Journal
JOURNAL OF NUCLEAR MATERIALS
Volume 463, Issue -, Pages 1186-1190Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jnucmat.2014.11.099
Keywords
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Funding
- US Department of Energy [DE-AC02-09CH11466, DE-AC52-07NA27344, DE-FC02-04ER54698, DE-AC05-000R22725]
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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. (C) 2014 Elsevier B.V. All rights reserved.
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