Supersonic radiatively cooled rotating flows and jets in the laboratory

Details Supersonic radiatively cooled rotating flows and jets in the laboratory Supersonic radiatively cooled rotating flows and jets in the laboratory

2007-04-24

arxiv.org/abs/0704.3154v2

Astronomy and Astrophysics

Astrophysics

Accepted for publication in Physical Review Letters (16 pages, 5 figures)

Scientific paper

10.1103/PhysRevLett.100.035001

The first laboratory astrophysics experiments to produce a radiatively cooled plasma jet with dynamically significant angular momentum are discussed. A new configuration of wire array z-pinch, the twisted conical wire array, is used to produce convergent plasma flows each rotating about the central axis. Collision of the flows produces a standing shock and jet that each have supersonic azimuthal velocities. By varying the twist angle of the array, the rotation velocity of the system can be controlled, with jet rotation velocities reaching ~20% of the propagation velocity.

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