Molecular gas electron distribution function with space and time variation

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The desire for improved control over electric discharge phenomena in a wide variety of scientific, technological, manufacturing, and waste processing activities spurs the development of non-equilibrium, non-uniform, and time dependent models. This paper addresses the situation of a slightly ionized, uniform gas with a space and time varying electric field, and in which inelastic collisions occur. The purpose here is to present a reasonably consistent, and reasonably accessible analytical result for the electron kinetics in a gas discharge regime of technological interest. This paper will be structured as follows. First, the analytical result for the logarithmic derivative in energy of ... continued below

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34 p.

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Garcia, M. May 1, 1995.

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This report is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 13 times . More information about this report can be viewed below.

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Description

The desire for improved control over electric discharge phenomena in a wide variety of scientific, technological, manufacturing, and waste processing activities spurs the development of non-equilibrium, non-uniform, and time dependent models. This paper addresses the situation of a slightly ionized, uniform gas with a space and time varying electric field, and in which inelastic collisions occur. The purpose here is to present a reasonably consistent, and reasonably accessible analytical result for the electron kinetics in a gas discharge regime of technological interest. This paper will be structured as follows. First, the analytical result for the logarithmic derivative in energy of the electron distribution function is state. Then, a discussion of the derivation is given. Examples of the solution are shown for an idealized nitrogen-like gas where a uniform electric field ramps in time between static conditions, and then for sinusoidal behavior. Further examples show the effect of a static electric field that decays exponentially with distance. Finally, the combined effect of field gradients in space and time is demonstrated by mapping out the average electron energy in the model gas for a field with sinusoidal temporal variation and exponential spatial decay.

Physical Description

34 p.

Notes

OSTI as DE96012249

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  • Other Information: PBD: 1 May 1995

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  • Other: DE96012249
  • Report No.: UCRL-ID--121161
  • Grant Number: W-7405-ENG-48
  • DOI: 10.2172/251391 | External Link
  • Office of Scientific & Technical Information Report Number: 251391
  • Archival Resource Key: ark:/67531/metadc672383

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Office of Scientific & Technical Information Technical Reports

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  • May 1, 1995

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • Feb. 17, 2016, 2:36 p.m.

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Garcia, M. Molecular gas electron distribution function with space and time variation, report, May 1, 1995; California. (digital.library.unt.edu/ark:/67531/metadc672383/: accessed September 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.