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 …

The varying core magnetic field from a space weather perspective

M Mandea, M Purucker - Space Science Reviews, 2018 - Springer
This paper summarizes recent advances in our understanding of geomagnetism, and its
relevance to terrestrial space weather. It also discusses specific core magnetic field features …

On the inverse cascade and flow speed scaling behaviour in rapidly rotating Rayleigh–Bénard convection

S Maffei, MJ Krouss, K Julien… - Journal of Fluid …, 2021 - cambridge.org
On the inverse cascade and flow speed scaling behaviour in rapidly rotating Rayleigh–Bénard
convection Page 1 J. Fluid Mech. (2021), vol. 913, A18, doi:10.1017/jfm.2020.1058 On the …

Continuous data assimilation for the 2D magnetohydrodynamic equations using one component of the velocity and magnetic fields

A Biswas, J Hudson, A Larios, Y Pei - Asymptotic Analysis, 2018 - content.iospress.com
We propose several continuous data assimilation (downscaling) algorithms based on
feedback control for the 2D magnetohydrodynamic (MHD) equations. We show that for …

Electromagnetically driven anticyclonic rotation in spherical Couette flow

D Proal, DR Domínguez-Lozoya, A Figueroa… - Journal of Fluid …, 2023 - cambridge.org
The electromagnetically driven anticyclonic flow in the wide gap of a rotating concentric
spheres system is studied experimentally and numerically in the laminar regime. The …

Simple stochastic model for geomagnetic excursions and reversals reproduces the temporal asymmetry of the axial dipole moment

A Molina-Cardín, L Dinis… - Proceedings of the …, 2021 - National Acad Sciences
We present a simple model for the axial dipole moment (ADM) of the geomagnetic field
based on a stochastic differential equation for two coupled particles in a biquadratic …

Universality of the shear viscosity of alkali metals

N Meyer, H Xu, JF Wax - Physical Review B, 2017 - APS
The universality of the shear viscosity of alkali metals is studied up to high pressure.
Equilibrium molecular dynamics simulations are used to calculate the stress autocorrelation …

The DRESDYN precession experiment

F Stefani, S Anders, S Eckert… - Comptes …, 2024 - comptes-rendus.academie-sciences …
The most ambitious project within the DREsden Sodium facility for DYNamo and
thermohydraulic studies (DRESDYN) at Helmholtz-Zentrum Dresden-Rossendorf (HZDR) is …

Thermal convection in rotating spherical geometry: A numerical overview of the transitions from periodic axisymmetric to temporally complex three-dimensional flows

J Sánchez Umbría, M Net - Physical Review E, 2022 - APS
The aim of this work is to elucidate the type of transitions that take place when the periodic
axisymmetric flows, which can set up at the onset of thermal convection in rotating fluid …

Ab initio study of structural, elastic and thermodynamic properties of Fe3S at high pressure: Implications for planetary cores

K Valencia, AD Moya, G Morard, NL Allan… - American …, 2022 - degruyter.com
Using density functional theory electronic structure calculations, the equation of state,
thermodynamic and elastic properties, and sound wave velocities of Fe3S at pressures up to …