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Langmuir probe-based observables for plasma-turbulence code validation and application to the TORPEX basic plasma physics experiment

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Ricci, P., Theiler, C., Fasoli, A., Furno, I., Labit, B., Mueller, S. H., Podesta, M. and Poli, F. M. (Francesca) (2009) Langmuir probe-based observables for plasma-turbulence code validation and application to the TORPEX basic plasma physics experiment. In: 50th Annual Meeting of the Division of Plasma Physics of the American-Physical-Society, Dallas, TX, February 01, 2008. Published in: Physics of Plasmas, Vol.16 (No.5). Article no. 055703. ISSN 1070-664X. doi:10.1063/1.3082698

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Official URL: http://dx.doi.org/10.1063/1.3082698

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Abstract

The methodology for plasma-turbulence code validation is discussed, with focus on the quantities to use for the simulation-experiment comparison, i.e., the validation observables, and application to the TORPEX basic plasma physics experiment [A. Fasoli , Phys. Plasmas 13, 055902 (2006)]. The considered validation observables are deduced from Langmuir probe measurements and are ordered into a primacy hierarchy, according to the number of model assumptions and to the combinations of measurements needed to form each of them. The lowest levels of the primacy hierarchy correspond to observables that require the lowest number of model assumptions and measurement combinations, such as the statistical and spectral properties of the ion saturation current time trace, while at the highest levels, quantities such as particle transport are considered. The comparison of the observables at the lowest levels in the hierarchy is more stringent than at the highest levels. Examples of the use of the proposed observables are applied to a specific TORPEX plasma configuration characterized by interchange-driven turbulence.

Item Type: Conference Item (Paper)
Subjects: Q Science > QC Physics
Divisions: Faculty of Science > Physics
Journal or Publication Title: Physics of Plasmas
Publisher: American Institute of Physics
ISSN: 1070-664X
Official Date: May 2009
Dates:
DateEvent
May 2009Published
Volume: Vol.16
Number: No.5
Number of Pages: 11
Page Range: Article no. 055703
DOI: 10.1063/1.3082698
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
Conference Paper Type: Paper
Title of Event: 50th Annual Meeting of the Division of Plasma Physics of the American-Physical-Society
Type of Event: Conference
Location of Event: Dallas, TX
Date(s) of Event: February 01, 2008

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