Plasma Column Position Determination Based on Electric Potential Profile Measurements on TUMAN-3M and Globus-M Tokamaks

L. G. Askinazi; G. I. Abdullina; A. A. Belokurov; V. K. Gusev; N. A. Zhubr; V. A. Kornev; S. V. Lebedev; M. I. Patrov; Yu. V. Petrov; N. V. Sakharov; V. A. Tokarev; A. S. Tukachinsky; N. A. Khromov

doi:10.1134/S1063780X1912002X

Plasma Column Position Determination Based on Electric Potential Profile Measurements on TUMAN-3M and Globus-M Tokamaks

Authors: Askinazi L.G.¹, Abdullina G.I.¹, Belokurov A.A.¹, Gusev V.K.¹, Zhubr N.A.¹, Kornev V.A.¹, Lebedev S.V.¹, Patrov M.I.¹, Petrov Y.V.¹, Sakharov N.V.¹, Tokarev V.A.¹, Tukachinsky A.S.¹, Khromov N.A.¹
Affiliations:
1. Ioffe Institute
Issue: Vol 45, No 12 (2019)
Pages: 1164-1170
Section: Tokamaks
URL: https://journals.rcsi.science/1063-780X/article/view/187276
DOI: https://doi.org/10.1134/S1063780X1912002X
ID: 187276

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Abstract

A method of plasma boundary location based on last closed magnetic surface position detection as a maximum of electrostatic potential measured using Langmuir probes is presented. It is demonstrated that the method can be used for an absolute calibration of magnetic diagnostics of plasma position (TUMAN-3M) and as an independent diagnostic tool (Globus-M).