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Progress in rapid tomography for the COMPASS tokamak
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SYSNO ASEP 0350728 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Ostatní články Title Progress in rapid tomography for the COMPASS tokamak Author(s) Mlynář, Jan (UFP-V) RID
Weinzettl, Vladimír (UFP-V) RID, ORCID
Odstrčil, M. (CZ)Source Title Bulletin of the American Physical Society - ISSN 0003-0503
Roč. 55, č. 15 (2010), GP9.0073-GP9.0073Number of pages 1 s. Action Annual Meeting of the APS Division of Plasma Physics/52th./ Event date 08.11.2010-12.11.2010 VEvent location Chicago, Illinois Country US - United States Event type WRD Language eng - English Country US - United States Keywords Tokamak ; tomography Subject RIV BL - Plasma and Gas Discharge Physics R&D Projects GAP205/10/2055 GA ČR - Czech Science Foundation (CSF) GA202/09/1467 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z20430508 - UFP-V (2005-2011) Annotation After its reinstallation in Prague, the COMPASS tokamak has completed its first year of operation. In this period, among others the first set of Soft X-ray, bolometric and visible light profile cameras has been installed and commissioned. Three more sets (under construction) shall be installed at different ports of the same toroidal sector allowing for plasma tomography with a prospective of real-time processing. A dedicated tomography algorithm for the planned setup was developed, including set-up of the contribution matrix and speed optimization. The proposed code is based on robust and validated post-processing tomography algorithm with a potential to ensue and refine a simplified real-time version. The code implements rapid Minimum Fisher Regularization with optional unisotropic smoothing constrained by magnetic flux surfaces. Reconstruction on simulated data provided quantitative evaluation of the tomography performance in the designed diagnostic set-up. Workplace Institute of Plasma Physics Contact Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Year of Publishing 2011
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