Simulations of Jets: Propagation Into A Magnetic Field (Oblique)

Details Simulations of Jets: Propagation Into A Magnetic Field (Oblique) Simulations of Jets: Propagation Into A Magnetic Field (Oblique)

Dec 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995aas...187.5020n&link_type=abstract

American Astronomical Society, 187th AAS Meeting, #50.20; Bulletin of the American Astronomical Society, Vol. 27, p.1361

Astronomy and Astrophysics

Astronomy

Scientific paper

We have investigated the propagation of a fluid jet through an oblique uniform magnetic field using a three-dimensional ideal magnetohydrodynamical model. The numerical experiments show that the jet is bent by the oblique magnetic field. We found the bending scale depends on the jet velocity and jet-magnetic field angle. The high magnetic Mach number jet goes straight compared with slow jet. The magnetic field with the angle between the jet and magnetic field 45(deg) bends the jet most quickly. The plasma and the perpendicular component of the magnetic field are compressed at the head of the jet. We also found that the oblique magnetic field decelerates the speed of the jet head. These numerical results are explained by a simple analytical models. We will also attempt to investigate jets in an ambient magnetic field using a 3-D electromangetic, relativistic particle code. In particle simulations we will be able to include kinetic and relativistic effects. We may be able to apply these simulation results to explain the observations of jets among AGN.

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