Effect of anode dielectric coating on Hall thruster operation

L. Dorf; Y. Raitses; N. J. Fisch; V. Semenov

doi:10.1063/1.1646727

Effect of anode dielectric coating on Hall thruster operation

L. Dorf, Y. Raitses, N. J. Fisch, V. Semenov

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27 Scopus citations

Abstract

The effect of the anode coating on the anode fall is studied experimentally using both biased and emissive probes. It was observed that the anode coating on the anode fall changes from positive to negative upon removal of the dielectric coating. Oscillations of the discharge current in the 10 kHz to 100 kHz wave band were measured using a low inductance low-capacitance 1 ω shunt. The measurement of discharge current oscillations indicate that thruster operation is more stable with the coated anode.

Original language	English (US)
Pages (from-to)	1070-1072
Number of pages	3
Journal	Applied Physics Letters
Volume	84
Issue number	7
DOIs	https://doi.org/10.1063/1.1646727
State	Published - Feb 16 2004

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.1646727

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abstract = "The effect of the anode coating on the anode fall is studied experimentally using both biased and emissive probes. It was observed that the anode coating on the anode fall changes from positive to negative upon removal of the dielectric coating. Oscillations of the discharge current in the 10 kHz to 100 kHz wave band were measured using a low inductance low-capacitance 1 ω shunt. The measurement of discharge current oscillations indicate that thruster operation is more stable with the coated anode.",

author = "L. Dorf and Y. Raitses and Fisch, {N. J.} and V. Semenov",

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AU - Dorf, L.

AU - Raitses, Y.

AU - Fisch, N. J.

AU - Semenov, V.

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Y1 - 2004/2/16

N2 - The effect of the anode coating on the anode fall is studied experimentally using both biased and emissive probes. It was observed that the anode coating on the anode fall changes from positive to negative upon removal of the dielectric coating. Oscillations of the discharge current in the 10 kHz to 100 kHz wave band were measured using a low inductance low-capacitance 1 ω shunt. The measurement of discharge current oscillations indicate that thruster operation is more stable with the coated anode.

AB - The effect of the anode coating on the anode fall is studied experimentally using both biased and emissive probes. It was observed that the anode coating on the anode fall changes from positive to negative upon removal of the dielectric coating. Oscillations of the discharge current in the 10 kHz to 100 kHz wave band were measured using a low inductance low-capacitance 1 ω shunt. The measurement of discharge current oscillations indicate that thruster operation is more stable with the coated anode.

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JF - Applied Physics Letters

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Effect of anode dielectric coating on Hall thruster operation

Abstract

All Science Journal Classification (ASJC) codes

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