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- W2030084574 abstract "An experimental study has clarified some aspects of MPD thruster onset phenomena. The steep increase in terminal voltage that occurs as the onset current is approached may have different causes, depending on the propellant injection geometry. For propellant injection at the cathode radius, terminal voltage increase corresponds to a growing anode fall voltage; for injection at a larger radius, the increase is related to the back emf in the near-cathode plasma. The formation of the onset current pattern within the arc has been mapped experimentally as the thruster responds to an input current step which rises from below onset to the onset value. The appearance of terminal voltage hash at onset correlates with the extension into the exhaust region of a significant fraction of the arc current." @default.
- W2030084574 created "2016-06-24" @default.
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- W2030084574 date "1985-08-17" @default.
- W2030084574 modified "2023-09-27" @default.
- W2030084574 title "Onset phenomena in MPD thrusters" @default.
- W2030084574 cites W2023378156 @default.
- W2030084574 doi "https://doi.org/10.2514/6.1985-2038" @default.
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