Fast-electron charge transfer at downwind surfaces of spacecrafts in the Earth's polar ionosphere

1Shuvalov, VA, 2Kochubey, GS, 2Bandel, KA, 2Priymak, AI
1Institute of Technical Mechanics of the National Academy of Sciences of Ukraine and the State Space Agency of Ukraine, Dnipro, Ukraine
2Institute of Technical Mechanics of the National Academy of Sciences of Ukraine and the State Space Agency of Ukraine, Dnipropetrovsk, Ukraine
Kosm. nauka tehnol. 2007, 13 ;(6):005-017
https://doi.org/10.15407/knit2007.06.005
Section: Space and Atmospheric Physics
Publication Language: Russian
Abstract: 
We developed the procedure for physical modelling of the processes of high-voltage charging downwind surfaces of spacecraft structural elements using fast electrons in polar ionosphere in the Earth's shadow. The dependences of equilibrium potentials of downwind surfaces on a relation of concentration of fast electrons and positive ions in the near wake and in the undisturbed plasma are determined from the results of set and numerical tests the, satellite measurements.
Keywords: equilibrium potentials, fast electrons, positive ions
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