Chin. Phys. Lett.  2005, Vol. 22 Issue (4): 1025-1028    DOI:
Original Articles |
Standing Shocks in Viscous Accretion Flows around Black Holes
GU Wei-Min;LU Ju-Fu
Department of Physics, Xiamen University, Xiamen 361005
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GU Wei-Min, LU Ju-Fu 2005 Chin. Phys. Lett. 22 1025-1028
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Abstract We study the problem of standing shocks in viscous accretion flows around black holes. We parameterize such a flow with two physical constants, namely the specific angular momentum accreted by the black hole j and the energy quantity K. By providing the global dependence of shock formation in the j-K parameter space, we show that a significant parameter region can ensure solutions with shocks of different types, namely Rankine-Hugoniot shocks, isothermal shocks, and more realistically, mixed shocks.
Keywords: 98.62.Mw      97.60.Lf      95.30.Lz      96.50.Fm     
Published: 01 April 2005
PACS:  98.62.Mw (Infall, accretion, and accretion disks)  
  97.60.Lf (Black holes)  
  95.30.Lz (Hydrodynamics)  
  96.50.Fm (Planetary bow shocks; interplanetary shocks)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2005/V22/I4/01025
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