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8. Ionized gas in a magnetic field

Published online by Cambridge University Press:  18 July 2016

A. Schlüter
A. Schlüter*
Affiliation:
Max Planck Institut für Physik, Göttingen, Germany

Abstract

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The ionized gas is described as a mixture of several fluids; each obeying a quasi-hydrodynamic equation of motion with additional terms describing the mechanical interaction. Particularly, two- and three-fluid models are considered. The nature of the approximations (‘quasi-neutrality’, ‘creeping diffusion’) is discussed. Conservation-laws are formulated for the case of negligible effect of mutual encounters and of pressure diffusion. These models lead to a generalization of Ohm's law; it is shown that the additional terms are of practical importance if one has three components, of which one may be neutral.

Type
Part I: Magneto-Hydrodynamics
Information
Symposium - International Astronomical Union , Volume 6: Electromagnetic Phenomena in Cosmical Physics , 1958 , pp. 71 - 80
Copyright
Copyright © Cambridge University Press 1958 

References

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