Hydrodynamics of astrophysical jets

Details Hydrodynamics of astrophysical jets Hydrodynamics of astrophysical jets

Nov 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984esasp.207..251t&link_type=abstract

In ESA Plasma Astrophys. p 251-253 (SEE N85-22270 12-90)

Astronomy and Astrophysics

Astronomy

Accretion Disks, Astronomical Models, Galactic Nuclei, Magnetohydrodynamics, Particle Acceleration, Plasma Jets, Black Holes (Astronomy), Conductive Heat Transfer, Gravitational Effects, Hydrodynamic Equations, Radiation Effects

Scientific paper

A model for the acceleration of jets in geometrically thick accretion disks is presented. The hydrodynamical equations for a non perfect, heat-conducting fluid are discussed. In the model, funnels are filled with fully ionized plasma that is continuously lost from the disk surface through a mechanism analogous to stellar wind. As a consequence of the competing action of gravitational and radiative forces a stagnation point, r0, exists in the funnels: for height along the funnel walls, r r0 the gas is accelerated outwards while for r r0 gravity prevails and the flow is directed inwards and ultimately swallowed by the hole.

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