A rotating plasma experiment has been built which produces a stable, reproducible, super-magnetosonic flow in highly ionized argon. The rotation is produced by a radial electrical discharge across a vertical magnetic field. A preheat discharge gives uniform starting conditions for the flow. The flow velocity exceeds the limit predicted for argon by the Alfven critical velocity theory. Magnetosonic mach numbers up to 2.0 and flow times of 0.5 msec are obtained. The VORTEX plasma is used to model some aspects of the solar wind flow past bodies in the solar system.
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L. J. Srnka (1974) studied this question.
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