Pinch (plasma physics) | Wikipedia audio article
Channel: wikipedia tts
Date: 30/12/2018

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Pinch_(plasma_physics)


00:00:35 1 Basic mechanism
00:00:45 2 Types
00:02:56 3 Common behavior
00:03:23 4 Applications and devices
00:05:05 4.1 Crushing cans with the pinch effect
00:06:24 5 History
00:08:15 6 Equilibrium analysis
00:09:19 6.1 One dimension
00:09:29 6.1.1 The θ-pinch
00:10:00 6.1.2 The Z-pinch
00:12:41 6.1.3 The screw pinch
00:15:27 6.1.4 The screw pinch via colliding optical vortices
00:18:24 6.2 Two dimensions
00:19:10 6.3 Three dimensions
00:20:20 7 Formal treatment
00:22:11 7.1 The Bennett relation
00:22:21 7.2 The generalized Bennett relation
00:22:54 7.3 The Carlqvist relation
00:23:14 8 References in  culture
00:24:17 9 See also
00:27:20 10 References
00:29:04 11 External links
00:30:01 0, the magnetic pressures balances the gravitational pressure, and the pinching force is negligible. (d) To the left of the sloping curve ΔWBz
00:30:56 References in  culture
00:31:18 See also



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SUMMARY
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A pinch is the compression of an electrically conducting filament by magnetic forces.  The conductor is usually a plasma, but could also be a solid or liquid metal.  Pinches were the first type of device used for controlled nuclear fusion.The phenomenon may also be referred to as a Bennett pinch (after Willard Harrison Bennett), electromagnetic pinch, magnetic pinch, pinch effect or plasma pinch.Pinches occur naturally in electrical discharges such as lightning bolts, the aurora, current sheets, and solar flares.