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Start Over Author "Ding, Yongjie" Topic discharges (electric) Topic imaging systems Journal ieee transactions on plasma science
1 results on '"Ding, Yongjie"'

1. High-Speed Camera Imaging in the Discharge Channel During a Hall Thruster Ignition.

Author

Yan, Shilin, Li, Wenbo, Ding, Yongjie, Wei, Liqiu, and Yu, Daren

Subjects
OPTICAL measurements, IONIZATION of gases, IGNITION of gas appliances, IMAGING systems, ELECTRONS
Abstract

A time-resolved optical measurement method is applied to examine the gas discharge process inside the discharge channel during a Hall thruster ignition. The results show that the excitation and ionization processes in the working gas begin near the exit of the channel and then propagate upstream along the channel. The change in energy of electrons moving toward the anode leads to the alternating dominance of ionization and excitation processes, which is the main reason for the changes in light intensity in different regions of the channel during the thruster startup. [ABSTRACT FROM AUTHOR]

Published
2018
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