Implementation of multi-component Zhdanov closure in SOLEDGE3X

The multi-component fluid closure derived by Zhdanov (2002 Transport Processes in Multicomponent Plasma (London: Taylor and Francis)) is implemented in the fluid code SOLEDGE3X-EIRENE to deal with arbitrary edge plasma composition. The closure assumes no distinction between species such as light ver...

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Bibliographic Details
Published in:Plasma physics and controlled fusion 2022-05, Vol.64 (5), p.55001
Main Authors: Bufferand, H, Balbin, J, Baschetti, S, Bucalossi, J, Ciraolo, G, Ghendrih, Ph, Mao, R, Rivals, N, Tamain, P, Yang, H, Giorgiani, G, Schwander, F, Scotto d’Abusco, M, Serre, E, Denis, J, Marandet, Y, Raghunathan, M, Innocente, P, Galassi, D
Format: Article
Language:English
Subjects:
collisional closure
edge plasma
impurities
Physics
plasma modeling
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Summary:The multi-component fluid closure derived by Zhdanov (2002 Transport Processes in Multicomponent Plasma (London: Taylor and Francis)) is implemented in the fluid code SOLEDGE3X-EIRENE to deal with arbitrary edge plasma composition. The closure assumes no distinction between species such as light versus heavy species separation. The work of Zhdanov is rewritten in a matricial form in order to clearly link friction forces and heat fluxes to the different species velocities and temperature gradients.
ISSN:0741-3335
1361-6587
DOI:10.1088/1361-6587/ac4fac