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  ELM energy and particle losses and their extrapolation to burning plasma experiments

Loarte, A., Saibene, G., Sartori, R., Becoulet, M., Horton, L., Eich, T., et al. (2003). ELM energy and particle losses and their extrapolation to burning plasma experiments. Journal of Nuclear Materials, 313-316, 962-966. doi:10.1016/S0022-3115(02)01398-3.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0027-2341-9 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0028-FE6B-9
Genre: Journal Article

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 Creators:
Loarte, A.1, Author
Saibene, G.1, Author
Sartori, R.1, Author
Becoulet, M.1, Author
Horton, L.2, Author              
Eich, T.2, Author              
Herrmann, A.2, Author              
Laux, M.3, Author              
Matthews, G.1, Author
Jachmich, S.1, Author
Asakura, N.1, Author
Chankin, A.4, Author              
Leonard, A.1, Author
Porter, G.1, Author
Federici, G.1, Author
Shimada, M.1, Author
Sugihara, M.5, Author              
Janeschitz, G.6, Author              
Affiliations:
1European Fusion Development Agreement (EFDA)-CSU Garching, Max-Planck-Institut für Plasmaphysik, Boltzmannstrasse 2, D-85748, Garching, München, Germany; Association Euratom-CEA, DRFC, CEA Cadarache, F-13108, St. Paul lez Durance, France; EURATOM/UKAEA Fusion Association, Culham, Abingdon, Oxon. OX14 3DB, UK; Ecole Royale Militaire, Association Euratom-Belgian State, B-1000, Brussels, Belgium; Japan Atomic Energy Research Institute, Naka-machi, Naka-gun, Ibaraki-ken, 311-01, Japan; General Atomics, P.O. Box 85608, San Diego, CA 92186-5608, USA; Lawrence Livermore National Laboratory, P.O. Box 808, Livermore, CA 94551-9900, USA; ITER-IT, Garching Working Site, Max-Planck-Institut für Plasmaphysik, D-85748, Garching, Germany; ITER-IT, Naka Working Site, JAERI, Naka-machi, Naka-gun, Ibaraki-ken, 311-01, Japan; Forschungszentrum Karlsruhe, D-76021, Karlsruhe, Germany, ou_persistent22              
2Experimental Plasma Physics 1 (E1), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856295              
3W7-X: Physics (PH), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856305              
4Tokamak Theory (TOK), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856309              
5Experimental Plasma Physics 2 (E2), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856292              
6External Organizations, ou_persistent22              

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Free keywords: 15th International Conference on Plasma Surface Interactions in Controlled Fusion Devices (PSI 15), Gifu, 2002-05-26 to 2002-05-31
 Abstract: Analysis of Type I ELMs from present experiments shows that ELM energy losses decrease with increasing pedestal plasma collisionality (ν*ped) and/or increasing τFront, where (τFront=2πRq₉₅/cs,ped) is the typical ion transport time from the pedestal to the divertor target. ν*ped and τFront are not the only parameters that affect the ELMs, also the edge magnetic shear influences the plasma volume affected by the ELMs. ELM particle losses are influenced by this ELM affected volume and are weakly dependent on other pedestal plasma parameters. `Minimum' Type I ELMs, with energy losses acceptable for ITER, where there is no change in the plasma temperature profile during the ELM, are observed for some conditions in JET and DIII-D. The duration of the divertor ELM power pulse is well correlated with τFront and not with the duration of the ELM-associated MHD activity. Similarly, the time scale of ELM particle fluxes is also determined by τFront. The extrapolation of present experimental results to ITER is summarised.

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Language(s): eng - English
 Dates: 2003
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Degree: -

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Title: Journal of Nuclear Materials
  Alternative Title : J. Nucl. Mater.
Source Genre: Journal
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Publ. Info: Copyright © 2003 A. Loarte
Pages: - Volume / Issue: 313-316 Sequence Number: - Start / End Page: 962 - 966 Identifier: -