Stellarator Research Opportunities: A Report of the National Stellarator Coordinating Committee |
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| Authors: | David A Gates David Anderson S Anderson M Zarnstorff Donald A Spong Harold Weitzner G H Neilson D Ruzic D Andruczyk J H Harris H Mynick C C Hegna O Schmitz J N Talmadge D Curreli D Maurer A H Boozer S Knowlton J P Allain D Ennis G Wurden A Reiman J D Lore Matt Landreman J P Freidberg S R Hudson M Porkolab D Demers J Terry E Edlund S A Lazerson N Pablant R Fonck F Volpe J Canik R Granetz A Ware J D Hanson S Kumar C Deng K Likin A Cerfon A Ram A Hassam S Prager C Paz-Soldan M J Pueschel I Joseph A H Glasser |
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| Affiliation: | 1.Princeton Plasma Physics Laboratory,Princeton,USA;2.University of Wisconsin-Madison,Madison,USA;3.Oak Ridge National Laboratory,Oak Ridge,USA;4.New York University,New York,USA;5.University of Illinois Champaign-Urbana,Urbana,USA;6.Auburn University,Auburn,USA;7.Columbia University,New York,USA;8.Los Alamos National Laboratory,Los Alamos,USA;9.University of Maryland,College Park,USA;10.Massachusetts Institute of Technology,Cambridge,USA;11.Xantho Technologies,Madison,USA;12.University of Montana,Missoula,USA;13.General Atomics,San Diego,USA;14.Lawrence Livermore National Laboratory,Livermore,USA;15.Fusion Theory & Computation, Inc.,Kingston,USA |
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| Abstract: | This document is the product of a stellarator community workshop, organized by the National Stellarator Coordinating Committee and referred to as Stellcon, that was held in Cambridge, Massachusetts in February 2016, hosted by MIT. The workshop was widely advertised, and was attended by 40 scientists from 12 different institutions including national labs, universities and private industry, as well as a representative from the Department of Energy. The final section of this document describes areas of community wide consensus that were developed as a result of the discussions held at that workshop. Areas where further study would be helpful to generate a consensus path forward for the US stellarator program are also discussed. The program outlined in this document is directly responsive to many of the strategic priorities of FES as articulated in “Fusion Energy Sciences: A Ten-Year Perspective (2015–2025)” 1]. The natural disruption immunity of the stellarator directly addresses “Elimination of transient events that can be deleterious to toroidal fusion plasma confinement devices” an area of critical importance for the US fusion energy sciences enterprise over the next decade. Another critical area of research “Strengthening our partnerships with international research facilities,” is being significantly advanced on the W7-X stellarator in Germany and serves as a test-bed for development of successful international collaboration on ITER. This report also outlines how materials science as it relates to plasma and fusion sciences, another critical research area, can be carried out effectively in a stellarator. Additionally, significant advances along two of the Research Directions outlined in the report; “Burning Plasma Science: Foundations—Next-generation research capabilities”, and “Burning Plasma Science: Long pulse—Sustainment of Long-Pulse Plasma Equilibria” are proposed. |
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