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On the Formation and Propagation of Interstellar Jets

Published online by Cambridge University Press:  12 April 2016

Guillermo Tenorio-Tagle
Guillermo Tenorio-Tagle*
Affiliation:
Max-Planck-Institut für Physik und Astrophysik, D-8046 Garching bei München, F. R. G.

Summary.

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The flow that results from stationary supersonically converging conical streams is studied by means of two dimensional numerical calculations. Convcrgency leads to a “colimator” conical shock and this to the formation of an underexpanded hydrodynamical jet. The properties of the conical shock and of the collimated stream are summarized for a variety of initial conditions. The resultant jets are followed to large distances (≥ 7.5X1017 cm) away from the injection point, and are shown to develop a complicated structure that eventually approaches a stationary state. Stationary features such as crossing shocks are shown to evolve from working surface shocks, left behind the head of the jet to ensure self-collimation of the beam matter.

Type
III. Discs, Outflows, Jets and HH Objects
Information
International Astronomical Union Colloquium , Volume 120: Structure and Dynamics of the Interstellar Medium , 1989 , pp. 264 - 275
Copyright
Copyright © Springer-Verlag 1989

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