Other
Scientific paper
Dec 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986p%26ss...34.1335d&link_type=abstract
Planetary and Space Science (ISSN 0032-0633), vol. 34, Dec. 1986, p. 1335-1348.
Other
17
Auroral Arcs, Maxwell Equation, Space Plasmas, Transport Properties, Electron Energy, Magnetohydrodynamic Flow, Proton Energy, Temperature Distribution, Vertical Distribution
Scientific paper
The first subsonic solutions of the bi-Maxwellian-based 16-moment set of transport equations for stable auroral red (SAR) arc conditions are presented. These are compared with the solutions obtained from the Maxwellian-based 13-moment transport equations for the same boundary conditions. Close agreement between the 16-moment and 13-moment solutions was obtained for the drift velocity, total electron temperature, total proton heat flow, and total electron heat flow profiles. On the other hand, significant discrepancies were found. Thus, the 16-moment density profile falls off more rapidly with increasing altitude than that computed with the 13-moment equations; the total proton temperature is less in the 16-moment case than in the 13-moment case by several thousand degrees at most altitudes; and differences exist in the ratios of the proton and electron temperature anisotropies with the altitude. A simplified set of transport equations was obtained by dropping terms which remain relatively small at all altitudes.
Demars Howard G.
Schunk Robert W.
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