Mathematics – Probability
Scientific paper
Mar 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982jqsrt..27..267d&link_type=abstract
(Conference on Radiative Properties of Hot Dense Matter, Monterey, CA, Nov. 17-20, 1980.) Journal of Quantitative Spectroscopy a
Mathematics
Probability
11
Argon Plasma, Emission Spectra, High Temperature Plasmas, Implosions, Plasma Spectra, Radiative Transfer, X Ray Spectra, Laser Heating, Microballoons, Molecular Excitation, Plasma Density, Ray Tracing
Scientific paper
An ionization-radiation model for predicting the spectral emission of high temperature argon plasmas is presented, along with a discussion of the validity of the atomic data used for the model. The collisional section of the model comprises rate equations for ground and excited states, with one-dimensional time-dependent solutions. Radiation transfer considerations include a transport model based on the probability of escape of line and continuum photons, but the one-dimensional character of the escape precludes obtaining descriptions of the opacity-broadened line or the continuum shape. A tandem operation with a one-dimensional fluid code is necessary for calculating the radiation hydrodynamic evolution of the plasma self-consistently, followed by post-processing with a ray-trace radiation model to detail the spectral emission. One-to-one data comparisons are demonstrated for laser-imploded microballoon trials.
Davis Jared
Duston D.
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