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Experimental and analytical evaluation of ion thruster/spacecraft interactions

M. R. Carruth

Abstract

Studies were conducted to both identify the environment produced by ion thrusters and to assess the interaction of this environment on a typical spacecraft and typical science instruments. Spacecraft charging and the charge exchange that accompanies it is discussed in detail. Electromagnetic interference was characterized for ion engines. The electromagnetic compatibility of ion thrusters with spacecraft instruments was determined. The effects of ion thruster plumes on spacecraft were studied with particular emphasis on external surface currents.

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Key concepts: Spacecraft, Ion thruster, Aerospace engineering, Ion, Physics, Spacecraft design, Spacecraft charging, Astrobiology