Hydrodynamic studies in astrophysics: 1. Relativistic expanding nonthermal radio sources; 2. Optically thick accretion near the Eddington limit

Details Hydrodynamic studies in astrophysics: 1. Relativistic expanding nonthermal radio sources; 2. Optically thick accretion near the Eddington limit Hydrodynamic studies in astrophysics: 1. Relativistic expanding nonthermal radio sources; 2. Optically thick accretion near the Eddington limit

Jul 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977phdt.........4v&link_type=abstract

Ph.D. Thesis Cornell Univ., Ithaca, NY.

Astronomy and Astrophysics

Astrophysics

Deposition, Hydrodynamics, Luminosity, Nonthermal Radiation, Radio Sources (Astronomy), Astrophysics, Equations Of Motion, Luminous Intensity, Magnetic Fields, Magnetohydrodynamic Flow

Scientific paper

For the radio source models, a treatment of the free expansion into vacuum by a relativistic plasma with an embedded magnetic field is first presented. Both a linear and a spherical geometry are considered. The general features of relativistic free expansion are discussed and compared with those of nonrelativistic free expansion. Nonthermal radio source models are presented using the results of the hydrodynamical solutions for free expansion. Both relativistically and nonrelativistically expanding sources are considered. Steady, spherically symmetric accretion onto a compact object near the Eddington limiting luminosity is also considered for an optically thick, ionized hydrogen plasma. Solutions assuming LTE are treated in detail, with non-LTE flows being briefly discussed. An analysis of convection and Rayleigh-Taylor instabilities are also given.

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