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  Theory-based modelling of ASDEX Upgrade discharges with ECH modulation

Tardini, G., Peeters, A. G., Pereverzev, G. V., Ryter, F., & ASDEX Upgrade Team (2002). Theory-based modelling of ASDEX Upgrade discharges with ECH modulation. Nuclear Fusion, 42(7), L11-L14.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0027-40EB-B Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0027-40EC-9
Genre: Journal Article

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 Creators:
Tardini, G.1, Author              
Peeters, A. G.1, Author              
Pereverzev, G. V.2, Author              
Ryter, F.3, Author              
ASDEX Upgrade Team, Author
Affiliations:
1Tokamak Theory (TOK), Max Planck Institute for Plasma Physics, Max Planck Society
2Tokamak Theory (TOK), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856309              
3Tokamak Edge and Divertor Physics (E2), Max Planck Institute for Plasma Physics, Max Planck Society, ou_1856308              

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 Abstract: Electron Cyclotron Heating (ECH) discharges of the tokamak ASDEX Upgrade, exhibiting T-e profile resilience, are used to test the Weiland model in the case of dominant electron heating. Electron heat transport is investigated also transiently, with heat pulse propagation induced by ECH power modulation. The Weiland model, dominated by the Trapped Electron Mode physics in this parameter range, predicts the experimental T-e well, both the time averaged profile as well as the amplitude and phase of the T-e perturbation. Interestingly, in the confinement region the experimental delT(e)/T-e is up to three times larger than the critical threshold predicted by the model.

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Language(s): eng - English
 Dates: 2002-07
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: eDoc: 23680
ISI: 000177712700001
 Degree: -

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Title: Nuclear Fusion
  Alternative Title : Nucl. Fusion
Source Genre: Journal
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Publ. Info: -
Pages: - Volume / Issue: 42 (7) Sequence Number: - Start / End Page: L11 - L14 Identifier: ISSN: 0029-5515