Next steps in Quasi-Axisymmetric stellarator research

George H. Neilson, David A. Gates, Philip J. Heitzenroeder, Joshua Breslau, Stewart C. Prager, Timothy Stevenson, Peter Titus, Michael D. Williams, Michael C. Zarnstorff

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

The quasi-axisymmetric (QA) stellarator, a 3-D magnetic configuration with close connections to tokamaks, offers solutions for a steady state, disruption-free fusion system. A new experimental facility, QUASAR, provides a rapid approach to the next step in QA development, an integrated experimental test of its physics properties, taking advantage of the designs, fabricated components, and detailed assembly plans developed for the NCSX project. A scenario is presented for constructing the QUASAR facility for physics research operations starting in 2019. Operating in deuterium, such a facility would investigate the scale-up in size and pulse length from QUASAR, while a suitably equipped version operating in deuterium-tritium (DT) could address fusion nuclear missions. New QA optimization strategies, aimed at improved engineering attractiveness, would also be tested.

Original languageEnglish (US)
Article number6720132
Pages (from-to)489-494
Number of pages6
JournalIEEE Transactions on Plasma Science
Volume42
Issue number3
DOIs
StatePublished - Mar 2014

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Condensed Matter Physics

Keywords

  • Stellarators
  • strategic planning

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