Astronomy and Astrophysics – Astrophysics
Scientific paper
Jul 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002pobeo..73..131d&link_type=abstract
Publications of the Astronomical Observatory of Belgrade (ISSN 0373-3742), No. 73, p. 131 - 136 (2002). In: Proceedings of the T
Astronomy and Astrophysics
Astrophysics
Accretion Flows, Angular Momentum
Scientific paper
The presence of accretion disks around active galactic nuclei and quasars as well as in close binaries and protoplanetary objects made of the investigation of the accretion flows a question not only for astrophysics but also for theoretical hydrodynamics and magnetohydrodynamics. In close binaries a possibility exists for one of the stars to be a compact object and the second at the same time to be a giant, losing mass and originating in this way accretion flow toward the compact object surface. Physical mechanisms for angular momentum transfer in accretion flows in close binaries are the theme of this work. One of the possibilities is the presence of some structures and shock fronts in the flow, where energy exchange is very effective. Here we present the results of two kinds of numerical simulations, showing the spiral structure formation and the vortices production separately.
Andreeva D. V.
Dimitrova M. M.
Filipov L'chezar G.
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