journal article·2013-07Open access

Overview on plasma operation with a full tungsten wall in ASDEX Upgrade

R. Neu, A. Kallenbach, M. Balden, V. Bobkov, J.W. Coenen, R. Drube, R. Dux, H. Greuner, A. Herrmann, J. Hobirk, H. Höhnle, K. Krieger, M. Kočan, P. Lang, T. Lunt, H. Maier, M. Mayer, H.W. Müller, S. Potzel, T. Pütterich, J. Rapp, V. Rohde, F. Ryter, P.A. Schneider, J. Schweinzer, M. Sertoli, J. Stober, W. Suttrop, K. Sugiyama, G. van Rooij, M. Wischmeier

Abstract

Operation with all tungsten plasma facing components has become routine in ASDEX Up- grade. The conditioning of the device is strongly simplified and short glow discharges are used only on a daily basis. The long term fuel retention was reduced by more than a factor of 5 as demonstrated in gas balance as well as in post mortem analyses. Injecting nitrogen
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Research context

OpenAlex topics: Fusion materials and technologies · Magnetic confinement fusion research · Nuclear Materials and Properties

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