Up-Down and In-Out Asymmetry Monitoring Based on Broadband Radiation Detectors

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ID: 270770
2006
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Abstract
Understanding the origin of asymmetries, either in plasma flows reaching the divertor region or in plasma emissivity from the confined volume, is a question of great interest in magnetic confined plasma research. In the TJ-II stellarator, a set of bolometer systems distributed around the vacuum chamber has been installed to monitor up-down and in-out radiation asymmetries that are observed in transitions to different confinement regimes. Although plasma emissivity is a complex magnitude, a comparison of signals from twin detectors placed at selected positions may be of help to distinguish between the different causes of asymmetry. Moreover, this is a nonperturbing method that is especially appropriate when plasma wall clearance is small.
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spain2006fusionup-down Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors M. A. Ochando, F. Medina, B. Zurro, A. Baciero, K. J. McCarthy, M. A. Pedrosa, C. Hidalgo, E. Sánchez, J. Vega, A. B. Portas, L. M. Martínez-Fresno, Hibp group, Ecrh Group, Nbi Group, Tj-Ii Team, M. A. Ochando Laboratorio Nacional De Fusión Euratom-Ciemat Madrid Spain
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Journal fusion science and technology
Year 2006
DOI
10.13182/fst06-a1252
URL
https://sciprofiles.com/publication/view/50c513cc614b843bb37f1e26f11ef36a
Keywords
detectors asymmetries plasma emissivity plasma flows divertor region plasma wall confined volume confinement regimes

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