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NONLINEAR MHD SIMULATIONS OF WAVE DISSIPATION IN FLUX TUBES

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Abstract

The phase mixing and resonant dissipation of Alfvén waves is studied in both the 'closed' magnetic loops and the 'open' coronal holes observed in the hot solar corona. The resulting energy transfer from large to small length scales contributes to the heating of these magnetic structures. The nonlinear simulations show that the periodically varying shear flows that occur in the resonant layers are unstable. In coronal holes, the phase mixing of running Alfvén waves is speeded up by the 'flaring out' of the magnetic field lines in the lower chromosphere.

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Poedts, S., Tóth, G., Beliën, A. et al. NONLINEAR MHD SIMULATIONS OF WAVE DISSIPATION IN FLUX TUBES. Solar Physics 172, 45–52 (1997). https://doi.org/10.1023/A:1004924017304

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  • DOI: https://doi.org/10.1023/A:1004924017304

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