Bondi/Hoyle and Shakura/Sunyaev - Max-Planck-Institut für ...

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Radiation from Shakura/Sunyaev accretion • Maximal radiation efficiency: Depending on inner boundary conditions ɛ ≈ 0.06 (Schwarzschild) or ɛ ≈ 0.40 (maximal Kerr) 29
4. General relativistic torus accretion 30
Page 1 and 2: Accretion: Bondi/Hoyle and Shakura/
Page 3 and 4: Literature • This talk is based o
Page 5 and 6: Accretion onto compact objects •
Page 7 and 8: Models of accretion • Analytical
Page 9 and 10: 2. Spherical accretion 8
Page 11 and 12: Flow description • 1D radial flow
Page 13 and 14: • u(r) at small radii: free-fall
Page 15 and 16: 3. Disk accretion 14
Page 17 and 18: Disk accretion: General features
Page 19 and 20: Sketch of a thin accretion disk 18
Page 21 and 22: Angular momentum conservation • M
Page 23 and 24: Vertical momentum conservation •
Page 25 and 26: Viscosity law • Several physical
Page 27 and 28: Radiative transport • Transport f
Page 29: Structure of the solution • The s
Page 33 and 34: The torus (thick disk) model • As
Page 35: Summary • Accretion is inflow of

Bondi/Hoyle and Shakura/Sunyaev - Max-Planck-Institut für ...

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