Evaluation of drift-velocity closure relationships for highly viscous liquid-air slug flow in horizontal pipes through 3D CFD modelling

JP Valdés, P Pico, E Pereyra, N Ratkovich - Chemical Engineering Science, 2020 - Elsevier
In the past 50 years, several correlations have been developed in order to predict the drift
velocity of a liquid-air slug-flow system inside horizontal pipelines. However, a great portion …

Prediction of Drift Velocity Closure Relationship in Multiphase Flow Models Using Deep Learning Approach

IU Koffi, A Livinus - SPE Nigeria Annual International Conference and …, 2022 - onepetro.org
Multiphase flow modelling is of major importance in the design of pipelines, separation
plants, and many other systems found in the chemical and petroleum industries. Many …

Artificial Neural Network Approach to the Prediction of Drift Velocity of Elongated Bubble in Liquid in Pipe

SE Nathaniel, A Livinus - SPE Nigeria Annual International …, 2022 - onepetro.org
Accurate determination of drift velocity is required, as drift velocity is an important parameter
in multiphase flow modelling. There are existing correlations for determining this parameter …

CFD study of the characteristics of a single elongated gas bubble in liquid in a moderately inclined pipe

A Livinus, PG Verdin - Upstream Oil and Gas Technology, 2021 - Elsevier
Abstract In recent years, Computational Fluid Dynamics (CFD) modelling methods have
been applied to study the behavior of a single elongated bubble in stagnant and flowing …

[PDF][PDF] Closing Thoughts on the Proposition of Improving Drift Velocity Closure Relationship for Multiphase Flow Models

A Livinus - academia.edu
The accurate prediction of drift velocity is essential in the modelling of multiphase flow in
pipelines. Efforts on enhancing the applicability and predictive capabilities of drift velocity …