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Gyrokinetic simulations of impurity, He ash and alpha particle transport and consequences on ITER transport modelling
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Angioni, C., Peeters, A. G., Pereverzev, G. V., Bottino, A., Candy, J., Dux, R., Fable, E., Hein, T. and Waltz, R. E. (2009) Gyrokinetic simulations of impurity, He ash and alpha particle transport and consequences on ITER transport modelling. Nuclear Fusion, Vol.49 (No.5). Article: 055013. doi:10.1088/0029-5515/49/5/055013 ISSN 0029-5515.
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Official URL: http://dx.doi.org/10.1088/0029-5515/49/5/055013
Abstract
The transport of light and heavy impurities, as well as of energetic a particles, produced by the background electrostatic plasma turbulence is investigated by means of linear and nonlinear simulations with three gyrokinetic codes, GS2, GYRO and the recently developed GKW. The basic transport mechanisms of impurities and energetic alpha particles are elucidated, in combination with a simple analytical derivation. The relevance of these theoretical results in the transport modelling of the ITER standard scenario is assessed by means of ASTRA simulations, in which the transport of minority species like alpha particles and He ash is described by means of formulae which fit the gyrokinetic results.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
Journal or Publication Title: | Nuclear Fusion | ||||
Publisher: | Institute of Physics Publishing Ltd. | ||||
ISSN: | 0029-5515 | ||||
Official Date: | May 2009 | ||||
Dates: |
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Volume: | Vol.49 | ||||
Number: | No.5 | ||||
Number of Pages: | 10 | ||||
Page Range: | Article: 055013 | ||||
DOI: | 10.1088/0029-5515/49/5/055013 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
Data sourced from Thomson Reuters' Web of Knowledge
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