Heat flux management via advanced magnetic divertor configurations and divertor detachment

E. Kolemen, S. L. Allen, B. D. Bray, M. E. Fenstermacher, D. A. Humphreys, A. W. Hyatt, C. J. Lasnier, A. W. Leonard, M. A. Makowski, A. G. McLean, R. Maingi, R. Nazikian, T. W. Petrie, V. A. Soukhanovskii, E. A. Unterberg

Research output: Contribution to journalArticlepeer-review

30 Scopus citations


Abstract The snowflake divertor (SFD) control and detachment control to manage the heat flux at the divertor are successfully demonstrated at DIII-D. Results of the development and implementation of these two heat flux reduction control methods are presented. The SFD control algorithm calculates the position of the two null-points in real-time and controls shaping coil currents to achieve and stabilize various snowflake configurations. Detachment control stabilizes the detachment front fixed at specified distance between the strike point and the X-point throughout the shot.

Original languageEnglish (US)
Article number48693
Pages (from-to)1186-1190
Number of pages5
JournalJournal of Nuclear Materials
StatePublished - Jul 22 2015

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • General Materials Science
  • Nuclear Energy and Engineering


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