Investigation of the characteristics and mechanisms of the layer inversion in binary liquid–solid fluidized beds with coarse particles

WL Ren, Y Zhang, XH Zhang, XB Lu - Physics of Fluids, 2022 - pubs.aip.org
This paper adopts an optimized Euler–Lagrange method proposed in our previous work to
study the characteristics and formation mechanisms of layer inversion in binary liquid–solid …

Investigation of motion characteristics of coarse particles in hydraulic collection

WL Ren, XH Zhang, Y Zhang, XB Lu - Physics of Fluids, 2023 - pubs.aip.org
The solid–fluid two-phase flow with coarse particles is an important research object in the
two-phase transportation field, such as deep-sea mining. This paper adopts the resolved …

Data-driven machine learning for accurate prediction and statistical quantification of two phase flow regimes

N Ali, B Viggiano, M Tutkun, RB Cal - Journal of Petroleum Science and …, 2021 - Elsevier
Two different two-phase flow regimes including slug and dispersed flows are examined
through the implementation of system identification methods to attain reduced-order models …

Cluster-based reduced-order descriptions of two phase flows

N Ali, B Viggiano, M Tutkun, RB Cal - Chemical Engineering Science, 2020 - Elsevier
Dynamical system representations of two different multiphase flow regimes are extracted
using a clustering algorithm. Experiments were conducted in a flow loop using an X-ray …

Statistical characterization of horizontal slug flow using snapshot proper orthogonal decomposition

M Olbrich, M Bär, K Oberleithner, S Schmelter - International Journal of …, 2021 - Elsevier
Slug flow is an intermittent and complex gas-liquid flow pattern, that can cause severe
problems in industrial operations and lead to large uncertainties in multiphase flow …

Characterizing Lagrangian particle dynamics in decaying homogeneous isotropic turbulence using proper orthogonal decomposition

M Schiødt, A Hodžić, F Evrard, M Hausmann… - Physics of …, 2022 - pubs.aip.org
Particle proper orthogonal decomposition (PPOD) is demonstrated as a method for
extraction of temporal statistical information on dispersed (discrete) phases of multiphase …

[HTML][HTML] Deep learning based liquid level extraction from video observations of gas–liquid flows

M Olbrich, L Riazy, T Kretz, T Leonard… - International Journal of …, 2022 - Elsevier
The slug flow pattern is one of the most common gas–liquid flow patterns in multiphase
transportation pipelines, particularly in the oil and gas industry. This flow pattern can cause …

Experimental study on visualized flow boiling in a narrow rectangular channel

J Han, Y Liu, W Chu, C Zhao, H Bo - International Communications in Heat …, 2022 - Elsevier
An experimental visualization investigation is carried out to study the characteristics of flow
boiling in a narrow channel represented by flow patterns, local void fraction variations and …

Combination of linear stochastic estimation and proper orthogonal decomposition: application in two-phase slug flow

S Munir, ARA Aziz, M Heikal, MI Siddiqui - Journal of the Brazilian Society …, 2023 - Springer
The study of turbulence characteristics in two-phase flows always remained challenging due
to its chaotic nature. The hidden coherent structures are dynamically important and play …

Forecasting the evolution of chaotic dynamics of two-phase slug flow regime

N Ali, B Viggiano, M Tutkun, RB Cal - Journal of Petroleum Science and …, 2021 - Elsevier
Presenting a predictive model through handling of the dynamical system is critical for
modern technologies and industrial application. Here, Hankel-based dynamic mode …