Analysis on the formation of a FRC by flux measurements and MHD simulations
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Iop Publishing Ltd
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Trabalho apresentado em evento
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The evolution of the separatrix and excluded flux radius was investigated in a mirror-less theta pinch with external magnetic and loop probes and by numerical simulation. In the numerical hybrid code the anomalous effect was taken as evolution of lower hybrid drift instability. At mid-plane of the coil the experimental and theoretical values of lift-off time, implosion time and equilibrium plasma radius were very close. The implosion time is 5 +/- 1 cm/mu s and the separatrix radius at mid-plane is around one half of the discharge tube radius. Within the experimental uncertainty the excluded flux radius has the same value along the coil, suggesting an elongated configuration with closed magnetic field lines.
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Excluded flux radius, Separatrix radius, FRC
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Inglês
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15th Latin American Workshop On Plasma Physics (LAWPP 2014). Bristol: Iop Publishing Ltd, v. 591, 6 p., 2015.
