Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aipc..651..317l&link_type=abstract
DENSE Z-PINCHES: 5th International Conference on Dense Z-Pinches. AIP Conference Proceedings, Volume 651, pp. 317-320 (2002).
Astronomy and Astrophysics
Astrophysics
Laboratory Studies Of Space- And Astrophysical-Plasma Processes, Wire Array Z-Pinches
Scientific paper
We present results of astrophysically relevant experiments where highly supersonic plasma jets are generated via conically convergent plasma flows in a conical wire array Z-pinch. Stagnation of plasma flow on the axis of symmetry forms a standing conical shock effectively collimating the flow in the axial direction. This scenario is essentially similar to that discussed by Canto and collaborators [1] as a purely hydrodynamic mechanism for jet formation in astrophysical systems. Experiments using different materials (Al, Fe and W) show that a hypersonic (M ~ 20), well-collimated jet is generated when the radiative cooling rate of the plasma is significant.
Ampleford David J.
Blackman Eric
Bland Simon N.
Chittenden Jeremy P.
Ciardi Andrea
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