Sloshing instability and electrolyte layer rupture in liquid metal batteries

N Weber, P Beckstein, W Herreman, GM Horstmann… - Physics of …, 2017 - pubs.aip.org
Liquid metal batteries (LMBs) are discussed today as a cheap grid scale energy storage, as
required for the deployment of fluctuating renewable energies. Built as stable density …

Perturbation theory for metal pad roll instability in cylindrical reduction cells

W Herreman, C Nore, JL Guermond… - Journal of fluid …, 2019 - cambridge.org
We propose a new theoretical model for metal pad roll instability in idealized cylindrical
reduction cells. In addition to the usual destabilizing effects, we model viscous and Joule …

A new method to improve the efficiency of liquid metal batteries based on magnetohydrodynamic instability analysis

K Liu, L Chen, J Guo, B Li, L Huang - Journal of Power Sources, 2021 - Elsevier
Recently, liquid metal batteries (LMBs) as a potentially cheap grid scale energy storage are
investigated popularly again. At present, the reason, why LMBs still cannot be promoted …

Measurement of interfacial wave dynamics in orbitally shaken cylindrical containers using ultrasound pulse-echo techniques

GM Horstmann, M Wylega, T Weier - Experiments in Fluids, 2019 - Springer
We present a novel experiment on interfacial wave dynamics in orbitally shaken cylindrical
vessels containing two and three fluid layers. The experiment was designed as a …

Momentum‐based approximation of incompressible multiphase fluid flows

L Cappanera, JL Guermond… - … Journal for Numerical …, 2018 - Wiley Online Library
We introduce a time stepping technique using the momentum as dependent variable to
solve incompressible multiphase problems. The main advantage of this approach is that the …

The effect of “wave breakers” on the magnetohydrodynamic instability in aluminum reduction cells

A Pedcenko, S Molokov, B Bardet - Metallurgical and Materials …, 2017 - Springer
We report the results of the experiments on the suppression of the MHD instability in a model
of the aluminum reduction cells (Pedchenko et al. in EPL 88: 24001, 2009). The idea behind …

Classification of instability modes in a model of aluminium reduction cells with a uniform magnetic field

S Molokov, G El, A Lukyanov - Theoretical and Computational Fluid …, 2011 - Springer
A unified view on the interfacial instability in a model of aluminium reduction cells in the
presence of a uniform, vertical, background magnetic field is presented. The classification of …

ELECTROVORTEX FLOWS GENERATED BY ELECTRODES LOCALIZED ON THE CYLINDER SIDE WALL.

S Mandrykin, I Kolesnichenko… - Magnetohydrodynamics …, 2019 - search.ebscohost.com
An electrovortex flow of gallium alloy generated in a cylindrical cell by two electrodes
localized at the side walls is studied experimentally. It is shown that the electrovortex flow in …

Stability theory for metal pad roll in cylindrical liquid metal batteries

W Herreman, L Wierzchalek, GM Horstmann… - Journal of Fluid …, 2023 - cambridge.org
When liquid metal batteries are charged or discharged, strong electrical currents are
passing through the three liquid layers that we find in their interior. This may result in the …

Feasibility of metal pad roll instability experiments at room temperature

C Nore, L Cappanera, JL Guermond, T Weier… - Physical Review Letters, 2021 - APS
Combining theoretical arguments and numerical simulations, we demonstrate that the metal
pad roll instability can occur in a centimeter-scale setup with reasonable values of the …