Dynamo theories

F Rincon - Journal of Plasma Physics, 2019 - cambridge.org
These lecture notes are based on a tutorial given in 2017 at a plasma physics winter school
in Les Houches. Their aim is to provide a self-contained graduate-student level introduction …

Liquid-metal experiments on geophysical and astrophysical phenomena

F Stefani - Nature Reviews Physics, 2024 - nature.com
Recent decades have seen enormous progress in the experimental investigation of
fundamental processes that are relevant to geophysical and astrophysical fluid dynamics …

Numerical simulation of electrovortex flows in cylindrical fluid layers and liquid metal batteries

W Herreman, C Nore, P Ziebell Ramos, L Cappanera… - Physical Review …, 2019 - APS
We use the multiphase magnetohydrodynamic code SFEMaNS to study the generation of
electrovortex flows in liquid metal batteries. We first reproduce some well known results in a …

Tayler instability in liquid metal columns and liquid metal batteries

W Herreman, C Nore, L Cappanera… - Journal of Fluid …, 2015 - cambridge.org
In this paper we investigate the Tayler instability in an incompressible, viscous and resistive
liquid metal column and in a model of a liquid metal battery (LMB). Detailed comparisons …

Influence of thermomagnetic convection and ferrofluid thermophysical properties on heat transfers in a cylindrical container heated by a solenoid

R Zanella, C Nore, F Bouillault, JL Guermond… - Journal of Magnetism …, 2019 - Elsevier
The thermal convection in a cylindrical container heated by a solenoid and cooled with an
oil-based ferrofluid is numerically studied. The temperature and the velocity fields are …

The DRESDYN project: liquid metal experiments on dynamo action and magnetorotational instability

F Stefani, A Gailitis, G Gerbeth, A Giesecke… - … & Astrophysical Fluid …, 2019 - Taylor & Francis
Magnetic fields of planets, stars and galaxies are generated by self-excitation in moving
electrically conducting fluids. Once produced, magnetic fields can play an active role in …

Numerical investigation of the flow inside a precession-driven cylindrical cavity with additional baffles using an immersed boundary method

M Wilbert, A Giesecke, R Grauer - Physics of Fluids, 2022 - pubs.aip.org
In this paper, we present a numerical approach to solve the Navier–Stokes equations for
arbitrary vessel geometries by combining a Fourier-spectral method with a direct-forcing …

Dynamo threshold detection in the von Kármán sodium experiment

S Miralles, N Bonnefoy, M Bourgoin, P Odier… - Physical Review E …, 2013 - APS
Predicting dynamo self-generation in liquid metal experiments has been an ongoing
question for many years. In contrast to simple dynamical systems for which reliable …

An Interior Penalty Method with Finite Elements for the Approximation of the Maxwell Equations in Heterogeneous Media: Convergence Analysis with Minimal …

A Bonito, JL Guermond, F Luddens - ESAIM: Mathematical Modelling …, 2016 - numdam.org
The present paper proposes and analyzes an interior penalty technique using C 0-finite
elements to solve the Maxwell equations in domains with heterogeneous properties. The …

Numerical simulation of the von Kármán sodium dynamo experiment

C Nore, DC Quiroz, L Cappanera… - Journal of Fluid …, 2018 - cambridge.org
We present hydrodynamic and magnetohydrodynamic (MHD) simulations of liquid sodium
flows in the von Kármán sodium (VKS) set-up. The counter-rotating impellers made of soft …