Deep learning methods for neutron image restoration

J Yang, C Zhao, S Qiao, T Zhang, X Yao - Annals of Nuclear Energy, 2023 - Elsevier
Traditional neutron image restoration (NIR) methods lack flexibility and generalization in
dealing with multiple image restoration tasks, which indirectly limits the practical applications …

Effects of a horizontal magnetic field on the cross-sectional distribution of gas bubbles chain rising in a gallium alloy

H Murakawa, S Maeda, S Eckert - International Journal of Multiphase Flow, 2024 - Elsevier
Understanding the behavior of rising bubbles in a liquid metal under the influence of a
magnetic field (MF) is crucial for optimizing continuous casting processes. The study …

Magnetic control of magnetotactic bacteria swarms

M Birjukovs, K Bente, D Faivre, G Kitenbergs… - arxiv preprint arxiv …, 2024 - arxiv.org
Magnetotactic bacteria (MTB) are of significant fundamental and practical interest, especially
for applications such as drug delivery and general-purpose object manipulators and …

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 …

Shape deformations and instabilities of single bubble rising in liquid metals

M Corrado - Physics of Fluids, 2022 - pubs.aip.org
In this study, a computational fluid dynamics simulation was used to study single bubble flow
in liquid metal. Until now, bubble trajectory and shape [Mougin, G. and Magnaudet, J.,“Path …

Numerical analysis and structural optimization of a DLC coated capacitance wire-mesh sensor for measuring liquid metal-gas two-phase distribution

R Bao, L Liu, S Liu, M Liu, K Wang, H Gu - Annals of Nuclear Energy, 2024 - Elsevier
The detection of liquid metal-gas two-phase distribution in lead-cooled fast reactor once
steam generator tube rupture occurs is vital to the security assessment of the reactor core. In …

Manufacturing

E Polatidis, F Malamud, P Trtik - Neutron Imaging: From applied …, 2024 - iopscience.iop.org
Advanced materials and manufacturing processes propelled our society by impacting the
construction, transportation, electronics and medical sectors. Today, state-of-the-art …

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 …

An image processing pipeline for in situ dynamic x-ray imaging of directional solidification of metal alloys in thin cells

M Birjukovs, N Shevchenko, S Eckert - Experiments in Fluids, 2023 - Springer
We present an image processing algorithm developed for quantitative analysis of directional
solidification of metal alloys in thin cells using x-ray imaging. Our methodology allows to …