The luminosity of particle beams from thick accretion discs

Details The luminosity of particle beams from thick accretion discs The luminosity of particle beams from thick accretion discs

Dec 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983mnras.205.1103n&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 205, Dec. 1983, p. 1103-1116.

Computer Science

Sound

17

Accretion Disks, Galactic Radiation, Particle Beams, Astronomical Models, Drag, Eddington Approximation, Equations Of Motion, Kelvin-Helmholtz Instability, Luminosity, Radiation Distribution, Surface Layers, Turbulent Mixing

Scientific paper

The authors investigate the interaction of the radiation produced in the funnels of thick, highly luminous accretion discs with the walls of these funnels. The turbulent mixing of the surface layer with deeper regions acts to reduce the luminosity associated with outflowing matter. The modification of the radiation field by the moving walls is also important. It is found, for the specific funnel geometry studied, corresponding to a radiation luminosity of 8.5 times the Eddington limit LE, that up to 1.5 LE can be carried away as a particle beam, even for an optically thin funnel. This particle luminosity is sensitive to the sound velocity and the mixing efficiency in the walls. The implications for modelling of thick accretion discs are briefly discussed.

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