Gyrokinetic continuum simulations of plasma turbulence in the Texas Helimak

Bernard, T. N.; Shi, E. L.; Gentle, K. W.; Hakim, A.; Hammett, G. W.; Stoltzfus-Dueck, T.; Taylor, E. I.

doi:10.1063/1.5085457

Title: Gyrokinetic continuum simulations of plasma turbulence in the Texas Helimak

Journal Article · Thu Apr 11 00:00:00 EDT 2019 · Physics of Plasmas

DOI:https://doi.org/10.1063/1.5085457· OSTI ID:1510307

Bernard, T. N. ^[1];

^[2]; Gentle, K. W. ^[1]; Hakim, A. ^[3];

^[3];

^[3]; Taylor, E. I. ^[1]

Univ. of Texas at Austin, Austin, TX (United States)
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Princeton Univ., Princeton, NJ (United States)
Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States)

The first gyrokinetic simulations of plasma turbulence in the Texas Helimak device, a simple magnetized torus, are presented. Here, the device has features similar to the scrape-off layer region of tokamaks, such as bad-curvature-driven instabilities and sheath boundary conditions on the end plates, which are included in these simulations. Comparisons between simulations and measurements from the experiment show not only similarities, including equilibrium profiles and fluctuation amplitudes that approach experimental values, but also some important quantitative differences. Both experimental and simulation results exhibit turbulence statistics that are characteristic of blob transport.

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Research Organization:: Princeton Plasma Physics Laboratory (PPPL), Princeton, NJ (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: ACI-1548562; AC02-09CH11466; FG02-04ER-54742; SC0014664

OSTI ID:: 1510307

Alternate ID(s):: OSTI ID: 1506556

Journal Information:: Physics of Plasmas, Vol. 26, Issue 4; ISSN 1070-664X

Publisher:: American Institute of Physics (AIP)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 13 works

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Electromagnetic full-$f$ gyrokinetics in the tokamak edge with discontinuous Galerkin methods Mandell, N. R.; Hakim, A.; Hammett, G. W. arXiv https://doi.org/10.48550/arxiv.1908.05653	text	January 2019

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