Tomographic Visualization for Plasma Position Control in ISTTOK

Author

Carvalho, P.J. ; Coelho, R. ; Pereira, T. ; Duarte, P. ; Silva, C. ; Neto, A. ; Valcarcel, D.F. ; Figueiredo, A.C.A. ; Fernandes, H.

Author_Institution

Centro de Fusao Nucl., Inst. Super. Tecnico, Lisbon

Volume

36

Issue

4

fYear

2008

Firstpage

1102

Lastpage

1103

Abstract

Plasma positioning on the ISTTOK tokamak has usually been done, resorting to magnetic pickup coils. However, during alternating current (ac)-type discharges with plasma current reversal, this method has been found to be inadequate. The recently installed tomography diagnostic can be an alternative for determining the plasma position. The presented image shows tomographic reconstructions of the ISTTOK plasma during ac discharges, showing the position of maximum and average emissivity positions.

Keywords

Tokamak devices; optical tomography; photodiodes; plasma diagnostics; position control; ISTTOK tokamak; ac discharges; average emissivity position; maximum emissivity position; plasma position control; plasma tomography diagnostic; tomographic visualization; Coils; Image reconstruction; Photodiodes; Plasma diagnostics; Plasma temperature; Position control; Tokamaks; Tomography; Toroidal magnetic fields; Visualization; ISTTOK; real-time; tokamak; tomography;

fLanguage

English

Journal_Title

Plasma Science, IEEE Transactions on

Publisher

ieee

ISSN

0093-3813

Type

jour

DOI

10.1109/TPS.2004.924565

Filename

4598944