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Effect of the external helical fields on the plasma boundary shape in JET

Dimitriy Yadykin (Institutionen för rymd- och geovetenskap, Plasmafysik och fusionsenergi) ; M. Gryaznevich ; L. Frasinetti ; S. Gerasimov
Nuclear Fusion (0029-5515). Vol. 54 (2014), 1, p. 6.
[Artikel, refereegranskad vetenskaplig]

Externally applied helical magnetic fields are now often used on tokamaks for various purposes. This paper presents results of studies of the effect of the external fields, produced by the error field correction coils (EFCCs) on JET, on the plasma boundary shape. Significant 3D distortions, predicted in the previous studies, have been confirmed using upgraded magnetic diagnostics and high-resolution Thomson scattering diagnostics. A simple method of estimating the edge distortion using magnetic diagnostics calibrated on the kinetic measurements is proposed and demonstrated.

Nyckelord: 3D equilibrium, plasma boundary reconstruction, external magnetic, fields, tokamak, JET, RESISTIVE-WALL MODES, DIII-D PLASMAS, HIGH-BETA, STABILIZATION

Denna post skapades 2014-02-04. Senast ändrad 2015-01-20.
CPL Pubid: 193417


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Institutioner (Chalmers)

Institutionen för rymd- och geovetenskap, Plasmafysik och fusionsenergi


Fusion, plasma och rymdfysik

Chalmers infrastruktur