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Expansion of a bounded plasma with dust particles

Published online by Cambridge University Press:  13 March 2009

Yu. I. Chutov ,
A. Yu. Kravchenko  and
P. P. J. M. Schram
Yu. I. Chutov
Affiliation:
Department of Physical Electronics, Taras Shevchenko Kiev University, Volodymyrska St 64, 252017 Kiev, Ukraine
A. Yu. Kravchenko
Affiliation:
Department of Physical Electronics, Taras Shevchenko Kiev University, Volodymyrska St 64, 252017 Kiev, Ukraine
P. P. J. M. Schram
Affiliation:
Department of Physics, Eindhoven University of Technology, The Netherlands
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Abstract

The expansion of a bounded plasma with dust particles is investigated by means of computer modelling, taking into account the dynamics of the dust particle charge as well as the Coulomb collisions of electrons and ions with dust particles. The PIC method is used for the computer modelling. The collection of electrons and ions by dust particles is described in a way similar to orbit-limited probe theory. Coulomb interactions are described in the framework of stochastic differential equations. It is shown that the mean distribution functions of electrons and ions are influenced by the dust particles during plasma expansion. The evolution of the ion distribution function leads to a strong deviation from equilibrium. Dust particles also influence the temporal behaviour of the plasma parameters.

Type
Research Article
Information
Journal of Plasma Physics , Volume 55 , Issue 1 , February 1996 , pp. 87 - 94
Copyright
Copyright © Cambridge University Press 1996

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