Falchetto, G. L., Scott, B. D., Angelino, P., Bottino, A. (Alessandro), Dannert, T., Grandgirard, V., Janhunen, S., Jenko, F., Jolliet, S., Kendl, A., McMillan, B. F., Naulin, V. (Volker), Nielsen, A. H., Ottaviani, Maurizio, Peeters, A. G., Pueschel, M. J., Reiser, D., Ribeiro, T. T. and Romanelli, M. (Michele) (2008) The European turbulence code benchmarking effort : turbulence driven by thermal gradients in magnetically confined plasmas. In: 35th European Physical Society Conference on Plasma Physics, Hersonissos, Greece, Jun 09-13, 2008. Published in: Plasma Physics and Controlled Fusion, Vol.50 (No.12).

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Abstract

A cross-comparison and verification of state-of-the-art European codes describing gradient-driven plasma turbulence in the core and edge regions of tokamaks, carried out within the EFDA Task Force on Integrated Tokamak Modelling, is presented. In the case of core ion temperature gradient (ITG) driven turbulence with adiabatic electrons ( neglecting trapped particles), good/reasonable agreement is found between various gyrokinetic/gyrofluid codes. The main physical reasons for some deviations observed in nonlocal simulations are discussed. The edge simulations agree very well on collisionality scaling and acceptably well on beta scaling ( below the MHD boundary) for cold-ion cases, also in terms of the non-linear mode structure.

Item Type:	Conference Item (Paper)
Subjects:	Q Science > QC Physics
Divisions:	Faculty of Science > Physics
Library of Congress Subject Headings (LCSH):	Turbulence, Plasma (Ionized gases), Plasma turbulence, Tokamaks, Plasma heating
Journal or Publication Title:	Plasma Physics and Controlled Fusion
Publisher:	Institute of Physics Publishing Ltd.
ISSN:	0741-3335
Date:	December 2008
Volume:	Vol.50
Number:	No.12
Number of Pages:	12
Identification Number:	10.1088/0741-3335/50/12/124015
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access
Funder:	European Fusion Development Agreement (EFDA), European Commission (EC)
Conference Paper Type:	Paper
Title of Event:	35th European Physical Society Conference on Plasma Physics
Type of Event:	Conference
Location of Event:	Hersonissos, Greece
Date(s) of Event:	Jun 09-13, 2008
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URI:	http://wrap.warwick.ac.uk/id/eprint/28996

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