Standing non-dissipative shocks in black hole accretion and winds

Details Standing non-dissipative shocks in black hole accretion and winds Standing non-dissipative shocks in black hole accretion and winds

Jul 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988stin...8918279c&link_type=abstract

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Astronomy and Astrophysics

Astronomy

Black Holes (Astronomy), Shock Waves, Standing Waves, Stellar Mass Accretion, Stellar Temperature, Stellar Winds, Accretion Disks, Adiabatic Conditions, Mach Number, Neutron Stars, Transonic Flow

Scientific paper

We present all non-dissipative shock solutions for stationary, axially symmetric and rotating adiabatic flows of small transverse thickness in black hole potential. We show that for a given initial and final states of the flow, there can be as many as four formal shock locations in both the accretion and the winds. Only two (three) of these locations are acceptable for accretion onto black holes (neutron stars) and three of these locations are acceptable for winds. We prove that the shock strength and the temperature jump have a lower limit which does not depend upon the parameters of the flow or the force field in which the flow moves and is only a function of the adiabatic index of flow.

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