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Non-linear MHD simulations of ELMs in JET and quantitative comparisons to experiments
KTH, School of Electrical Engineering (EES), Fusion Plasma Physics.
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2016 (English)In: Plasma Physics and Controlled Fusion, ISSN 0741-3335, E-ISSN 1361-6587, Vol. 58, 014026- p.Article in journal (Refereed) Published
Abstract [en]

A subset of JET ITER-like wall (ILW) discharges, combining electron density and temperature as well as divertor heat flux measurements, has been collected for the validation of non-linear magnetohydrodynamic (MHD) simulations of edge-localised-modes (ELMs). This permits a quantitative comparison of simulation results against experiments, which is required for the validation of predicted ELM energy losses and divertor heat fluxes in future tokamaks like ITER. This paper presents the first results of such a quantitative comparison, and gives a perspective of what will be necessary to achieve full validation of non-linear codes like JOREK. In particular, the present study highlights the importance of pre-ELM equilibria and parallel energy transport models in MHD simulations, which form the underlying basis of ELM physics.

Place, publisher, year, edition, pages
Institute of Physics Publishing (IOPP), 2016. Vol. 58, 014026- p.
National Category
Fusion, Plasma and Space Physics
Identifiers
URN: urn:nbn:se:kth:diva-203320DOI: 10.1088/0741-3335/58/1/014026ISI: 000368471900027OAI: oai:DiVA.org:kth-203320DiVA: diva2:1081999
Note

QC 20170316

Available from: 2017-03-15 Created: 2017-03-15 Last updated: 2017-03-16Bibliographically approved

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