Standing isothermal shocks in adiabatic black hole accretion and winds

Details Standing isothermal shocks in adiabatic black hole accretion and winds Standing isothermal shocks in adiabatic black hole accretion and winds

Aug 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988stin...8918281c&link_type=abstract

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Astronomy and Astrophysics

Astronomy

Black Holes (Astronomy), Isothermal Processes, Shock Waves, Standing Waves, Stellar Mass Accretion, Stellar Winds, Angular Momentum, Rotating Fluids, Transonic Flow

Scientific paper

Presented are solutions for the isothermal standing shocks in the stationary, axially symmetric, transonic, adiabatic flows with polytropic, rotating fluid configurations of small transverse thickness in the black hole geometry. It is shown that these shocks dissipate both the energy and the entropy. The lower limits of shock dissipation and shock strength are derived and the detailed nature of the energy loss at the shock and the location of the shock are provided for the whole parameter space spanned by the initial energy, the accretion rate and the angular momentum of the flow. We show that up to two per cent of the rest mass energy can be radiated away at the shock.

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