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Model equation-of-state for any material in conditions relevant to ICF and to stellar interiors

Published online by Cambridge University Press:  09 March 2009

S. Atzeni ,
A. Caruso  and
V. A. Pais
S. Atzeni
Affiliation:
Associazione Euratom-Enea sulla Fusione, C.R.E. Frascati, C.P. 65-00044 Frascati, Rome (Italy)
A. Caruso
Affiliation:
Associazione Euratom-Enea sulla Fusione, C.R.E. Frascati, C.P. 65-00044 Frascati, Rome (Italy)
V. A. Pais
Affiliation:
Associazione Euratom-Enea sulla Fusione, C.R.E. Frascati, C.P. 65-00044 Frascati, Rome (Italy)
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Abstract

A simple model Equation-of-State (EOS) for matter in conditions of interest to Inertial Confinement Fusion (ICF) and to Stellar Interiors is developed. It yields pressures and specific energies in good agreement with accurate EOS tabulations, for matter in the density range 10−6 < ρ < 104 g cm−3 and in the temperature range 0 ≤ T < 100 KeV, with the only exception being the liquid and gaseous phases of the undissociated molecular substances.

This EOS can be used for any element or mixture, requiring, as input data, only the chemical composition (A, Z, and abundancy of each element of the mixture) and three macroscopic constants of the material.

Type
Research Article
Information
Laser and Particle Beams , Volume 4 , Issue 3-4 , August 1986 , pp. 393 - 402
Copyright
Copyright © Cambridge University Press 1986

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