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Approach to RF Air-Breathing Plasma Sources Optimizationстатья Исследовательская статья
- Авторы: Dudin V.S., Kralkina E.A., Nikonov A.M., Shvydkiy G.V., Vavilin K.V., Zadiriev I.I., Golikov A.A., Sazonov V.V., Filatyev A.S., O V.Yanova
- Журнал: Vacuum
- Год издания: 2025
- Издательство: Elsevier Ltd
- Местоположение издательства: London
- Аннотация: This work presents a comprehensive experimental study of atmosphere-breathing radio frequency(RF) ion thruster prototypes designed for continuous spacecraft operation in very low Earth orbits(VLEO). We demonstrated that compensation of aerodynamic drag in Earth's residual atmosphererequires engine specific impulse values of 3000 ÷ 4000 s, depending on the spacecraft shape andion beam composition. To meet these requirements, we characterized RF ion thruster prototypeswith 10 cm diameter and discharge chamber lengths of 5, 7, and 9 cm operating in the frequencyrange of 4 ÷ 27 MHz under external magnetic field induction of 0 ÷ 100 G. Nitrogen and oxygenserved as propellent. Performance measurements were complemented by comprehensive plasmaparameter studies within the gas discharge chambers. Experimental data were validated againstnumerical calculations. We achieved specific impulse exceeding 4000 s with total powerconsumption below 600 W for discharge generation and ion acceleration using the 9 cm dischargechamber prototype under external magnetic field induction of 50 ÷ 80 G.
- Добавил в систему: Голиков Александр Александрович