Computer Science – Numerical Analysis
Scientific paper
Sep 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984p%26ss...32.1169k&link_type=abstract
Planetary and Space Science (ISSN 0032-0633), vol. 32, Sept. 1984, p. 1169-1178.
Computer Science
Numerical Analysis
27
Kelvin-Helmholtz Instability, Magnetohydrodynamic Flow, Magnetohydrodynamic Stability, Plasma Interactions, Solar Wind, Interplanetary Magnetic Fields, Interplanetary Medium, Parameterization, Plasma Waves, Viscous Flow
Scientific paper
The mechanism for the breakdown of solar wind speed shears within 1 AU presently examined is initiated by the development of the Kelvin-Helmholtz (K-H) instability for typical parameters of the plasma and magnetic field in the interplanetary medium. Because of the stabilizing effect of the magnetic field in the vicinity of the sun, up to heliocentric distances of about 0.1 AU, the K-H instability in this region does not develop. Numerical analysis results indicate that a principal role in the excitation of this instabiilty is played by oblique waves that propagate at an angle of about 45 deg to the stream velocity vector. Attention is given to the competing effects of kinematic steepening and turbulent viscosity.
Korzhov N. P.
Mishin V. V.
Tomozov V. M.
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