The Internal Structure of a Non-Relativistic Jet

Details The Internal Structure of a Non-Relativistic Jet The Internal Structure of a Non-Relativistic Jet

Aug 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007jena.confe..30b&link_type=abstract

"JENAM-2007, "Our non-stable Universe", held 20-25 August 2007 in Yerevan, Armenia. Abstract book, p. 30-30"

Physics

Scientific paper

The main question of our work is the internal structure of a non-relativistic jet, e.g. in YSO. We find that temperature plays a very important role and can not be neglected in the problem. We show that an oblique shock must stand at the base of a jet (a region where a flow is collimated). We regard the problem of magneto-hydrodynamic non-relativistic outflow of ideal plasma in a media with finite magnetic and gas pressure. In the model we propose that the collimation of jet is attributed to the external media. We can solve the problem of force balance across magnetic surfaces in a region where a jet is already collimated, i.e. where it becomes one-dimensional. We show that it is impossible to construct a physically reasonable solution for a cold jet. We suggest that the temperature plays a very important role in a jet structure. We propose that an oblique shock stands in the intermediate region of a flow collimation. For a model shock we find the jet structure in a far region.

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