Two-phase flow in inclined tubes with specific reference to condensation: a review

S Lips, JP Meyer - International Journal of Multiphase Flow, 2011 - Elsevier
Tilting influences the flow patterns and thus the heat transfer and pressure drop during
condensation in smooth tubes. However, few studies are available on diabatic two-phase …

Review of Multiphase Flow Models in the Petroleum Engineering: Classifications, Simulator Types, and Applications

AA Ali, GH Abdul-Majeed, A Al-Sarkhi - Arabian Journal for Science and …, 2024 - Springer
Multiphase flow modeling is crucial for the oil and gas industry, enabling safer and more cost-
effective subsea well development. In the past 60 years, there have been significant …

Application of artificial neural network to predict slug liquid holdup

GH Abdul-Majeed, FS Kadhim, FHM Almahdawi… - International Journal of …, 2022 - Elsevier
This work demonstrates the artificial neural network (ANN) ability for predicting slug liquid
holdup (H LS), using 2525 measured points from 20 experimental studies. Six variables …

A unified correlation for predicting slug liquid holdup in viscous two-phase flow for pipe inclination from horizontal to vertical

GH Abdul-Majeed, AM Al-Mashat - SN Applied Sciences, 2019 - Springer
This study presents new measured slug liquid holdup data for liquid viscosity ranging from
200 to 800 mPa s. The experiments were conducted using two different large pipe diameters …

Critical review of vertical gas-liquid slug flow: An insight to better understand flow hydrodynamics' effect on heat and mass transfer characteristics

SG Holagh, WH Ahmed - International Journal of Heat and Mass Transfer, 2024 - Elsevier
Slug flow is a dynamically complex two-phase flow pattern. A wide variety of industrial gas-
liquid systems operate under slug flow conditions for not only flow transportation purposes …

Influence of vibration on transient flow characteristics of gas-liquid two-phase flow in inclined pipes

Y Bao, T Ma, Y Zhang, L Wang - Chemical Engineering Research and …, 2023 - Elsevier
As an advanced method of transportation globally, pipelines play a significant role in the
energy sector of many nations. Given the rapid development of offshore oil and gas …

The suitability of the dimensionless terms used in correlating slug liquid holdup with flow parameters in viscous two-phase flows

GH Abdul-Majeed, M Firouzi - … Communications in Heat and Mass Transfer, 2019 - Elsevier
Empirical correlations have been proposed for estimating slug liquid holdup, H LS, using
Froude number, N Fr, viscosity number, N μ, and inverse viscosity number, N f. Some of …

Prediction of slug/churn transition for viscous upward two-phase flows in vertical pipes

GH Abdul-Majeed, M Firouzi - SPE Production & Operations, 2021 - onepetro.org
In this study, we investigate the effect of liquid viscosity (μ L) on the slug/churn transition in
gas/liquid flows in vertical pipes. A total of 80 experimental churn-flow data points from two …

[PDF][PDF] Comparison and performance analysis of models for predicting multiphase flow behaviours in wellbores

CC Nwanwe, UI Duru - International Journal of Petroleum and …, 2022 - jms.procedia.org
Accurate predictions of flow pattern, liquid holdup, and pressure drop are essential factors
for oil and gas wells analysis and production optimization. In the literature, there are several …

Heat supply and reduction of polarization effects in pervaporation by two-phase feed

J Fontalvo, MAG Vorstman, JG Wijers… - Journal of Membrane …, 2006 - Elsevier
Gas–and vapor–liquid two-phase pervaporation have been experimentally studied using a
lab scale and a bench scale pervaporation setup. Pervaporation experiments with low liquid …