Skinning process stability of the magnetic field in the solar active regions

Sokolov, V. S.; Katsnelson, S. S.; Kosovichev, A. G.; Slavin, V. S.

doi:10.1007/bf00216367

Sol Phys

1977

DOI: 10.1007/bf00216367

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Skinning process stability of the magnetic field in the solar active regions

V. S. Sokolov¹,

S. S. Katsnelson²,

A. G. Kosovichev³

et al.

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1978

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Cited by 3 publications

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Nonlinear stage of instability due to local Joule-overheating in the solar active regions

Sokolov¹,

Kosovichev

1978

Sol Phys

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The numerical solution by a computer of the system of magnetohydrodynamics equations in the one-dimensional approximation serves as the basis for studying the non-linear stage of the instability due to local Joule-overheating of zones with large values of magnetic field gradients in the active regions of the Sun. We have demonstrated the formation of a system of current layers responsible for efficient transformation of magnetic energy into Joule heat and kinetic energy of the macroscopic motion. The specific features of quasi-stationary skinning of magnetic field with gravitation have been noted.

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Nonlinear stage of instability due to local Joule-overheating in the solar active regions

Sokolov¹,

Kosovichev

1978

Sol Phys

Self Cite

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Loop models of solar flares: Revisions and comparisons

Spicer

1981

Sol Phys

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Due to developments in solar flare observations which appear to show that a particular class of solar flares result from instabilities occurring in magnetic loops we re-examine the Alfv6n-Carlqvist flare model to show that it is workable and we update the Spicer loop model of a flare. It is noted that the Alfv6n-Carlqvist model of necessity requires an external current driver which must maintain the current driven instability at marginal stability during the duration of the flare. In addition, it is argued that if the Alfv6n-Carlqvist model is to work the current density must rise in a time shorter than an MHD or resistive tearing mode time scale. Otherwise, the dominant flare mechanism must be an ideal MHD or tearing type instability. Further, the distinctions between the two models are highlighted and a new hybrid model of the Alfv6n-Carlqvist and Spicer models is introduced.

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On the possible reason for the formation of impulsive coronal mass ejections

Романов

et al. 2015

Advances in Space Research

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Skinning process stability of the magnetic field in the solar active regions

Cited by 3 publications

References 3 publications

Nonlinear stage of instability due to local Joule-overheating in the solar active regions

Nonlinear stage of instability due to local Joule-overheating in the solar active regions

Loop models of solar flares: Revisions and comparisons

On the possible reason for the formation of impulsive coronal mass ejections

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