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  Wall conditioning for Wendelstein 7-X by glow discharge

Spring, A., Brakel, R., & Niedermeyer, H. (2003). Wall conditioning for Wendelstein 7-X by glow discharge. Fusion Engineering and Design, 66-68, 371-375. doi:10.1016/S0920-3796(03)00245-X.

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 Creators:
Spring, A.1, Author           
Brakel, R.2, Author           
Niedermeyer, H.1, Author           
Affiliations:
1W7-X: Construction, Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856314              
2Experimental Plasma Physics 3 (E3), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856291              

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Free keywords: 22nd Symposium on Fusion Technology (SOFT 2002), Helsinki, 2002-09-09 to 2002-09-13
 Abstract: The basic design of a reliable and robust glow discharge cleaning (GDC) system for Wendelstein 7-X is presented. Preliminary experiments at the DEMO cryostat, a full size prototype sector of W7-X, result in conclusions about the operating range, power consumption and discharge stability of a GDC in W7-X dimensions. Ten electrodes are planned to be integrated into the first wall of W7-X, thus avoiding complex manipulators. A spherical calotte anode made of graphite mounted in a shielding trough was found as the optimum electrode design assuring stable discharge operation without active cooling, even when exposed to steady state stellarator discharges.

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Language(s): eng - English
 Dates: 2003
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Degree: -

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Title: Fusion Engineering and Design
  Alternative Title : Fusion Eng. and Design
Source Genre: Journal
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Publ. Info: Copyright © 2003 Elsevier B.V. All rights reserved.
Pages: - Volume / Issue: 66-68 Sequence Number: - Start / End Page: 371 - 375 Identifier: -