Summary form only given. The authors discusses some potential problems of spacecraft charging as a result of interactions between a large spacecraft, such as the Space Station, and its environment. Induced electric field due to the VXB effect may be important for large spacecraft at low Earth orbits. Differential charging, due to different properties of surface materials, may be significant when the spacecraft is partly in sunshine and partly in shadow. The triple-root potential jump condition may occur because of differential charging. Sudden onset of severe differential charging may occur when an electron or ion beam is emitted from the spacecraft. The beam may partially return to the 'hot spots' on the spacecraft. Wake effects, due to blocking of ambient ion trajectories, may result in an undesirable negative potential region in the vicinity of a large spacecraft. Outgassing and exhaust may form a significant spacecraft-induced environment; ionization may occur. Spacecraft charging and discharging may affect the electronic components on board.
Charging in the environment of large spacecraft
1993-01-01
104315 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
Spacecraft charging - Environment induced anomalies
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