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High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes
SJR: 0.19 SNIP: 0.341 CiteScore™: 0.43

ISSN Print: 1093-3611
ISSN Online: 1940-4360

High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes

DOI: 10.1615/HighTempMatProc.v6.i2.50
10 pages

OSCILLATIONS OF DISCHARGE CURRENT IN A STATIONARY PLASMA THRUSTER

J. Kurzyna
Instytut Podstawowych Problemow Techniki - PAN, Swietokrzyska 21,00-149 Warszawa, Polska
N. Gascon
Laboratoire d'Aerothermique du CNRS, 1C Avenue de la Recherche Scientifique, 45071 Orleans Cedex 2, France
G. Bonhomme
Laboratoire de Physique des Millieux Ionises, Universite Henri Poincare, F-54506 Vandaeuvre-les-Nancy Cedex, France
Michel A. Dudeck
ICARE Inst.-CNRS and University of Paris 6, 75252 Paris, France
K. Makowski
Instytut Podstawowych Problemow Techniki - PAN, Swietokrzyska 21,00-149 Warszawa, Polska
V. Lago
Laboratoire d'Aerothermique du CNRS 1C Avenue de la Recherche Scientifique, 45071 Orleans Cedex 2, France
A. Lebehot
Laboratoire d'Aerothermique du CNRS 1C Avenue de la Recherche Scientifique, 45071 Orleans Cedex 2, France
Z. Peradzynski
Instytut Podstawowych Problemow Techniki - PAN, Swietokrzyska 21,00-149 Warszawa, Polska

ABSTRACT

Oscillations of the total discharge current registered in the electric circuit of the stationary plasma Hall thruster SPT-100ML are studied with the use of linear and nonlinear methods of time series analysis. The same character of the oscillations can be obtained when autoregressive model is applied - the prediction errors as discriminating statistics are used. Hence, the linear process with random noise seems to be sufficient to describe the observed oscillations.


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