Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987a%26a...172..124k&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 172, no. 1-2, Jan. 1987, p. 124-142.
Astronomy and Astrophysics
Astrophysics
42
Accretion Disks, Boundary Layer Flow, Cataclysmic Variables, Stellar Models, Stellar Rotation, Two Dimensional Flow, Two Dimensional Models, Advection, Energy Dissipation, Spectral Energy Distribution, Stellar Structure
Scientific paper
Nearly half of the total available accretion energy can be released in the boundary layer (BL) if the accreting object is slowly rotating. The spectral distribution of the emitted radiation depends crucially on the internal structure of the BL. Up to now no detailed models concerning the BL exist. The authors present an explicit two-dimensional numerical method written for axisymmetric accretion flows including viscosity and angular momentum. Advection is taken into account using the accurate second-order monotonic transport algorithm. The authors present the test runs undertaken with the code and display their first models concerning the BL structure incorporating variation of the stellar rotation, the fraction of the released energy and the magnitude of viscosity.
Hensler Gerhard
Kley Willy
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