7.10.2020

Iron Snow

29.9.2020

Ekman boundary layers in a fluid filled precessing cylinder

22.9.2020

Four frequency solution in a magnetohydrodynamic Couette flow as a consequence of azimuthal symmetry breaking

13.7.2020

Strongly inertial oscillatory flows in liquid metal rotating convection

7.7.2020

The connection of the Busse solution in spheroids with precession-driven flow in the cylinder

30.6.2020

Return flow instability in magnetic spherical Couette flow

22.6.2020

Helicity Synchronisation – Episode I: Generating a Tide-like flow in a Cylindrical Vessel by Electromagnetic Forcing

16.6.2020

One-Winged Butterflies: Mode Selection for Azimuthal Magnetorotational Instability by Thermal convection.

9.6.2020

The Water Precession Experiment

26.5.2020

MHD turbulence in shear flows and astrophysicial disks – specific anisotropy of nonlinear processes, nonmodal growth and sustenance

19.5.2020

Shaken, not stirred: When Bond meets Suess-de Vries and Gnevyshev-Ohl

5.5.2020

Chaotic flows in the spherical Couette system under the influence of a weak applied magnetic field

28.4.2020

Algae in the (synchronized) Sun

10.3.2020

Modal acoustic velocimetry in a gas filled rotating spheroid

25.2.2020

A new type of helical MRI in rotating flows with positive shear

11.02.2020

The status of the MRI/TAYLER experiment

14.01.2020

Simulations and experiments on perturbed thermal convection

17.12.2019

Galactic and stellar dynamos in light of observational data

03.12.2019

Towards a self-consistent model for synchronizing short and long-term solar cycles by planetary force.

29.11.2019

Wavelet analysis of the phase locking effect in the real and simulated data of solar activity

19.11.2019

Examples of synchronization in periodically perturbed dynamo models and in precession driven flows

5.11.2019

Spatial Damping of Compressional MHD waves in Solar Prominences: Effect of Background Flow

29.10

Induced Flow at the H/R=1 Rayleigh-Benard Cylinder -- Preparative Experiments

17.9.2019

Application of R for the analysis of time series

10.9.2019

The connection of AMRI and thermal convection

26.06.2019

First Results from the Rayleigh Bernard Synchronisation Experiment

11.06.2019

Tuning a precession driven flow for optimised magnetic field
generation in the DRESDYN dynamo experiment

05.06.2019

Numerical simulations for the precession experiment

Movie 1: nutation angle 1°

Movie 2: nutation angle 45°

Movie 3: nutation angle 60°

Movie 4: nutation angle 90°

28.05.2019

Geodynamo modelling at extremely small Ekman and magnetic Prandtl numbers

14.05.2019

Schove's data reconsidered

07.05.2019

Measurement of acoustic eigenmodes

16.04.2019

Resonance and Synchronization in Thermal Convection

09.04.2019

Workshop on methods for acoustic velocimetry

(time-of-travel and seismology/tomography)

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Literature:

Bruneau, Garing and Leblond, J. Acoust. Soc. Am 80 (2), 1986

"A rate gyro based on acoustic mode coupling"

Kosovichev, J Comp App Math 109, 1999, 1--39

"Inversion methods in helioseismology and solar tomography"

Rona, "The acoustic resonance of rectangular and cylindrical cavities"

Triana, Zimmerman, Nataf, Thorette, Lekic, Lathrop, New J Phys 16, 113005, 2014

"Helioseismology in a bottle: modal acoustic velocimetry"

Langfellner, Gizon, and Birch, Astron. Astrophys. 570, A90, 2014

"Time-distance helioseismology: A new averaging scheme for measuring flow vorticity"

Johnson, Greenleaf, Tanaka and Flandro, ISA Transactions 16 (3), 1977

"Reconstructing Three-Dimensional Temperature and Fluid Velocity Vector Fields from Acoustic Transmission Measurements"

Schuster, "20 years of imaging in vector field tomography: a review"

03.04.2019

(WEDNESDAY!)

The HEDGEHOG Experiment: Bifurcations and Waves in SO(2) Symmetric Systems

Movies and Literature can be found at

/net/cns/projects/mri/SphericalMRI/04_Simulation/Ferran/astroMHD_seminar03-04-19

Towards the First Precession Experiments in DRESDYN

Movie 1: 3D isosurfaces of axial flow from simulations at Re=10000

Movie 2: Structure of precession driven flow in water experiment