System level design of the ITER equatorial visible/infrared wide angle viewing system

The equatorial visible/infrared Wide Angle Viewing System (WAVS) is one of the ITER key diagnostics for machine protection. It has to monitor the Plasma Facing Components (PFCs) by infrared thermography and visible imaging. Foreseen to be installed in 4 equatorial port plugs to maximize the coverage...

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Bibliographic Details
Published in:Fusion engineering and design 2017-11, Vol.123, p.650-653
Main Authors: Letellier, Laurent, Guillon, Christophe, Ferlet, Marc, Aumeunier, Marie-Hélène, Loarer, Thierry, Gauthier, Eric, Balme, Stéphane, Cantone, Bruno, Delchambre, Elise, Elbèze, Didier, Larroque, Sébastien, Labassé, Florence, Blanchet, David, Peneliau, Yannick, Rios, Luis, Mota, Fernando, Hidalgo, Carlos, Manzanares, Ana, Martin, Vincent, Guern, Frédéric Le, Reichle, Roger, Kocan, Martin
Format: Article
Language:English
Subjects:
Antennas
Consortia
Diagnostic
Diagnostic systems
Equatorial port
Heating
Infrared
Infrared imaging
ITER
Measuring instruments
Nuclear reactors
Plasma etching
Plugs
Residential energy
Studies
Thermal imaging
Thermography
Viewing
Visible
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Summary:The equatorial visible/infrared Wide Angle Viewing System (WAVS) is one of the ITER key diagnostics for machine protection. It has to monitor the Plasma Facing Components (PFCs) by infrared thermography and visible imaging. Foreseen to be installed in 4 equatorial port plugs to maximize the coverage of divertor, first wall, heating antennas and upper strike zone, the WAVS is composed of 15 lines of sight and 15 optical systems transferring the light along several meters from the PFCs through the port plug and interspace up to the detectors located in the port cell. After a conceptual design phase led by ITER Organization, the design is being further developed through a Framework Partnership Agreement signed between the European Domestic Agency, Fusion for Energy, and a consortium gathering CEA, CIEMAT (with INTA as third party) and Bertin Technologies company. First the WAVS measurement specifications are presented. Secondly the description of the current design is given both for the in-vessel system and for the ex-vessel one. The on-going neutronic studies are depicted as well as the cameras and data acquisition system foreseen for the back-end of the diagnostic.
ISSN:0920-3796
1873-7196
DOI:10.1016/j.fusengdes.2017.06.005