dorsal/arxiv
View SchemaEnergy spectrum of turbulent fluctuations in boundary driven reduced magnetohydrodynamics
| Authors | Pablo Dmitruk, Daniel O. Gomez, William H. Matthaeus |
|---|---|
| Categories | |
| ArXiv ID | physics/0309111 |
| URL | https://arxiv.org/abs/physics/0309111 |
| DOI | 10.1063/1.1602698 |
| Journal | Phys. Plasmas, 10, 3584, 2003; http://link.aip.org/link/?php/10/3584 |
Abstract
The nonlinear dynamics of a bundle of magnetic flux ropes driven by stationary fluid motions at their endpoints is studied, by performing numerical simulations of the magnetohydrodynamic (MHD) equations. The development of MHD turbulence is shown, where the system reaches a state that is characterized by the ratio between the Alfven time (the time for incompressible MHD waves to travel along the field lines) and the convective time scale of the driving motions. This ratio of time scales determines the energy spectra and the relaxation toward different regimes ranging from weak to strong turbulence. A connection is made with phenomenological theories for the energy spectra in MHD turbulence.
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"abstract": "The nonlinear dynamics of a bundle of magnetic flux ropes driven by\nstationary fluid motions at their endpoints is studied, by performing numerical\nsimulations of the magnetohydrodynamic (MHD) equations. The development of MHD\nturbulence is shown, where the system reaches a state that is characterized by\nthe ratio between the Alfven time (the time for incompressible MHD waves to\ntravel along the field lines) and the convective time scale of the driving\nmotions. This ratio of time scales determines the energy spectra and the\nrelaxation toward different regimes ranging from weak to strong turbulence. A\nconnection is made with phenomenological theories for the energy spectra in MHD\nturbulence.",
"arxiv_id": "physics/0309111",
"authors": [
"Pablo Dmitruk",
"Daniel O. Gomez",
"William H. Matthaeus"
],
"categories": [
"physics.plasm-ph",
"physics.flu-dyn"
],
"doi": "10.1063/1.1602698",
"journal_ref": "Phys. Plasmas, 10, 3584, 2003;\n http://link.aip.org/link/?php/10/3584",
"title": "Energy spectrum of turbulent fluctuations in boundary driven reduced magnetohydrodynamics",
"url": "https://arxiv.org/abs/physics/0309111"
},
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