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          Institute: MPI für Plasmaphysik     Collection: Articles, Books, Inbooks     Display Documents

ID: 56420.0, MPI für Plasmaphysik / Articles, Books, Inbooks
Status of WENDELSTEIN 7-X construction
Authors:Wanner, M.; Erckmann, V.; Feist, J.-H.; Gardebrecht, W.; Hartmann, D.; Krampitz, R.; Niedermeyer, H.; Renner, H.; Rummel, T.; Schauer, F.; Wegener, L.; Wesner, F.; Müller, G. A.; Kasparek, W.; Thumm, M.; Dammertz, G.
Date of Publication (YYYY-MM-DD):2003
Title of Journal:Nuclear Fusion
Journal Abbrev.:Nucl. Fusion
Issue / Number:6
Start Page:416
End Page:424
Copyright:Copyright © Institute of Physics and IOP Publishing Limited 2003
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:WENDELSTEIN 7-X (W7-X) shall confirm the favourable plasma properties and the high density and beta limits of the helical advanced stellarator and demonstrate steady-state operation. The magnetic configuration of W7-X is characterized by a set of 50 non-planar and 20 planar superconducting coils. The magnet system will be manufactured and assembled to a precision of a few millimetres and maintain its symmetry during cool-down to cryogenic temperatures. Power supplies allows one to adjust the magnetic field with a precision of a few milli Tesla and safely dump the magnet energy in case of a quench. The plasma vessel gives maximum space for the plasma and is kept
symmetrically with respect to the plasma by dedicated means. Steady-state heating is achieved by 10 MW ECRH. Energy and particles are controlled by a continuously working divertor. All plasma-facing surfaces are covered by CFC, graphite or B4C, respectively. The paper reviews the status of the construction and describes details of the design.
Free Keywords:SYSTEM, DESIGN
External Publication Status:published
Document Type:Article
Communicated by:N. N.
Affiliations:MPI für Plasmaphysik
External Affiliations:Institut für Plasmaforschung, Universität Stuttgart, Pfaffenwaldring 31, D-70569 Stuttgart, Germany; Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft, EURATOM Association, Herrmann-von-Helmholtz-Platz 1, D-76344 Eggenstein-Leopoldshafen, Germany
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