Bulletin of the American Physical Society
60th Annual Meeting of the APS Division of Plasma Physics
Volume 63, Number 11
Monday–Friday, November 5–9, 2018; Portland, Oregon
Session PP11: Poster Session VI: Relativistic Laser Plasma Interaction and Beam Physics; Boundary; MHD and Stability, Transients; FRC; Dusty Plasmas; Basic Studies; Computational and Diagnostic Methods (2:00pm-5:00pm)
Wednesday, November 7, 2018
OCC
Room: Exhibit Hall A1&A
Abstract ID: BAPS.2018.DPP.PP11.37
Abstract: PP11.00037 : Reduced domain studies of divertor-localized modes in spherical tokamaks*
Presenter:
Derek Baver
(Lodestar Res Corp)
Authors:
Derek Baver
(Lodestar Res Corp)
James Myra
(Lodestar Res Corp)
Filippo Scotti
(Lawrence Livermore Natl Lab)
Stewart J Zweben
(Princeton Plasma Phys Lab)
Fulvio Militello
(Culham Centre for Fusion Energy)
Instabilities in the divertor legs of spherical tokamaks are of interest for a number of reasons, such as determining the width of the plasma at the divertor plate. However, such instabilities are challenging to model due to high levels of magnetic shear in this region. This in turn results in instabilities with fine structures requiring high resolution to model accurately. One solution to this problem is to construct grids localized to the region of interest. By modeling such domains using the ArbiTER eigenvalue code, we can determine the structure and mechanism of these instabilities.
*Work supported by the U.S. Department of Energy Office of Science, Office of Fusion Energy Sciences, under Award Number DE-FG02-02ER54678.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.DPP.PP11.37
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