NLTE/LTE Equation-Of-State Models

A model for non-local thermodynamic equilibrium (NLTE) electron populations in a radiation-hydrodynamics simulation requires the description of the effects of high plasma density in its atomic-kinetics routine and also must return the electron pressure to the hydrodynamics routine. We describe a NLT...

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Bibliographic Details
Published in:AIP conference proceedings 2004-01, Vol.730 (1), p.180-189
Main Author: Albritton, J R
Format: Article
Language:English
Subjects:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
ATOMS
COMPUTERIZED SIMULATION
ELECTRONS
EQUATIONS OF STATE
HYDRODYNAMICS
KINETICS
LTE
PLASMA DENSITY
PLASMA SIMULATION
THERMODYNAMICS
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Summary:A model for non-local thermodynamic equilibrium (NLTE) electron populations in a radiation-hydrodynamics simulation requires the description of the effects of high plasma density in its atomic-kinetics routine and also must return the electron pressure to the hydrodynamics routine. We describe a NLTE equation-of-state (EOS) model that satisfies these two requirements by substituting NLTE electron populations into a suitably formulated LTE EOS model.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.1824869