Taylor–Couette flow for astrophysical purposes

H Ji, J Goodman - … Transactions of the Royal Society A, 2023 - royalsocietypublishing.org
A concise review is given of astrophysically motivated experimental and theoretical research
on Taylor–Couette flow. The flows of interest rotate differentially with the inner cylinder faster …

[HTML][HTML] Identification of a non-axisymmetric mode in laboratory experiments searching for standard magnetorotational instability

Y Wang, EP Gilson, F Ebrahimi, J Goodman… - Nature …, 2022 - nature.com
The standard magnetorotational instability (SMRI) is a promising mechanism for turbulence
and rapid accretion in astrophysical disks. It is a magnetohydrodynamic (MHD) instability …

Nonlinear evolution of magnetorotational instability in a magnetized Taylor-Couette flow: Scaling properties and relation to upcoming DRESDYN-MRI experiment

A Mishra, G Mamatsashvili, F Stefani - Physical Review Fluids, 2023 - APS
Magnetorotational instability (MRI) is considered as the most likely mechanism driving
angular momentum transport in astrophysical disks. However, despite many efforts, a direct …

[HTML][HTML] Liquid sodium models of the Earth's core

MM Adams, DR Stone, DS Zimmerman… - Progress in Earth and …, 2015 - Springer
Our understanding of the dynamics of the Earth's core can be advanced by a combination of
observation, experiments, and simulations. A crucial aspect of the core is the interplay …

Stability of quasi-Keplerian shear flow in a laboratory experiment

E Schartman, H Ji, MJ Burin, J Goodman - Astronomy & Astrophysics, 2012 - aanda.org
Context. Subcritical transition to turbulence has been proposed as a source of turbulent
viscosity required for the associated angular momentum transport for fast accretion in …

Angular momentum transport by Keplerian turbulence in liquid metals

M Vernet, S Fauve, C Gissinger - Physical Review Letters, 2022 - APS
We report a laboratory study of the transport of angular momentum by a turbulent flow of an
electrically conducting fluid confined in a thin disk. When the electromagnetic force applied …

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 …

From helical to standard magnetorotational instability: Predictions for upcoming liquid sodium experiments

A Mishra, G Mamatsashvili, F Stefani - Physical Review Fluids, 2022 - APS
We conduct a linear analysis of axisymmetric magnetorotational instability (MRI) in a
magnetized cylindrical Taylor-Couette (TC) flow for its standard version (SMRI) with a purely …

Nonaxisymmetric modes of magnetorotational and possible hydrodynamical instabilities in the upcoming DRESDYN-MRI experiments: Linear and nonlinear dynamics

A Mishra, G Mamatsashvili, F Stefani - Physical Review Fluids, 2024 - APS
The quest for an unambiguous detection of magnetorotational instability (MRI) in
experiments is still ongoing despite recent promising results. To conclusively identify MRI in …

Weakly magnetized, Hall dominated plasma Couette flow

K Flanagan, J Milhone, J Egedal, D Endrizzi, J Olson… - Physical Review Letters, 2020 - APS
A novel plasma equilibrium in the high-β, Hall regime that produces centrally peaked, high
Mach number Couette flow is described. Flow is driven using a weak, uniform magnetic field …