Sustaining Earth's magnetic dynamo
Earth's magnetic field is generated by fluid motions in the outer core. This geodynamo has
operated for over 3.4 billion years. However, the mechanism that has sustained the …
operated for over 3.4 billion years. However, the mechanism that has sustained the …
Dynamos in the inner solar system
Dynamo magnetic fields are primarily generated by thermochemical convection of
electrically conductive liquid metal within planetary cores. Convection can be sustained by …
electrically conductive liquid metal within planetary cores. Convection can be sustained by …
Tidal insights into rocky and icy bodies: An introduction and overview
Bodily tides provide key information on the interior structure, evolution, and origin of the
planetary bodies. Our Solar system harbors a very diverse population of planetary bodies …
planetary bodies. Our Solar system harbors a very diverse population of planetary bodies …
Interplay between geostrophic vortices and inertial waves in precession-driven turbulence
The properties of rotating turbulence driven by precession are studied using direct numerical
simulations and analysis of the underlying dynamical processes in Fourier space. The study …
simulations and analysis of the underlying dynamical processes in Fourier space. The study …
Prograde and retrograde precession of a fluid-filled cylinder
F Pizzi, A Giesecke, J Šimkanin… - New Journal of …, 2021 - iopscience.iop.org
We numerically study precession driven flows in a cylindrical container whose nutation
angle varies between 60 and 90 degrees for prograde and retrograde precession. For …
angle varies between 60 and 90 degrees for prograde and retrograde precession. For …
Precession-driven flows in stress-free ellipsoids
Motivated by modelling rotating turbulence in planetary fluid layers, we investigate
precession-driven flows in ellipsoids subject to stress-free boundary conditions (SF-BC). The …
precession-driven flows in ellipsoids subject to stress-free boundary conditions (SF-BC). The …
Core eigenmodes and their impact on the Earth's rotation
Abstract Changes in the Earth's rotation are deeply connected to fluid dynamical processes
in the outer core. This connection can be explored by studying the associated Earth …
in the outer core. This connection can be explored by studying the associated Earth …
Fluid dynamics experiments for planetary interiors
Understanding fluid flows in planetary cores and subsurface oceans, as well as their
signatures in available observational data (gravity, magnetism, rotation, etc.), is a …
signatures in available observational data (gravity, magnetism, rotation, etc.), is a …
Lunar magnetism
Analyses of lunar rocks and magnetic field data from orbit show that the Moon once had a
global magnetic field generated by an internal dynamo. Magnetization of the deep crust …
global magnetic field generated by an internal dynamo. Magnetization of the deep crust …
[HTML][HTML] The effect of nutation angle on the flow inside a precessing cylinder and its dynamo action
V Kumar, F Pizzi, A Giesecke, J Šimkanin… - Physics of …, 2023 - pubs.aip.org
The effect of the nutation angle on the flow inside a precessing cylinder is experimentally
explored and compared with numerical simulations. The focus is laid on the typical …
explored and compared with numerical simulations. The focus is laid on the typical …