Experiments with radiatively cooled supersonic plasma jets generated in conical wire array Z-pinches

Details Experiments with radiatively cooled supersonic plasma jets generated in conical wire array Z-pinches Experiments with radiatively cooled supersonic plasma jets generated in conical wire array Z-pinches

Apr 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aps..apro16006l&link_type=abstract

American Physical Society, April Meeting, Jointly Sponsored with the High Energy Astrophysics Division (HEAD) of the American As

Astronomy and Astrophysics

Astrophysics

Scientific paper

We will present experimental study of supersonic plasma jets, which have dimensionless parameters similar to those for astrophysical jets in Young Stellar Objects. The jets in these experiments are produced using precursor plasma flow in conical wire array Z-pinches. Stagnation of the plasma flow on the axis of symmetry forms a standing conical shock, which effectively collimates the flow in the axial direction. Experiments using different materials (Al, Fe and W) show that highly supersonic (M 20) and well-collimated jets are generated when the radiative cooling rate of the plasma is significant. The interaction of these jets with different plasma targets was studied. Collisionless deflection of the jets by a transverse gradient of plasma density was observed. Experimental configurations, which allow the formation of jets with angular momentum and / or axial magnetic field, will be discussed. Scaling of the jet parameters with the drive current from the present 1MA level will be analyzed.

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