Characterization of argon plasma in a variable multi-pole line cusp magnetic field configuration
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چکیده
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Cross-field motion of plasma blobs in an open magnetic field line configuration.
The radial propagation of blobs generated from plasma instabilities is investigated in an open magnetic field line configuration. Blob cross-field velocities and sizes are obtained from internal probe measurements using pattern recognition. By varying the ion mass, the normalized vertical blob scale a[over] is scanned from a[over] < 1 to a[over] > 1. An analytical expression for the blob veloci...
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We have investigated fundamentally an effect of a multi-pole magnetic field on UV-emission from molecular gases excited by a poly-phase ac discharge/plasma. It was found that when a nitric oxide gas NO mixed with a nitrogen molecular gas was used, an intense ultra-violet (UV) irradiation ranging from 200nm to 300nm was emitted from magnetically confined regions. We have examined the dependence ...
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15 صفحه اولMHD motion in field-reversed configuration plasma
The magnitude of magnetohydrodynamic motion in terms of wobble, internal tilt, external tilt and n=2 mode deformation in a field-reversed configuration plasma is quantitatively measured by optical and magnetic methods. In the optical method, a suitable viewing configuration of optical detectors is contrived for each type of motion. In the magnetic method, recently derived analytic formulas are ...
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ژورنال
عنوان ژورنال: Physica Scripta
سال: 2020
ISSN: 0031-8949,1402-4896
DOI: 10.1088/1402-4896/ab4bae