Features of the behavior of some magnetohydrodynamic structures in the interplanetary space

Constant pressure structures moving together with a solar wind flux are described based on magnetohydrodynamic representations. The action of magnetic hole type structures on the bow shock wave before the Earth’s magnetosphere is thus considered. In the presence of a rotational discontinuity in the...

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Bibliographic Details
Published in:Geomagnetism and Aeronomy 2015-12, Vol.55 (7), p.926-930
Main Authors: Grib, S. A., Leora, S. N.
Format: Article
Language:English
Subjects:
Charged particles
Constants
Density
Discontinuity
Earth and Environmental Science
Earth Sciences
Fluid dynamics
Fluid flow
Geophysics/Geodesy
Magnetic clouds
Magnetic fields
Magnetohydrodynamics
Shock waves
Solar physics
Wind
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Summary:Constant pressure structures moving together with a solar wind flux are described based on magnetohydrodynamic representations. The action of magnetic hole type structures on the bow shock wave before the Earth’s magnetosphere is thus considered. In the presence of a rotational discontinuity in the magnetic cloud, it is shown that the decomposition of an arbitrary discontinuity generates a plateau with an increase in the density of charged particles and a decrease in the intensity of the interplanetary magnetic field, which is repeatedly observed on spacecrafts. The plateau coincides with the properties of the magnetic hole to a large extent but is of another origin (in fact, local).
ISSN:0016-7932
1555-645X
0016-7940
DOI:10.1134/S0016793215070087