Abstract

We estimate the neoclassical tearing mode (NTM) threshold island width, Wc , associated with the bootstrap current contribution to the time evolution of the magnetic island. Following the original work by Fitzpatrick, we solve the heat transport equation for the electron temperature distribution with Wc being the input parameter. The obtained model temperature profile is then fitted to the Globus-M Thomson scattering (TS) data to deduce the actual Wc value. Due to the relatively low resolution of the Globus-M TS in the island region, we have also adopted ASTRA to provide the benchmarking.

Details

Title
NTM threshold island width measurements on Globus-M based on the Fitzpatrick heat transport model
Author
Dudkovskaia, A V 1 ; Patrov, M I 1 ; Gusev, V K 1 ; Kiselev, E O 1 ; Kurskiev, G S 1 

 Ioffe Institute, Politekhnicheskaya 26, 194021, St Petersburg, Russian Federation 
Publication year
2019
Publication date
Nov 2019
Publisher
IOP Publishing
ISSN
17426588
e-ISSN
17426596
Source type
Scholarly Journal
Language of publication
English
ProQuest document ID
2568282950
Copyright
© 2019. This work is published under http://creativecommons.org/licenses/by/3.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.