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Issue 8, 2012
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Thermal mechanism for formation of electrical prepeak and pressure waves in a microsecond direct current pulsed glow discharge with a Grimm-type source: a modeling investigation

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Abstract

A Monte-Carlo based model is developed for simulating the evolution of Ar concentration, temperature and flow in time and space. Potentially, the model could be used for gas simulations in a wide range of different applications. Here, the model is incorporated into an existing but modified model of a microsecond pulsed glow discharge (μs PGD) in a Grimm-type plasma excitation source. Results of the simulations reveal that a thermal mechanism is responsible for the formation of the electrical prepeak and pressure waves, two phenomena that take place at the leading edge of the μs pulse in this source.

Graphical abstract: Thermal mechanism for formation of electrical prepeak and pressure waves in a microsecond direct current pulsed glow discharge with a Grimm-type source: a modeling investigation

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Article information


Submitted
18 Jan 2012
Accepted
12 Mar 2012
First published
13 Mar 2012

J. Anal. At. Spectrom., 2012,27, 1225-1233
Article type
Paper

Thermal mechanism for formation of electrical prepeak and pressure waves in a microsecond direct current pulsed glow discharge with a Grimm-type source: a modeling investigation

M. Voronov, V. Hoffmann, W. Buscher, C. Engelhard, S. J. Ray and G. M. Hieftje, J. Anal. At. Spectrom., 2012, 27, 1225 DOI: 10.1039/C2JA30014A

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