Wake effect on bubble–particle collision: An experimental study using 4D particle tracking velocimetry

AE Sommer, S Heitkam, K Eckert - International Journal of Multiphase Flow, 2024 - Elsevier
The analysis of particle–bubble collisions in turbulent flow is a fundamental problem of high
technological relevance, eg, for the separation of valuable mineral particles by froth flotation …

Resolving gas bubbles ascending in liquid metal from low-SNR neutron radiography images

M Birjukovs, P Trtik, A Kaestner, J Hovind, M Klevs… - Applied Sciences, 2021 - mdpi.com
We demonstrate a new image processing methodology for resolving gas bubbles travelling
through liquid metal from dynamic neutron radiography images with an intrinsically low …

Membrane‐Free Alkali Metal‐Iodide Battery with a Molten Salt

J Lee, G Monrrabal, M Sarma, T Lappan… - Energy …, 2023 - Wiley Online Library
Batteries with liquid metal electrodes are attractive candidates for sustainable energy‐
storage applications due to low manufacturing cost and high recyclability. These batteries …

Particle tracking velocimetry in liquid gallium flow around a cylindrical obstacle

M Birjukovs, P Zvejnieks, T Lappan, M Sarma… - Experiments in …, 2022 - Springer
This paper demonstrates particle tracking velocimetry performed for a model system wherein
particle-laden liquid metal flow around a cylindrical obstacle was studied. We present the …

MHT-X: offline multiple hypothesis tracking with algorithm X

P Zvejnieks, M Birjukovs, M Klevs, M Akashi… - Experiments in …, 2022 - Springer
An efficient and versatile implementation of offline multiple hypothesis tracking with
Algorithm X for optimal association search was developed using Python. The code is …

[HTML][HTML] Synchrotron X-ray imaging study on the mechanism of solids transfer to bitumen froth during oil sands flotation 1: True flotation

H Zhang, L Xia, N Zhu, S Gasilov, I He… - Cleaner Engineering and …, 2025 - Elsevier
Unwanted mineral solids in bitumen froth can lead to increased solvent usage and higher
hydrocarbon loss in downstream processing, negatively impacting the cost-effectiveness …

Dynamic mode decomposition of magnetohydrodynamic bubble chain flow in a rectangular vessel

M Klevs, M Birjukovs, P Zvejnieks, A Jakovics - Physics of Fluids, 2021 - pubs.aip.org
We demonstrate the first application of dynamic mode decomposition (DMD) to bubble flow
with resolved dynamic liquid/gas boundaries. Specifically, we have applied DMD to the …

X-ray Particle Tracking Velocimetry in an Overflowing Foam

T Lappan, D Herting, M Ziauddin, J Stenzel… - Applied Sciences, 2023 - mdpi.com
In mineral processing, froth flotation is based on recovering valuable mineral particles by
means of the overflowing froth. Industrial-scale froth flotation cells are typically equipped …

Particle tracking velocimetry and trajectory curvature statistics for particle-laden liquid metal flow in the wake of a cylindrical obstacle

M Birjukovs, P Zvejnieks, T Lappan, M Klevs… - Experiments in …, 2024 - Springer
This paper presents the analysis of particle-laden liquid metal flow around a cylindrical
obstacle at different obstacle Reynolds numbers. Particles in liquid metal are imaged using …

X-ray and neutron radiographic experiments on particle-laden molten metal flows

T Lappan, M Sarma, S Heitkam, D Mannes… - Materials Processing …, 2021 - Springer
In metallurgical processing, non-metallic inclusions contaminating metallic materials are one
highly relevant challenge. Bubble injection into molten metals boosts the inclusion control …