Overview of the JET results in support to ITER

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The 2014-2016 JET results are reviewed in the light of their significance for optimising the ITER research plan for the active and non-active operation. More than 60 h of plasma operation with ITER first wall materials successfully took place since its installation in 2011. New multi-machine scaling of the type I-ELM divertor energy flux density to ITER is supported by first principle modelling. ITER relevant disruption experiments and first principle modelling are reported with a set of three disruption mitigation valves mimicking the ITER setup. Insights of the L-H power threshold in Deuterium and Hydrogen are given, stressing the importance of the magnetic configurations and the recent measurements of fine-scale structures in the edge radial electric. Dimensionless scans of the core and pedestal confinement provide new information to elucidate the importance of the first wall material on the fusion performance. H-mode plasmas at ITER triangularity (H = 1 at beta(N) similar to 1.8 and n/n(GW) similar to 0.6) have been sustained at 2 MA during 5 s. The ITER neutronics codes have been validated on high performance experiments. Prospects for the coming D-T campaign and 14 MeV neutron calibration strategy are reviewed.
Publisher
INT ATOMIC ENERGY AGENCY
Issue Date
2017-10
Language
English
Article Type
Article
Keywords

H-MODE PLASMAS; EDGE LOCALIZED MODES; DENSITY PEAKING; DISRUPTION PREDICTION; FACING COMPONENTS; CARBON WALL; OPERATION; ILW; COLLISIONALITY; DIAGNOSTICS

Citation

NUCLEAR FUSION, v.57, no.10

ISSN
0029-5515
DOI
10.1088/1741-4326/aa5e28
URI
http://hdl.handle.net/10203/228619
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