Advection-dominated Accretion: A Self-similar Solution

@article{Narayan1994AdvectiondominatedAA,
  title={Advection-dominated Accretion: A Self-similar Solution},
  author={R. Narayan and I. Yi},
  journal={The Astrophysical Journal},
  year={1994},
  volume={428}
}
We consider viscous rotating accretion flows in which most of the viscously dissipated energy is stored as entropy rather than being radiated. Such advection-dominated flows may occur when the optical depth is either very small or very large. We obtain a family of self-similar solutions where the temperature of the accreting gas is nearly virial and the flow is quasi-spherical. The gas rotates at much less than the Keplerian angular velocity; therefore, the central stars in such flows will… Expand
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