Features of using plasma flows to compensate the aerodynamic drag of mini-satellites moving in the ionosphere
| Autor: | Vladimir Vladimirovich Skvortsov, A. Yu. Urusov, J. Sh Flaxman, Aleksandr Aleksandrovich Uspenskii, L. V. Nosachev |
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| Rok vydání: | 2019 |
| Předmět: | |
| Zdroj: | Journal of Physics: Conference Series. 1383:012029 |
| ISSN: | 1742-6596 1742-6588 |
| Popis: | The possibilities of using plasma flows formed in electric jet engines (EJE) are considered. One of the variants of the EJE construction are ion sources with multi-cell ion-optical systems used to compensate the aerodynamic drag of mini-satellites in the Earth’s ionosphere with the aim of ensuring long-term operation of the latter at low flight altitudes (∼180–220 km). The analysis of methods of simulation of the operation of such engines together with air intakes under ground conditions is given. The possibility of using plasma-ion sources producing molecular beams of nitrogen or air ions with low (orbital) flight speeds as a source of the free flow in the simulations is considered. A source with volumetric ionization of the working gas and electron oscillation in the magnetic field in a chamber between the walls held at the cathode potential and a large multi-cell aperture of the ion–optical system is used to create the flow. The results of the studies of the operation of a plasma–ion engine (PIE) together with air intake obtained by the gas-dynamic simulation method are presented. The possibility of a high performance of the engine under non-standard conditions is shown. It is found that a stable operation of the PIE can be realized at pressures of 6⋅10−5–10−4 Torr in its chamber, which is important for matching the engine with the air intake. |
| Databáze: | OpenAIRE |
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