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          Institute: MPI für Plasmaphysik     Collection: Conference Papers     Display Documents



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ID: 112280.0, MPI für Plasmaphysik / Conference Papers
Studies of ELM Heat Load, SOL Flow and Carbon Erosion from Existing Tokamak Experiments, and their Predictions to ITER
Authors:Asakura, N.; Loarte, A.; Porter, G.; Philipps, V.; Lipschultz, B.; Kallenbach, A.; Matthews, G.; Federici, G.; Kukushkin, A.; Mahdavi, A.; Leonard, A. W.; Whyte, D.; Itami, K.; Takenaga, H.; Chankin, A. V.; Higashijima, S.; Nakano, T.; Herrmann, A.; Eich, T.; LaBombard, B.
Language:English
Publisher:International Atomic Energy Agency
Place of Publication:Vienna
Date of Publication (YYYY-MM-DD):2003
Title of Proceedings:Fusion Energy 2002
Sequence Number:CT/P-01
Physical Description:CD-ROM
Name of Conference/Meeting:19th Fusion Energy Conference
Place of Conference/Meeting:Lyon (FR)
(Start) Date of Conference/Meeting
 (YYYY-MM-DD):
2002-10-14
End Date of Conference/Meeting 
 (YYYY-MM-DD):
2002-10-19
Review Status:Internal review
Audience:Experts Only
Abstract / Description:Three important physics issues for the ITER divertor design and operation are summarized based on the experimental and numerical work from multi-machine database (JET, JT-60U, ASDEX Upgrade, DIII-D, Alcator C-Mod and TEXTOR). (i) The energy load associated with Type-I ELMs is of great concern for the lifetime of the ITER divertor target. In order to understand the physics base of the scaling models[1], the ELM heat and particle transport from the edge pedestal to the divertor is investigated. Convective transport during ELMs plays an important role in heat transport to the divertor. (ii) Determination of the SOL flow pattern and the driving mechanism has progressed experimentally and numerically. Influences of the drift effects on the SOL and divertor plasma transport were discussed. (iii) Carbon erosion and redeposition are of great importance in particular for tritium retention via codeposition.
Characteristics of chemical yield at two different deposited carbon surfaces, i.e. erosion- and redeposition-dominated areas, have been studied. Progress in the understanding of the chemical erosion is reviewed.
External Publication Status:published
Document Type:Conference-Paper
Communicated by:N. N.
Affiliations:MPI für Plasmaphysik/E4
External Affiliations:Japan Atomic Energy Research Institute, Naka-machi, Naka-gun, Ibaraki, Japan; EFDA CSU, Max-Planck-Institut für Plasmaphysik, Garching bei München, Germany; Lawrence Livermore National Laboratory, Livermore, USA; Forschungszentrum Jülich, IPP, EURATOM-Association, Jülich, Germany; MIT Plasma Science and Fusion Center, Cambridge, USA; Joint European Torus, Abingdon, Oxon, United Kingdom; ITER International Team, Max-Planck-Institut für Plasmaphysik, Garching bei München, Germany; General Atomics, San Diego, USA; University of California at San Diego, San Diego, USA
Identifiers:URL:http://www.iaea.org/programmes/ripc/physics/fec200...
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