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  Impurity transport in ASDEX Upgrade

Dux, R. (2003). Impurity transport in ASDEX Upgrade. Special Issue on ASDEX Upgrade, 708-715.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0027-309A-4 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0027-309B-2
Genre: Journal Article

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 Creators:
Dux, R.1, Author              
Affiliations:
1Experimental Plasma Physics 4 (E4), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856293              

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 Abstract: In the core of a burning fusion plasma, the contamination by impurities has to be kept below a critical level. Understanding and control of impurity transport and accumulation are thus an essential issue. Impurity injection experiments have been performed to determine the impurity transport coefficients in the core and in the steep gradient region of H-mode plasmas. The measurements in the edge were edge-localized-mode resolved, and in the center, sawtooth-resolved transport coefficients were obtained for several species covering a wide range of ion charges. Comparison of the experimental values with impurity transport simulations revealed the contribution of anomalous and neoclassical transport in the different parts of the plasma. Discharge scenarios, which show impurity accumulation, were identified and control schemes were demonstrated.

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Language(s): eng - English
 Dates: 2003
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 59767
 Degree: -

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Title: Special Issue on ASDEX Upgrade
Source Genre: Issue
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Publ. Info: -
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 708 - 715 Identifier: -

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Title: Fusion Science and Technology
  Alternative Title : Fusion Sci. Technol.
Source Genre: Journal
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Pages: - Volume / Issue: 44 (3) Sequence Number: - Start / End Page: - Identifier: ISSN: 1536-1055