Laboratory Experiments on Magnetic Phenomena in Geo- and Astrophysics

Informazioni relative al progetto

LEMAP

ID dell’accordo di sovvenzione: 787544

DOI 10.3030/787544

Progetto chiuso

Data della firma CE 7 Giugno 2018

Data di avvio 1 Novembre 2018

Data di completamento 31 Ottobre 2023

Finanziato da

• EXCELLENT SCIENCE - European Research Council (ERC)

Costo totale € 2 493 250,00

Contributo UE € 2 493 250,00

Coordinato da

HELMHOLTZ-ZENTRUM DRESDEN-ROSSENDORF EV
Germany

Risultati finali

Open Research Data Pilot (1)

Data Management Plan

Participation in the Open Research Data Pilot

Pubblicazioni

Peer reviewed articles (38)

The effect of nutation angle on the flow inside a precessing cylinder and its dynamo action

Autori: Vivaswat Kumar, Federico Pizzi, André Giesecke, Ján Šimkanin, Thomas Gundrum, Matthias Ratajczak, Frank Stefani
Pubblicato in: Physics of Fluids, Numero 35, 2023, Pagina/e 014114, ISSN 1089-7666
Editore: American Institute of Physics
DOI: 10.1063/5.0134562

Shaken and Stirred: When Bond Meets Suess–de Vries and Gnevyshev–Ohl

Autori: F. Stefani, R. Stepanov, T. Weier
Pubblicato in: Solar Physics, Numero 296/6, 2021, ISSN 0038-0938
Editore: Kluwer Academic Publishers
DOI: 10.1007/s11207-021-01822-4

Ekman boundary layers in a fluid filled precessing cylinder

Autori: F. Pizzi, A. Giesecke, F. Stefani
Pubblicato in: AIP Advances, Numero 11/3, 2021, Pagina/e 035023, ISSN 2158-3226
Editore: American Institute of Physics Inc.
DOI: 10.1063/5.0037922

A Synchronized Two-Dimensional alpha-Omega–Model of the Solar Dynamo

Autori: M. Klevs, F. Stefani, L. Jouve
Pubblicato in: Solar Physics, Numero 298, 2023, Pagina/e 90, ISSN 0038-0938
Editore: Kluwer Academic Publishers
DOI: 10.1007/s11207-023-02173-y

Convection-caused symmetry breaking of azimuthal magnetorotational instability in a liquid metal Taylor--Couette flow

Autori: M. Seilmayer, J. Ogbonna, F. Stefani
Pubblicato in: Magnetohydrodynamics, Numero 56/2-3, 2020, Pagina/e 225-236, ISSN 0024-998X
Editore: Consultants Bureau
DOI: 10.22364/mhd.56.2-3.14

Zero Net Flux MRI Turbulence in Disks: Sustenance Scheme and Magnetic Prandtl Number Dependence

Autori: George Mamatsashvili, George Chagelishvili, Martin E. Pessah, Frank Stefani, Gianluigi Bodo
Pubblicato in: The Astrophysical Journal, Numero 904/1, 2020, Pagina/e 47, ISSN 1538-4357
Editore: IOP
DOI: 10.3847/1538-4357/abbd42

Convective, absolute and global azimuthal magnetorotational instabilities

Autori: A. Mishra, G. Mamatsashvili, V. Galindo, F. Stefani
Pubblicato in: Journal of Fluid Mechanics, Numero 922, 2021, ISSN 0022-1120
Editore: Cambridge University Press
DOI: 10.1017/jfm.2021.548

Current-driven kink instabilities in relativistic jets: dissipation properties

Autori: G Bodo; G Mamatsashvili; P Rossi; A Mignone
Pubblicato in: Monthly Notices of the Royal Astronomical Society 510(2022)2, 2391-2406, Numero 510, 2021, Pagina/e 2391-2406, ISSN 1365-2966
Editore: Royal Astronomical Society
DOI: 10.48550/arxiv.2111.14575

Four-Frequency Solution in a Magnetohydrodynamic Couette Flow as a Consequence of Azimuthal Symmetry Breaking

Autori: F. Garcia, M. Seilmayer, A. Giesecke, F. Stefani
Pubblicato in: Physical Review Letters, Numero 125/26, 2020, Pagina/e 264501, ISSN 0031-9007
Editore: American Physical Society
DOI: 10.1103/physrevlett.125.264501

No evidence for absence of solar dynamo synchronization

Autori: Stefani, F.; Beer, J.; Weier, T.
Pubblicato in: Solar Physics, Numero 83, 2023, Pagina/e 298, ISSN 1573-093X
Editore: Springer nature
DOI: 10.1007/s11207-023-02174-x

High dimensional tori and chaotic and intermittent transients in magnetohydrodynamic Couette flows

Autori: F. Garcia; J. Ogbonna; A. Giesecke; F. Stefani
Pubblicato in: Communications in Nonlinear Science and Numerical Simulation 118(2023), 107030, Numero 118, 2023, Pagina/e 107030, ISSN 1878-7274
Editore: Elsevier
DOI: 10.1016/j.cnsns.2022.107030

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

Autori: Ashish Mishra; George Mamatsashvili; Frank Stefani
Pubblicato in: Physical Review Fluids, Numero 7, 2022, Pagina/e 064802, ISSN 2469-990X
Editore: Americal Physical Society
DOI: 10.48550/arxiv.2112.01399

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

Autori: A. Mishra, G. Mamatsashvili, F. Stefani
Pubblicato in: Physical Review Fluids, Numero 8, 2023, Pagina/e 083902, ISSN 2469-990X
Editore: Americal Physical Society
DOI: 10.1103/physrevfluids.8.083902

Long term time dependent frequency analysis of chaotic waves in the weakly magnetized spherical Couette system

Autori: Ferran Garcia, Martin Seilmayer, André Giesecke, Frank Stefani
Pubblicato in: Physica D: Nonlinear Phenomena, Numero 418, 2021, Pagina/e 132836, ISSN 0167-2789
Editore: Elsevier BV
DOI: 10.1016/j.physd.2020.132836

Tidally Forced Planetary Waves in the Tachocline of Solar-like Stars

Autori: Gerrit M. Horstmann, George Mamatsashvili, André Giesecke, Teimuraz V. Zaqarashvili, and Frank Stefani
Pubblicato in: Astrophysical Journal, Numero 944, 2023, Pagina/e 48, ISSN 0004-637X
Editore: University of Chicago Press
DOI: 10.3847/1538-4357/aca278

Analyzing a modulated electromagnetic m=2 forcing and its capability to synchronize the Large Scale Circulation in a Rayleigh-Bénard cell of aspect ratio Г = 1

Autori: Röhrborn, S.; Jüstel, P.; Galindo, V.; Gundrum, T.; Schindler, F.; Stefani, F.; Stepanov, R.; Vogt, T.
Pubblicato in: Magnetohydrodynamics, Numero 58, 2022, Pagina/e 187-194, ISSN 1574-0579
Editore: University of Latvia
DOI: 10.22364/mhd.58.1-2.20

Magnetically induced gluing bifurcations of three-tori in spherical Couette flows

Autori: F. Garcia
Pubblicato in: Physics of Fluids, Numero 35, 2023, Pagina/e 111704, ISSN 1089-7666
Editore: AIP
DOI: 10.1063/5.0174155

Weak branch and multimodal convection in rapidly rotating spheres at low Prandtl number

Autori: Frank Stefani; Emmanuel Dormy; Fernando Garcia
Pubblicato in: Physical Review Fluids, Numero 6, 2021, Pagina/e 123501, ISSN 2469-990X
Editore: Americal Physical Society
DOI: 10.48550/arxiv.2112.07973

Numerical simulation of tidal synchronization of the large-scale circulation in Rayleigh-Bénard convection with aspect ratio 1

Autori: Röhrborn, S.; Jüstel, P.; Galindo, V.; Stefani, F.; Stepanov, R.
Pubblicato in: Magnetohydrodynamics, Numero 58, 2022, Pagina/e 285-292, ISSN 1574-0579
Editore: University of Latvia
DOI: 10.48550/arxiv.2209.07173

Prograde and retrograde precession of a fluid-filled cylinder

Autori: Federico Pizzi; André Giesecke; Jan Simkanin; Frank Stefani
Pubblicato in: New Journal of Physics, Numero 23, 2021, Pagina/e 123016, ISSN 1367-2630
Editore: Institute of Physics Publishing
DOI: 10.1088/1367-2630/ac3c0f

Interplay between geostrophic vortices and inertial waves in precession-driven turbulence

Autori: F. Pizzi, G. Mamatsashvili, A. J. Barker, A. Giesecke, F. Stefani
Pubblicato in: Physics of Fluids, Numero 34, 2022, Pagina/e 125135, ISSN 1089-7666
Editore: American Institute ofp Physics
DOI: 10.1063/5.0131035

Solar and Anthropogenic Influences on Climate: Regression Analysis and Tentative Predictions

Autori: Frank Stefani
Pubblicato in: Climate, Numero 9/11, 2021, Pagina/e 163, ISSN 2225-1154
Editore: MDPI
DOI: 10.3390/cli9110163

A Model of a Tidally Synchronized Solar Dynamo

Autori: F. Stefani, A. Giesecke, T. Weier
Pubblicato in: Solar Physics, Numero 294/5, 2019, ISSN 0038-0938
Editore: Kluwer Academic Publishers
DOI: 10.1007/s11207-019-1447-1

Chaotic wave dynamics in weakly magnetized spherical Couette flows

Autori: Ferran Garcia, Martin Seilmayer, André Giesecke, Frank Stefani
Pubblicato in: Chaos: An Interdisciplinary Journal of Nonlinear Science, Numero 30/4, 2020, Pagina/e 043116, ISSN 1054-1500
Editore: American Institute of Physics
DOI: 10.1063/1.5140577

Two types of axisymmetric helical magnetorotational instability in rotating flows with positive shear

Autori: George Mamatsashvili, Frank Stefani, Rainer Hollerbach, Günther Rüdiger
Pubblicato in: Physical Review Fluids, Numero 4/10, 2019, ISSN 2469-990X
Editore: APS
DOI: 10.1103/physrevfluids.4.103905

Numerical and theoretical framework for the DRESDYN precession dynamo experiment

Autori: Pizzi, F.; Giesecke, A.; Simkanin, J.; Kumar, V.; Gundrum, T.; Stefani, F.
Pubblicato in: Magnetohydrodynamics, Numero 58, 2022, Pagina/e 445-453, ISSN 1574-0579
Editore: University of Latvia
DOI: 10.48550/arxiv.2301.08076

Alfvén wave experiments with liquid rubidium in a pulsed magnetic field

Autori: Gundrum, Th.; Forbriger, J.; Herrmannsdörfer, Th.; Mamatsashvili, G.; Schnauck, S.; Stefani, F.; Wosnitza, J.
Pubblicato in: Magnetohydrodynamics, Numero 58, 2022, Pagina/e 389-395, ISSN 1574-0579
Editore: University of Latvia
DOI: 10.48550/arxiv.2301.08463

Negative Magnetic Diffusivity β Replacing the α Effect in the Helical Dynamo

Autori: Kiwan Park
Pubblicato in: The Astrophysical Journal, Numero 898/2, 2020, Pagina/e 112, ISSN 1538-4357
Editore: IOP Publishing
DOI: 10.3847/1538-4357/ab9b89

Dynamic transitions of the magnetized spherical Couette flow between its base state and the return flow instability

Autori: J Ogbonna, F Garcia, T Gundrum, M Seilmayer, F Stefani
Pubblicato in: IOP Conference Series: Materials Science and Engineering, Numero 1234, 2022, Pagina/e 012004, ISSN 1757-899X
Editore: Institute of Physics
DOI: 10.1088/1757-899x/1223/1/012004

Phase coherence and phase jumps in the Schwabe cycle

Autori: Frank Stefani, Jürg Beer, André Giesecke, Timo Gloaguen, Martin Seilmayer, Rodion Stepanov, Tom Weier
Pubblicato in: Astronomische Nachrichten, Numero 341/6-7, 2020, Pagina/e 600-615, ISSN 0004-6337
Editore: John Wiley & Sons Ltd.
DOI: 10.1002/asna.202013809

MRI turbulence in accretion discs at large magnetic Prandtl numbers

Autori: Held, Loren E.; Mamatsashvili, George
Pubblicato in: Monthly Notices of the Royal Astronomical Society 517(2022)2, 2309-2330, Numero 517, 2022, Pagina/e 2309-2330, ISSN 1365-2966
Editore: Royal Astronomical Society
DOI: 10.1093/mnras/stac2656

Experimental investigation of the return flow instability in magnetized spherical Couette flows

Autori: J. Ogbonna, F. Garcia, T. Gundrum, M. Seilmayer, F. Stefani
Pubblicato in: Physics of Fluids, Numero 32/12, 2020, Pagina/e 124119, ISSN 1070-6631
Editore: American Institute of Physics
DOI: 10.1063/5.0029570

Synchronizing the helicity of Rayleigh–Bénard convection by a tide-like electromagnetic forcing

Autori: Peter Jüstel; Sebastian Röhrborn; Sven Eckert; Vladimir Galindo; Thomas Gundrum; Rodion Stepanov; Frank Stefani
Pubblicato in: Physics of Fluids, Numero 34, 2022, Pagina/e 104115, ISSN 1089-7666
Editore: Americal Institute of Physics
DOI: 10.1063/5.0114035

Schwabe, Gleissberg, Suess-de Vries: Towards a consistent model of planetary synchronization of solar cycles

Autori: F. Stefani, M. Seilmayer, R. Stepanov, T. Weier
Pubblicato in: Magnetohydrodynamics, Numero 56/2-3, 2020, Pagina/e 269-280, ISSN 0024-998X
Editore: Consultants Bureau
DOI: 10.22364/mhd.56.2-3.18

Generating a tide-like flow in a cylindrical vessel by electromagnetic forcing

Autori: Peter Jüstel, Sebastian Röhrborn, Peter Frick, Vladimir Galindo, Thomas Gundrum, Felix Schindler, Frank Stefani, Rodion Stepanov, Tobias Vogt
Pubblicato in: Physics of Fluids, Numero 32/9, 2020, Pagina/e 097105, ISSN 1070-6631
Editore: American Institute of Physics
DOI: 10.1063/5.0015271

Mode Conversion and Period Doubling in a Liquid Rubidium Alfvén-Wave Experiment with Coinciding Sound and Alfvén Speeds.

Autori: F. Stefani; J. Forbriger; Th. Gundrum; T. Herrmannsdörfer; J. Wosnitza
Pubblicato in: Physical Review Letters, Numero 127, 2021, Pagina/e 275001, ISSN 1079-7114
Editore: Americal Physical Society
DOI: 10.1103/physrevlett.127.275001

Modulated rotating waves and triadic resonances in spherical fluid systems: The case of magnetized spherical Couette flow

Autori: F. Garcia, A. Giesecke, F. Stefani
Pubblicato in: Physics of Fluids, Numero 33/4, 2021, Pagina/e 044105, ISSN 1070-6631
Editore: American Institute of Physics
DOI: 10.1063/5.0049516

Simultaneous Measurement of Flow Velocity and Electrical Conductivity of a Liquid Metal Using an Eddy Current Flow Meter in Combination with a Look-Up-Table Method

Autori: N. Krauter; F. Stefani
Pubblicato in: Sensors, Numero 23, 2023, Pagina/e 9018, ISSN 1424-8220
Editore: Multidisciplinary Digital Publishing Institute (MDPI)
DOI: 10.3390/s23229018