A comparison of the Gurevich et al. and the Liu-Jew wake models for the ion flux around a satellite

Details A comparison of the Gurevich et al. and the Liu-Jew wake models for the ion flux around a satellite A comparison of the Gurevich et al. and the Liu-Jew wake models for the ion flux around a satellite

Apr 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975jatp...37..577s&link_type=abstract

Journal of Atmospheric and Terrestrial Physics, vol. 37, Apr. 1975, p. 577-586.

Physics

1

Atmospheric Models, Earth Ionosphere, Ion Currents, Plasma Interactions, Satellite Observation, Wakes, Angle Of Attack, Atmospheric Effects, Environment Effects, Explorer 31 Satellite, Ion Density (Concentration), Ion Probes, Ionospheric Electron Density, Rarefied Plasmas, Satellite-Borne Instruments

Scientific paper

Observations of ion currents obtained by a retarding potential analyzer on board the Explorer 31 satellite were used to compare the Liu-Jew (Liu, 1969) and Gurevich et al. (1970) wake models with experiment. The quantitative degree of agreement is shown and discussed. The Gurevich et al. 'neutral approximation' was tested via the observations and was found to be fairly good for regions where the hydrogen ions constitute more than 20 per cent of the plasma and the Mach number is low. For the case of high Mach number, the Liu-Jew computations are in better agreement with the observations over the angle of attack range which could be studied, namely, 100-130 degrees.

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