A General Nonlinear Fluid Model for Reacting Plasma-Neutral Mixtures

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A generalized, computationally tractable fluid model for capturing the effects of neutral particles in plasmas is derived. The model derivation begins with Boltzmann equations for singly charged ions, electrons, and a single neutral species. Electron-impact ionization, radiative recombination, and resonant charge exchange reactions are included. Moments of the reaction collision terms are detailed. Moments of the Boltzmann equations for electron, ion, and neutral species are combined to yield a two-component plasma-neutral fluid model. Separate density, momentum, and energy equations, each including reaction transfer terms, are produced for the plasma and neutral equations. The required closures for the plasma-neutral model are … continued below

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Meier, E T & Shumlak, U April 6, 2012.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by the UNT Libraries Government Documents Department to the UNT Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 47 times. More information about this article can be viewed below.

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A generalized, computationally tractable fluid model for capturing the effects of neutral particles in plasmas is derived. The model derivation begins with Boltzmann equations for singly charged ions, electrons, and a single neutral species. Electron-impact ionization, radiative recombination, and resonant charge exchange reactions are included. Moments of the reaction collision terms are detailed. Moments of the Boltzmann equations for electron, ion, and neutral species are combined to yield a two-component plasma-neutral fluid model. Separate density, momentum, and energy equations, each including reaction transfer terms, are produced for the plasma and neutral equations. The required closures for the plasma-neutral model are discussed.

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PDF-file: 25 pages; size: 0.2 Mbytes

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  • Journal Name: Physics of Plasmas; Journal Volume: 19; Journal Issue: 7

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  • Report No.: LLNL-JRNL-546455
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 1050584
  • Archival Resource Key: ark:/67531/metadc838776

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  • April 6, 2012

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  • May 19, 2016, 9:45 a.m.

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  • Nov. 28, 2016, 6:29 p.m.

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Meier, E T & Shumlak, U. A General Nonlinear Fluid Model for Reacting Plasma-Neutral Mixtures, article, April 6, 2012; Livermore, California. (https://digital.library.unt.edu/ark:/67531/metadc838776/: accessed July 16, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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