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An efficient procedure for computing partial ionization of a gas in numerical fluid dynamicsA numerical procedure is described that allows efficient solution for the three nonlinear and implicit equations of state relating the equilibrium properties of a partially (and singly) ionized neutral gas. In the computation, the values for the intensive variables, that is pressure, temperature and ionization coefficient, are iteratively obtained with a given accuracy starting from assigned values for energy and volume per unit mass. Iterative computation is performed only when the value for the ionization coefficient lies within the lower and the upper bounds fixed by the required number of significant digits; otherwise the two explicit equations of state for nonionized or for fully ionized gases are employed.
Document ID
19780018899
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Garribba, S.
(Politecnico di Milano Milan, Italy)
Quartapelle, L.
(EURATOM Ispra, United States)
Date Acquired
August 9, 2013
Publication Date
September 1, 1976
Publication Information
Publication: Princeton Univ. Partially Ionized Plasmas, Including the 3rd Symp. on Uranium Plasmas
Subject Category
Plasma Physics
Accession Number
78N26842
Funding Number(s)
CONTRACT_GRANT: EURATOM-109-73-PIPGI
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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