes and
equipments. In particular in the petroleum industry, where mixtures of oil and water are …

The impact of pore‐scale flow regimes on upscaling of immiscible two‐phase flow in porous media

D Picchi, I Battiato - Water resources research, 2018 - Wiley Online Library
Empirical or theoretical extensions of Darcy's law for immiscible two‐phase flow have shown
significant limitations in properly modeling the flow at the continuum scale. We tackle this …

Closure relations for two-fluid models for two-phase stratified smooth and stratified wavy flows

A Ullmann, N Brauner - International journal of multiphase flow, 2006 - Elsevier
The theory-based closure relations for the wall and interfacial shear stresses obtained
previously for laminar stratified flow, are extended to be applicable also to turbulent flows in …

Characteristics of stratified flows of Newtonian/non-Newtonian shear-thinning fluids

D Picchi, P Poesio, A Ullmann, N Brauner - International Journal of …, 2017 - Elsevier
Exact solutions for laminar stratified flows of Newtonian/non-Newtonian shear-thinning fluids
in horizontal and inclined channels are presented. An iterative algorithm is proposed to …

Prediction of pressure gradient and holdup in wavy stratified liquid–liquid inclined pipe flow

OMH Rodriguez, LS Baldani - Journal of Petroleum Science and …, 2012 - Elsevier
Pressure gradient and holdup data are presented for oil–water flow in a horizontal and
inclined 0.026 m id pipe (borosilicate glass, 15.5 m length and pipe inclinations of− 10° …

Modeling of laminar-turbulent stratified liquid–liquid flow with entrainment

G Bochio, OMH Rodriguez - International Journal of Multiphase Flow, 2022 - Elsevier
An one-dimensional model is developed for liquid–liquid flows considering a stratified flow
where droplet entrainment is present. Two models from literature were used as a starting …

[HTML][HTML] Two-phase stratified flow in horizontal pipes: A CFD study to improve prediction of pressure gradient and void fraction

S Passoni, IM Carraretto, R Mereu… - … Research and Design, 2023 - Elsevier
Improved understanding of flow regime effects on design-influencing engineering quantities
is of primary importance. This work is focused on the numerical prediction of pressure …