Astronomy and Astrophysics – Astrophysics
Scientific paper
1998-12-31
Astron. Zh. 1999, v.76, p.270 (Astron. Reports v.43, p.229)
Astronomy and Astrophysics
Astrophysics
LaTeX, 22 pages, accepted for publication in Astronomy Reports
Scientific paper
We present the results of three-dimensional numerical simulations of mass transfer in semi-detached binary systems in which the mass-losing star is rotating. The cases of aligned and misaligned non-synchronous rotation of the donor star are considered; the resulting flow patterns are compared to the synchronous case. The main properties of the flow, such as the formation of an circumbinary envelope, the absence of a "hot spot" on the edge of the accretion disk, and the formation of a shock wave along the flow edge, are qualitatively similar to those obtained earlier. For the case of misaligned, non-synchronous rotation, the behavior of the disk and surrounding matter in established flow regime reflects changes in the boundary conditions at the surface of the donor star; in other words, a "driven disk" model is realized in the calculations.
Bisikalo Dimitry V.
Boyarchuk Alexander A.
Chechetkin V. M.
Kuznetsov Oleg A.
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