Working surfaces in radiative, non-top hat jets

Details Working surfaces in radiative, non-top hat jets Working surfaces in radiative, non-top hat jets

Apr 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998a%26a...332..714r&link_type=abstract

Astronomy and Astrophysics, v.332, p.714-720 (1998)

Astronomy and Astrophysics

Astrophysics

10

Ism: Jets And Outflows, Hydrodynamics, Shock Waves, Methods: Analytical

Scientific paper

Most models of radiative jets have been computed for the special case of a top hat initial cross section. This paper discusses the dynamics of both leading and internal working surfaces in jets with more general initial cross sections, based on both an analytic, ``thin shell'' model, and on a full numerical simulation. We find that a non-top hat cross section for the jet ram pressure first leads to a strong curvature of the working surface shocks, and at longer timescales to the formation of a warm, dense ``nose cone''. These results have interesting implications for comparisons between radiative jet models and observations of Herbig-Haro objects.

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