Unipolar outflows and global meridional circulations in rotating accretion flows

Details Unipolar outflows and global meridional circulations in rotating accretion flows Unipolar outflows and global meridional circulations in rotating accretion flows

1999-12-08

arxiv.org/abs/astro-ph/9912170v1

Astronomy and Astrophysics

Astrophysics

5 pages, 4 figures, accepted by MNRAS

Scientific paper

10.1046/j.1365-8711.2000.03355.x

Using two-dimensional simulations of non-radiative viscous rotating black hole accretion flows, we show that the flows with alpha~0.1-0.3 self-organize to form stationary unipolar or bipolar outflows accompanied by global meridional circulations. The required energy comes, with efficiency \~0.001-0.01, from the matter directly accreted onto black hole. Observational implications are discussed.

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