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Time-Dependent MHD Simulations of Jets from Accretion Discs: Stationary Solutions

Published online by Cambridge University Press:  12 April 2016

M.M. Romanova ,
R.V.E. Lovelace ,
G.V. Ustyugova ,
A.V. Koldoba  and
V.M. Chechetkin
M.M. Romanova
Affiliation:
Space Research Institute, Moscow, Russiaand Department of Astronomy, Cornell University, Ithaca, NY 14853–6801
R.V.E. Lovelace
Affiliation:
Space Research Institute, Moscow, Russiaand Department of Astronomy, Cornell University, Ithaca, NY 14853–6801
G.V. Ustyugova
Affiliation:
Keldysh Institute of Applied Mathematics, Moscow, Russia
A.V. Koldoba
Affiliation:
Keldysh Institute of Applied Mathematics, Moscow, Russia
V.M. Chechetkin
Affiliation:
Keldysh Institute of Applied Mathematics, Moscow, Russia

Abstract

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A family of stationary solutions for magnetically driven outflows has been discovered by time-dependent, axisymmetric magnetohydrodynamic simulations of outflows from an accretion disk threaded by an inclined magnetic field. At the disk surface matter was given a small initial push with a speed less than the slow magnetosonic speed. In the simulations, the outflowing matter is observed to be accelerated by magnetic force and by centrifugal force up to velocities in excess of the fast magnetosonic speed and in excess of the escape speed from the central object.

Type
Part 10. Accretion Disks and Outflows
Information
International Astronomical Union Colloquium , Volume 163: Accretion Phenomena and Related Outflows , 1997 , pp. 490 - 493
Copyright
Copyright © Astronomical Society of the Pacific 1997

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