Spatially averaged model of complex-plasma discharge with self-consistent electron energy distribution

Denysenko, I., Yu, M.Y., Ostrikov, K., & Smolyakov, A. (2004) Spatially averaged model of complex-plasma discharge with self-consistent electron energy distribution. Physical Review E (Statistical, Nonlinear, and Soft Matter Physics), 70(4), 046403-1.

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A global, or averaged, model for complex low-pressure argon discharge plasmas containing dust grains is presented. The model consists of particle and power balance equations taking into account power loss on the dust grains and the discharge wall. The electron energy distribution is determined by a Boltzmann equation. The effects of the dust and the external conditions, such as the input power and neutral gas pressure, on the electron energy distribution, the electron temperature, the electron and ion number densities, and the dust charge are investigated. It is found that the dust subsystem can strongly affect the stationary state of the discharge by dynamically modifying the electron energy distribution, the electron temperature, the creation and loss of the plasma particles, as well as the power deposition. In particular, the power loss to the dust grains can take up a significant portion of the input power, often even exceeding the loss to the wall.

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ID Code: 74017
Item Type: Journal Article
Refereed: Yes
Additional URLs:
DOI: 10.1103/PhysRevE.70.046403
ISSN: 1550-2376
Divisions: Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2004 The American Physical Society
Deposited On: 16 Jul 2014 03:14
Last Modified: 17 Jul 2014 03:41

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