Development of strongly dissipative MHD structures

Development of strongly dissipative MHD structures

The formation of compact magnetic structures by advection of an initial magnetic seed due to the motion of the plasma, and the intensification of the field due to line stretching are discussed. It is shown that when the plasma is squeezed locally by external agents, so that an inflow-outflow near a...

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Veröffentlicht in:IEEE transactions on plasma science 1992-12, Vol.20 (6), p.882-890
Hauptverfasser: Gratton, F.T., Gnavi, G., Bender, L.
Format: Artikel
Sprache:eng
Schlagworte:
Astronomy
Conductivity
Earth, ocean, space
Exact sciences and technology
Fundamental aspects of astrophysics
Fundamental astronomy and astrophysics. Instrumentation, techniques, and astronomical observations
Heat transfer
Hydrodynamics
Magnetic fields
Magnetic flux
Magnetic switching
Magnetohydrodynamics
Magnetohydrodynamics and plasmas
Nuclear and plasma sciences
Numerical analysis
Q1
Slabs
Steady-state
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Zusammenfassung:The formation of compact magnetic structures by advection of an initial magnetic seed due to the motion of the plasma, and the intensification of the field due to line stretching are discussed. It is shown that when the plasma is squeezed locally by external agents, so that an inflow-outflow near a stagnation point is generated by the pinching, large amounts of Joule heating are obtained in a short time when the magnetic Reynolds number is large.< >
ISSN:0093-3813
1939-9375
DOI:10.1109/27.199543