Statistics – Computation
Scientific paper
Apr 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...371...98f&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 371, April 10, 1991, p. 98-110. DFG-supported research.
Statistics
Computation
13
Computational Astrophysics, Elliptical Galaxies, Galactic Radiation, Hydrodynamics, Three Dimensional Models, Galactic Structure, Magnetohydrodynamic Flow, Mathematical Models
Scientific paper
The outflow of gases from coronal regions of galaxies is mathematically discussed. A new model for modeling galactic wind expansion in three dimensions by the use of ellipsoidal coordinates is formulated. The model gives a reasonable description of the actual quasi-ellipsoidal geometry of many galaxies, and also allows for a study of the transition from planar to spherical models which appear as the asymptotic cases of an infinitely flattened ellipsoid and an ellipsoid with three equal-principal axes, respectively. The model also permits the variation of the galactic wind properties as functions of the direction to be investigated. As an example, the method is applied to realistic galactic wind systems including MHD flows.
Fahr Hans Jörg
Fichtner Horst
Neutsch Wolfram
Schlickeiser Reinhard
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