NDLI: Divertor concept for the W7-X stellarator and mode of operation

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Divertor concept for the W7-X stellarator and mode of operation

Content Provider	Scilit
Author	Renner, H. Boscary, J. Greuner, H. Grote, H. Hoffmann, F. W. Kisslinger, J. Strumberger, E. Mendelevitch, B.
Copyright Year	2002
Description	Journal: Plasma Physics and Controlled Fusion A favourable property of the stellarator concept is the potential of stationary operation within a magnetic configuration maintained by a superconducting coil system. For proof of principle the stellarator Wendelstein 7-X is presently under construction at Greifswald, Germany, and the start of operation is planned for 2007. The magnetic configuration of the confinement is a non-axisymetric three-dimensional configuration with a helix-like magnetic axis and five identical magnetic field periods. As a first-step divertor design, an open divertor structure has been chosen, which benefits from the inherent divertor property of the magnetic configuration. The system will allow an effective particle and energy exhaust for a wide range of plasma and magnetic parameters. Experimental tools, e.g. localized heating, various heating schemas, gas feed and pellet injection, impurity doping and variation of the pumping speed together with appropriate diagnostics are provided. The purpose is to investigate different modes of operation for the divertor system and to evaluate an extended database for further improvement of the divertor. The main heating method will be 140 GHz ECR as a cw heat source of 10 MW. Additional heating schemes are ICRF and NBI.
Related Links	http://iopscience.iop.org/article/10.1088/0741-3335/44/6/325/pdf
Ending Page	1019
Page Count	15
Starting Page	1005
ISSN	07413335
e-ISSN	13616587
DOI	10.1088/0741-3335/44/6/325
Journal	Plasma Physics and Controlled Fusion
Issue Number	6
Volume Number	44
Language	English
Publisher	IOP Publishing
Publisher Date	2002-05-31
Access Restriction	Open
Subject Keyword	Journal: Plasma Physics and Controlled Fusion Nuclear Energy and Engineering Magnetic Configuration Mode of Operation
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Nuclear Energy and Engineering

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