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Fifth International Symposium on Turbulence and Shear Flow Phenomena
August, 27-29, 2007, Technische Universität München, Munich, Germany

DOI: 10.1615/TSFP5

MAGNETOHYDRODYNAMIC TURBULENCE PRODUCED BY RECONNECTION INSTABILITY

pages 397-401
DOI: 10.1615/TSFP5.610
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Краткое описание

We present numerical simulations of incompressible magnetohydrodynamics for the study of the nonlinear evolution of three-dimensional reconnection instabilities in a configuration where a guide field is present and many resonant surfaces are simultaneously excited in different locations of the simulation domain. The behavior of the system is different from the case when only an antiparallel magnetic field is present. We observe coalescence of magnetic islands and the formation of an anisotropic energy spectrum, which is more developed in the direction perpendicular to the local equilibrium magnetic field. The characteristics of the turbulence is different from magnetohydrodynamic turbulence with a uniform average magnetic field.

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