Taming the Heat Flux Problem: Advanced Divertors Towards Fusion Power

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• 作者：M. Kotschenreuther ; S. Mahajan ; P. M. Valanju ; B. Covele…
• 关键词：Divertor ; Scrape ; off layer ; Plasma detachment
• 刊名：Journal of Fusion Energy
• 出版年：2016
• 出版时间：February 2016
• 年：2016
• 卷：35
• 期：1
• 页码：27-30
• 全文大小：580 KB
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• 作者单位：M. Kotschenreuther (1)
  S. Mahajan (1)
  P. M. Valanju (1)
  B. Covele (1)
  F. L. Waelbroeck (1)
  J. M. Canik (2)
  B. LaBombard (3)
  
  1. Institute for Fusion Studies, The University of Texas at Austin, Austin, TX, 78712, USA
  2. Oak Ridge National Laboratory, PO Box 2008, Oak Ridge, TN, 37831, USA
  3. Plasma Science and Fusion Center, Massachusetts Institute of Technology, 175 Albany Street, Cambridge, MA, 02139, USA
  
• 刊物类别：Engineering
• 刊物主题：Nuclear Engineering
  
• 出版者：Springer Netherlands
• ISSN：1572-9591

文摘

The next generation fusion machines are likely to face enormous heat exhaust problems. In addition to summarizing major issues and physical processes connected with these problems, we discuss how advanced divertors, obtained by modifying the local geometry, may yield workable solutions. We also point out that: (1) the initial interpretation of recent experiments show that the advantages, predicted, for instance, for the X-divertor (in particular, being able to run a detached operation at high pedestal pressure) correlate very well with observations, and (2) the X-D geometry could be implemented on ITER (and DEMOS) respecting all the relevant constraints. A roadmap for future research efforts is proposed. Keywords Divertor Scrape-off layer Plasma detachment