Plasma expansion characteristics of ionized clouds in the ionosphere - Macroscopic formulation

Details Plasma expansion characteristics of ionized clouds in the ionosphere - Macroscopic formulation Plasma expansion characteristics of ionized clouds in the ionosphere - Macroscopic formulation

Feb 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991jgr....96.1337s&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 96, Feb. 1, 1991, p. 1337-1349.

Physics

16

Artificial Clouds, Barium Ion Clouds, Ionospheric Electron Density, Ionospheric Ion Density, Lithium, Plasma Clouds, Electron Energy, Ion Temperature

Scientific paper

A macroscopic plasma expansion model, based on a numerical solution of the type-dependent nonlinear coupled continuity and momentum equations for background O(+) ions and several released ion species, was used to examine plasma expansion characteristics of ionized clouds in the ionosphere. Information is obtained on Ba(+), Li(+), and Ba(+) - Li(+) clouds; different cloud sizes (Gaussian half widths of 0.1, 0.5, and 1 km); cloud/background ion density ratios covering two orders of magnitude; electron/ion temperature ratios of 1, 5, and 10; and several cloud-background relative velocities along B (0, 1, 2, 4, 6, and 8 km/sec). The macroscopic expansion features obtained were found to be in general agreement with those obtained from the small-scale numerical simulations.

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