TitleApplication of electric thrusters in a spacecraft propulsion system
Authors1,2N.E. Kovalenko, 1,2A.A. Vnukov
Organizations1Siberian Federal University
Krasnoyarsk, Russian Federation
2JSC «Academician M. F. Reshetnev» Information Satellite Systems»
Zheleznogorsk, Krasnoyarsk region, Russian Federation
AbstractThe place of electric rocket thrusters in a spacecraft propulsion system is pointed out; the tasks for such propulsion system are described. The modern classification of electric thrusters is given, in accordance of that one there are four classes, dissimilar due to a nature of processes that impart a kinetic energy to a propellant: electrothermal, electrostatic, pulsed and magnetoplasmodynamic. In order to illustrate an electric rocket thrusters sate of art, examples different classes electric rocket thrusters for modern spacecrafts are presented; the technical characteristics, such a thrust, specific impulse, powered energy and efficiency are systematized. As a general electric rocket thrusters for spacecraft propulsion system were chosen electrostatic thrusters: stationary plasma (Hall thrusters) and ion thusters. For the different classes of electric rocket thrusters the common characteristics are defined as a set of: specific impulse (that describes thruster propellant efficiency), thrust cost (determines electric power consumption per unit thrust) and propellant type (combines thruster’s technical and economical characteristics). A necessity is stated to take into account the cost parameters of an electric rocket thruster design and a manufacturing during a propulsion system developing for a next generation spacecraft. The tasks are determined for the further research in the area of a techno-economic efficiency of electric rocket thrusters exploiting as a part of a spacecraft’s propulsion system.
Keywordsspacecraft, propulsion system, electric rocket thruster, electric rocket thrusters classification, techno-economic efficiency
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For citing this articleKovalenko N.E., Vnukov A.A. Application of electric thrusters in a spacecraft propulsion system // Spacecrafts & Technologies, 2022, vol. 6, no. 2, pp. 83-89. doi: 10.26732/j.st.2022.2.02
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