Two-Dimensional Numerical Models of the Boundary Layer of Accretion Disks in Cataclysmic Variables

Details Two-Dimensional Numerical Models of the Boundary Layer of Accretion Disks in Cataclysmic Variables Two-Dimensional Numerical Models of the Boundary Layer of Accretion Disks in Cataclysmic Variables

Feb 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987ap%26ss.130..321k&link_type=abstract

Astrophysics and Space Science, Volume 130, Issue 1-2, pp. 321-326

Astronomy and Astrophysics

Astrophysics

2

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. We have developed an explicit two-dimensional numerical method written for axisymmetric accretion flows including viscosity effects and angular momentum. We display our first models concerning the BL structure incorporating variation of the stellar rotation and of the fraction of the released energy. The first results show a strong dependence of the BL structure on the local rate of cooling and on the rotation of the primary.

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