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      Viscous effects in planar magnetic X-point reconnection

      Craig, Ian J.D.; Litvinenko, Yuri E.; Senanayake, Tissa
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      Viscous effects.pdf
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      DOI
       10.1051/0004-6361:20041933
      Link
       www.aanda.org
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      Craig, I.J.D., Litvinenko, Y.E. & Senanayake, T. (2005). Viscous effects in planar magnetic X-point reconnection. Astronomy & Astrophysics, 433(3), 1139-1143.
      Permanent Research Commons link: https://hdl.handle.net/10289/5431
      Abstract
      The impact of viscous dissipation is considered on magnetic reconnection in closed line-tied magnetic X-points. It is shown that viscous effects can provide fast energy dissipation for disturbances which do not alter the initial X-point topology. If the X-point topology is altered, then the rate of viscous dissipation depends on both the perturbed topology and the relative magnitudes of viscosity and electric resistivity. New solutions are demonstrated, which derive from the combination of resistive and viscous effects. The solutions are characterized by monotonically decaying modes which are qualitatively different from the previously known oscillatory modes in nonviscous resistive X-point reconnection. These results suggest that viscous heating in magnetic X-points may be an important effect in solar flares.
      Date
      2005
      Type
      Journal Article
      Publisher
      E D P Sciences
      Rights
      This article has been published in the journal: Astronomy & Astrophysics. Used with permission.
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      • Computing and Mathematical Sciences Papers [1455]
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