Computer Science – Sound
Scientific paper
Feb 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979georl...6..101s&link_type=abstract
Geophysical Research Letters, vol. 6, Feb. 1979, p. 101-104.
Computer Science
Sound
2
Electron Energy, Explorer 51 Satellite, Ionospheric Ion Density, Ionospheric Sounding, Near Wakes, Plasma Interactions, Angular Distribution, Ion Currents, Plasma Density, Volt-Ampere Characteristics
Scientific paper
Data from the cylindrical electrostatic probe and from the Bennett ion mass spectrometer on board the AE-C satellite were examined in order to determine the influence of electron temperature (Te) and ion composition on the amount of ion depletion in the wake of an ionospheric satellite. It is observed that both electron temperature and ionic composition significantly influence the amount of ion depletion in the near wake zone, as measured by the ion current collected by the cylindrical probe mounted about 32 cm from the surface of the satellite. The ion current in the wake in an O(+) dominated plasma decreases with respect to ambient by about two orders of magnitude at a Te of about 1000 K and by a factor of about 30 at a Te of about 3000 K. For a plasma where the O(+) density equals the H(+) density, the ion current decreases by a factor of 6 in the wake at a Te of about 1000 K and by a factor of 2.3 at 3000 K.
Brace Larry H.
Brinton Henry C.
Samir Uri
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