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Amplification of S-1 Spheromak current by an inductive current transformer

Authors: Jardin, S. C.; Janos, A.; Yamada, M.;

Amplification of S-1 Spheromak current by an inductive current transformer

Abstract

We attempt to predict the consequences of adding an inductive current transformer (OH Transformer) to the present S-1 Spheromak experiment. Axisymmetric modeling with only classical dissipation shows an increase of toroidal current and a shrinking and hollowing of the current channel, conserving toroidal flux. These unstable profiles will undergo helical reconnection, conserving helicity K = ..integral.. A-vector x B-vector d tau while increasing the toroidal flux and decreasing the poloidal flux so that the plasma relaxes toward the Taylor state. This flux rearrangement is modeled by a new current viscosity term in the mean-field Ohm's law which conserves helicity and dissipates energy.

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United States
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Keywords

Electrical Equipment, Joule Heating, Electric Heating, Equipment, Tokamak Devices 700209* -- Fusion Power Plant Technology-- Component Development & Materials Testing, Plasma Heating, Thermonuclear Devices, Spheromak Devices, Heating, Helicity, Resistance Heating, Transformers, 70 Plasma Physics And Fusion Technology, Particle Properties, Computerized Simulation, Simulation, Closed Plasma Devices

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Average
Average
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