Assessing the ability of the Eulerian-Eulerian and the Eulerian-Lagrangian frameworks to capture meso-scale dynamics in bubbly flows

G Sardina, K Jareteg, H Ström, S Sasic - Chemical engineering science, 2019 - Elsevier
Bubbly flows are characterised by instabilities that appear in the form of elongated meso-
scale structures aligned along the direction of gravity. The instabilities result in a non …

Data privacy issue in federated learning resolution using block chain

MA Rasheed, S Uddin, HA Tanweer… - VFAST Transactions on …, 2021 - vfast.org
Reliable and timely traffic patterns have become an increasingly critical aspect of intelligent
transport networks for traffic control. However, current predictive models of traffic flow …

On the dynamics of instabilities in two-fluid models for bubbly flows

K Jareteg, H Ström, S Sasic, C Demazière - Chemical Engineering Science, 2017 - Elsevier
In this paper we look at instabilities in bubbly gas-liquid flows and investigate the
emergence and characteristics of phase heterogeneities. We apply a shared-pressure two …

Experimental study on the effect of the sawtooth nozzle structure on bubble behaviors

Z Zhang, Z Li, H Qi, Y Ye, Z Liang, J Liu - Chemical Engineering Research …, 2023 - Elsevier
The initial formation of bubbles has a significant impact on bubble dynamics and acoustics.
Meanwhile, the bubble initial shape is affected by the nozzle boundary. In this study, the …

Model for predicting solids velocity fluctuations in sedimenting suspensions

A Shehryar, A Hassan, A Hamid… - Chemical …, 2019 - Wiley Online Library
Computational fluid dynamics (CFD) simulations of sedimenting suspensions in two‐
dimensional periodic domains using a Eulerian two‐fluid model were performed with the …

Near-wall modeling of bubbly flows

N Lubchenko - 2018 - dspace.mit.edu
These effects are incorporated in the Analytical Wall Functions (AWF), which provide
quantitative treatment of these bubble effects in the boundary layer. The boundary layer …

[PDF][PDF] Model for Predicting Solids Velocity Fluctuations in Sedimenting Suspensions

A Hamid, CM dos Santos, A Khan, A Ullah - academia.edu
Computational fluid dynamics (CFD) simulations of sedimenting suspensions in two-
dimensional periodic domains using a Eulerian two-fluid model were performed with the …

Novel Approach to Predict and Model Asphaltene Precipitation and Deposition in Multiphase Flow

S Elkahky - 2021 - espace.curtin.edu.au
A novel approach to asphaltenes precipitation and deposition prediction and forecast,
applied multiple methods including innovative numerical modeling within multiphase flow …

On the robustness of two-phase flow models for bubbly flows

H Ström, D Zeidan - AIP Conference Proceedings, 2017 - pubs.aip.org
Lack of robustness, manifesting as an inability to suppress the growth of numerical round-off
errors, is a well-known challenge with many conventional two-fluid models. In the current …