Study on the Plume Characteristics of Pulsed Plasma Thruster

Yong Li; Rui Zhang; Jian Hua Zong

doi:10.4028/www.scientific.net/AMM.347-350.55

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 347-350Study on the Plume Characteristics of Pulsed...

Study on the Plume Characteristics of Pulsed Plasma Thruster

Abstract:

A current-model Triple Langmuir probe was developed and used to measure electron temperature and density of the Pulsed Plasma Thruster plume. To decreasing the errors in measurement, Probe, collection circuit and glow cleaning devices were elaborately designed. A FIR digital Filter based on Matlab was designed and the software for date processing was developed by Labview. Measurements were taken at various position in the plume of a Pulsed Plasma Thruster operating at discharge energy of 6-24J. The results show the thruster plume has electron temperatures in the range between 0.6and 5.4eV, electron densities between 0.9×10¹⁹and 4.1x10²¹m^-3 for all discharge energy levels considered. Electron temperature and density decrease with increasing angle away from the centerline and with decreasing discharge energy.

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Periodical:

Applied Mechanics and Materials (Volumes 347-350)

Pages:

55-58

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.347-350.55

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Online since:

August 2013

Authors:

Yong Li, Rui Zhang, Jian Hua Zong

Keywords:

Electron Temperature, Langmuir Probe, Plume, Pulsed Plasma Thruster

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