Characterization of plasma in a Hall thruster operated at high discharge voltage
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The electron-wall interaction and its dependence on the discharge voltage and channel width are studied through measurements of the electron temperature, plasma potential and density in a 2 kW Hall thruster. Experimental results are compared with theoretical predictions for different thruster configurations and operating conditions. The channel width is shown to have a more significant effect on the axial "distribution of the plasma potential than the discharge voltage.
author list (cited authors)
Raitses, Y., Smirnov, A., Staack, D., Keidar, M., & Fisch, N.