Electrolysis in reduced gravitational environments: current research perspectives and future applications

Ö Akay, A Bashkatov, E Coy, K Eckert, KE Einarsrud… - npj …, 2022 - nature.com
Electrochemical energy conversion technologies play a crucial role in space missions, for
example, in the Environmental Control and Life Support System (ECLSS) on the …

[HTML][HTML] Deep learning assisted physics-based modeling of aluminum extraction process

H Robinson, E Lundby, A Rasheed… - … Applications of Artificial …, 2023 - Elsevier
Modeling complex physical processes such as the extraction of aluminum is mainly done
using pure physics-based models derived from first principles. However, the accuracy of …

[HTML][HTML] Sparse deep neural networks for modeling aluminum electrolysis dynamics

ETB Lundby, A Rasheed, JT Gravdahl… - Applied Soft Computing, 2023 - Elsevier
Deep neural networks have become very popular in modeling complex nonlinear processes
due to their extraordinary ability to fit arbitrary nonlinear functions from data with minimal …

Explanation of bubble nucleation mechanisms: a gradient theory approach

KJ Vachaparambil, KE Einarsrud - Journal of The …, 2018 - iopscience.iop.org
A Helmholtz free energy description of the four nucleation mechanisms used to explain the
bubble nucleation in electrochemical systems is presented. The mechanisms are compared …

[HTML][HTML] Numerical simulation of continuum scale electrochemical hydrogen bubble evolution

KJ Vachaparambil, KE Einarsrud - Applied Mathematical Modelling, 2021 - Elsevier
One of the important aspects in improving the efficiency of electrochemical processes, such
as water electrolysis, is the efficient removal of bubbles which evolve from the electrodes …

A heat and mass transfer problem for the dissolution of an alumina particle in a cryolite bath

A Kovács, CJW Breward, KE Einarsrud… - International Journal of …, 2020 - Elsevier
We investigate the spherically symmetric dissolution of an initially cold alumina particle in a
bath of molten cryolite. The cryolite initially freezes on the particle, forming a shell that must …

[HTML][HTML] Numerical simulation of bubble growth in a supersaturated solution

KJ Vachaparambil, KE Einarsrud - Applied Mathematical Modelling, 2020 - Elsevier
In this paper, a Volume of Fluid (VOF) based approach to simulate the growth of a pre-
existing bubble in a supersaturated solution is developed and implemented in OpenFOAMⓇ …

[HTML][HTML] Source-Load Collaborative Optimization Method Considering Core Production Constraints of Electrolytic Aluminum Load

Y Jiang, Z Wang, S Bian, S Liao, H Lu - Energies, 2024 - mdpi.com
With the deep implementation of the national “dual carbon” strategy, the development of a
new power system dominated by renewable energy has accelerated significantly …

[HTML][HTML] Multi-physical field coupling numerical investigation of alumina dissolution

W Hou, H Li, M Li, B Zhang, Y Wang, Y Gao - Applied Mathematical …, 2019 - Elsevier
Alumina dissolution, which is controlled by both heat and mass transfer mechanisms, is a
key process in the aluminum electrolytic cell. A solution module for alumina dissolution …

Experimental and numerical investigations on transient multiscale bubble behaviors in CuSO4 aqueous solution electrolysis cell

M Sun, B Li, Z Liu, L Tang - Chemical Engineering Journal, 2022 - Elsevier
The present investigation demonstrates the transient multiscale bubble behaviors including
the bubble homogeneous nucleation, continuous growth, disordered collision and …