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Diagnostics for studying deposition and erosion processes in JET
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2005 (English)In: Fusion engineering and design, ISSN 0920-3796, Vol. 74, no 1-4, 745-749 p.Article in journal (Refereed) Published
Abstract [en]

Estimates of erosion, deposition and H-isotope retention in JET from previous divertor campaigns have relied on analysis of in-vessel components removed at shutdowns. The components analysed have also provided an incomplete coverage of the vessel. In 2004, new diagnostics are being installed to give a more complete picture (such as smart tiles) and to provide some time resolution. The latter includes further quartz microbalances (QMB), following the successful operation of a prototype in 2002-2004 [H.-G. Esser, G. Neill, P. Coad, G.F. Matthews, D. Jolovic, D. Wilson, M. Freisinger, V. Philipps, Quartz microbalance: a time-resolved diagnostic to measure material deposition in JET, Fusion Eng. Des. 66-68 (2003) 855-860; H.-G. Esser, V. Philipps, M. Freisinger, G.F. Matthews, J.P. Coad, G.F. Neill, JET EFDA Contributors, Effect of plasma configuration on carbon migration measured in the inner divertor of JET using quartz microbalance, J. Nucl. Mater. 337-339 (2005) 84-87], which will also have temperature control. Other diagnostics include rotating collectors and deposition monitors [M. Mayer, V. Rohde, P. Coad, P. Wienhold, ASDEX Upgrade Team, JET EFDA Contributors, Carbon erosion and migration in fusion devices, Phys. Scr. T111 (2004) 55-59]. Units are also being installed to provide information on mirrors for ITER.

Place, publisher, year, edition, pages
Elsevier , 2005. Vol. 74, no 1-4, 745-749 p.
Keyword [en]
Diagnostics, Divertor, Retention, Tokamak, Carbon, Deposition, Erosion, Fusion reactor divertors, Isotopes, Quartz, Tokamak devices, JET, Material deposition, Nuclear reactors
National Category
Fusion, Plasma and Space Physics
URN: urn:nbn:se:kth:diva-26183DOI: 10.1016/j.fusengdes.2005.06.217ISI: 000233886800113ScopusID: 2-s2.0-27844487093OAI: diva2:371628
23rd Symposium on Fusion Technology (SOFT 23)
QC 20101122Available from: 2012-01-17 Created: 2010-11-19 Last updated: 2012-02-22Bibliographically approved

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Rubel, Marek J.
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