Artificial Ion Beam Effects on Spacecraft Potential

Details Artificial Ion Beam Effects on Spacecraft Potential Artificial Ion Beam Effects on Spacecraft Potential

Jan 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999adspr..24.1027p&link_type=abstract

Advances in Space Research, Volume 24, Issue 8, p. 1027-1032.

Physics

Scientific paper

The Active Plasma Experiment (APEX) uses intensive electron beam emission for the study of dynamic processes in the magnetosphere and upper ionosphere. In order to balance the spacecraft potential while the electron beam is operating, a low-energy Xenon plasma generator emits an ion beam. This paper reports on the ability of the Xenon plasma generator to influence the vehicle potential which is estimated from the potential difference between a floating probe and the vehicle itself. The potential difference is measured under quiet conditions and with the plasma generator operating. We discuss the influence of the parameters of the ambient plasma, spacecraft position (altitudes up to 3000 km) and Xe injector working modes on the spacecraft charging/discharging process

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