| PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES |
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Temporal Evolution of Excited Level Populations in a High-Velocity Argon Plasma Flow |
| SUN Su-Rong, WANG Hai-Xing** |
School of Astronautics, Beijing University of Aeronautics and Astronautics, Beijing 100191
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| Cite this article: |
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SUN Su-Rong, WANG Hai-Xing 2014 Chin. Phys. Lett. 31 095205 |
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Abstract A simplified collisional-radiative model is applied to a high velocity plasma flow through the arcjet nozzle to investigate the temporal evolution of excited level population densities in the selected spatial positions inside arcjet thruster. Computations are carried out for various sets of input parameters such as electron temperature, electron number density, atom temperature, and pressure. The numerical results illustrate that the extent of the ionization-recombination non-equilibrium is strongly dependent on the electron temperature and pressure, and is significantly affected by resonance radiation.
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Published: 22 August 2014
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| PACS: |
52.25.Fi
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(Transport properties)
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51.10.+y
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(Kinetic and transport theory of gases)
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51.20.+d
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(Viscosity, diffusion, and thermal conductivity)
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