UDK 629.78.05
LOW-POWER RADIO-FREQUENCY ION THRUSTER
R. V. Akhmetzhanov [1], A. V. Bogatyi [1], P. A. Dronov [2], G. A. Dyakonov [1]*, A. V. Ivanov [2]
[1] Research institute of applied mechanics and electrodynamics of Moscow aviation institute (national research university)5, Leningradskoye shosse, Moscow, 125080, Russian Federation [2] OSC “Konstruktorskoe Buro Khimavtomatiky” 20, Voroshilova str., Voronezh, 394006, Russian Federation. *E-mail: riame3@sokol.ru
Development and application of small satellite (SS) is currently one of the dynamically developing fields of the world space industry. According to the analysis of current trends in the spacecraft market development, operation of a number of systems might be secured by a SS with the mass from 100 kg to 500 kg in low, up to 1000 km, orbits. There is an objective necessity in the means of orbit keeping and correction for SS of 100…500 kg in mass capable of securing obtaining of high-quality data during 5…10 years. For this, it is necessary to equip SS with the orbital motion control thrusters, and electric propulsions (EP) might be used as such. Typical active life of a SS with the mass of up to 500 kg that is not equipped with EP is limited by 2…3 years. The Laboratory of Radio Frequency Ion Thrusters was founded within the Moscow Aviation Institute (MAI) in 2010. Vast experience in the investigation of radio frequency ion thrusters (RIT) characterized by different levels of power consumption has been accumulated since then. In view of this, in 2013 MAI jointly with KBKhA open joint-stock company started development of low-power RIT. Computational studies that allowed optimization for the design parameters of emissive and accelerating electrodes of the thruster were made during the low-power RIT development. Thermal and thermomechanical calculations were made for the low-power RIT also. Such calculations revealed the most heat-stressed elements of the thruster unit and allowed taking actions for redistribution of heat flows and selecting materials for the production of electrodes of the thruster ion-extraction system. The low-power RIT laboratory model was made and tested. Operating performance close to the modeled ones were demonstrated by bench tests. Conclusions on the ways to increase basic operating performance of the thruster are made.
low-power RF ion thruster, constructive shape, calculation research, experimental processing, industrial base.
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Akhmetzhanov Ruslan Vaisovich – engineer, Research institute of applied mechanics and electrodynamics, Moscow aviation institute (national research university). E-mail: akhmetzhanov.riame@yandex.ru

Bogatyi Aleksandr Vladimirovich – researcher, Research institute of applied mechanics and electrodynamics, Moscow aviation institute (national research university). E-mail: boga-alex@yandex.ru

Dronov Pavel Aleksandrovich – Cand. Sc., chief of section, JSC “Konstruktorskoe Buro Khimavtomatiky”. E-mail: abel-cadb@yandex.ru

Dyakonov Grigoriy Aleksandrovich – Cand. Sc., senior researcher, Research institute of applied mechanics and electrodynamics, Moscow aviation institute (national research university). E-mail: riame3@sokol.ru

Ivanov Andrey Vladimirovich – Dr. Sc., chief designer, JSC “Konstruktorskoe Buro Khimavtomatiky”. E-mail: abel-cadb@yandex.ru