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  Type-I ELM mode structure observed by divertor thermography in ASDEX Upgrade

Eich, T., Herrmann, A., Neuhauser, J., Günter, S., & ASDEX Upgrade Team (2003). Type-I ELM mode structure observed by divertor thermography in ASDEX Upgrade. In R. Koch, & S. Lebedev (Eds.), 30th EPS Conference on Plasma Physics and Controlled Fusion. Geneva: European Physical Society.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0027-3D63-7 Version Permalink: https://hdl.handle.net/21.11116/0000-0008-4DD4-3
Genre: Conference Paper

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 Creators:
Eich, T.1, Author           
Herrmann, A.1, Author           
Neuhauser, J.2, Author           
Günter, S.3, Author           
ASDEX Upgrade Team4, Author
Affiliations:
1Experimental Plasma Physics 1 (E1), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856295              
2External Organizations, ou_persistent22              
3Tokamak Theory (TOK), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856309              
4Max Planck Society, ou_persistent13              

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 Abstract: In the ASDEX Upgrade tokamak, power deposition structures on the outer divertor target surfaces during type-I Edge Localised Modes (ELMs) have been discovered by infra red thermography. These structures are radially and toroidally separated non-axisymmetric spirals. They are most obvious about 80 mm away from the toroidal symmetric strike zone on the target plates. The spiral structure of the power load is caused by a toroidally structured energy release in the outer midplane during the non-linear phase of a type-I ELM cycle as shown by basic field line tracing. The resulting structures correspond to values around z(m) n ≈ 12 and m ≈ 50 (for q95 ≈ 4).

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Language(s): eng - English
 Dates: 2003
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: Internal
 Identifiers: eDoc: 60675
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Title: 30th European Physical Society Conference on Plasma Physics and Controlled Fusion
Place of Event: St. Petersburg (RU)
Start-/End Date: 2003-07-07 - 2003-07-11

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Title: 30th EPS Conference on Plasma Physics and Controlled Fusion
Source Genre: Proceedings
 Creator(s):
Koch, R., Editor
Lebedev, S., Editor
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Publ. Info: Geneva : European Physical Society
Pages: - Volume / Issue: - Sequence Number: P-1.126 Start / End Page: - Identifier: -

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Title: ECA
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Pages: - Volume / Issue: 27A Sequence Number: P-1.126 Start / End Page: - Identifier: -