Development of a real-time algorithm for detection of the divertor detachment radiation front using multi-spectral imaging

EUROfusion MST1 Team, TCV team

Research output: Contribution to journalArticleAcademicpeer-review

4 Citations (Scopus)

Abstract

In this paper we present a novel algorithm to extract the optical plasma boundary and radiation front for detached divertor plasmas. We show that reliable detection of the divertor leg and radiation front is possible using lightweight image processing tools. Using a non-tomographic approach, the detected divertor leg and radiation front can be mapped to the poloidal plane. This approach is fast and accurate enough for real-time control purposes, allowing in particular real-time plasma shape and detachment control, and post-shot detachment physics and dynamics analysis.

Original languageEnglish
Article number066017
JournalNuclear Fusion
Volume60
Issue number6
DOIs
Publication statusPublished - Jun 2020

Keywords

  • divertor detachment
  • multispectral imaging
  • real-time analysis
  • tokamak

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