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Progress in Plasma Processing of Materials, 2003

ISBN:
978-1-56700-192-1 (Print)
978-1-56700-447-2 (Online)

MODELING OF TRANSPORT OF MINORITIY SPECIES IN HID LAMPS

Xiao-Yan Zhu
Department of Applied Physics, Eindhoven University of Technology, P. O. Box 513, 5600 MB Eindhoven, The Netherlands

Harm van der Heijden
Department of Applied Physics, Eindhoven University of Technology, P. O. Box 513, 5600 MB Eindhoven, The Netherlands

Jan van Dijk
Department of Applied Physics, Eindhoven University of Technology, P. O. Box 513, 5600 MB Eindhoven, The Netherlands

Joost J. A. M. van der Mullen
Department of Applied Physics, Eindhoven University of Technology, P. O. Box 513, 5600 MB Eindhoven, The Netherlands

Abstract

In order to get insight in the transport of minorities in high-pressure plasmas we constructed with our software package PLASIMO a model with a two-fold structure. The first structure element describes the flow and temperature field of the main plasma constituent, mercury. The second calculates the LTE diffusion of the minority species. It is based on the set of chemical equilibrium equations, the constraints as imposed by Dalton's law, charge neutrality and the elemental mass conservation laws. The first results show that the transport of minority species can be described properly.