In this paper, an attempt is made to develop a mathematical model of the interaction of the recharge (low-temperature) plasma of an electric rocket engine with a radiation-charged dielectric surface. This model is based on the well-known Fitting dielectric charging model, which describes the transport of non-equilibrium charge carriers in the near-surface layer of the dielectric. Possible physical processes of interaction of ions of the recharge plasma of an electric rocket engine with a radiation-charged dielectric surface are considered. It is shown that as a result of all these processes, holes are formed in the surface layer of the dielectric, on which the excess electrons are then relaxed.
$^1$Department of Electric propulsion and spacecraft power plants, the Institute of number 2 «Aircraft, rocket engines and power plants», Moscow Aviation Institute (National Research University) (MAI)
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