Stellarators Resist Turbulent Transport on the Electron Larmor Scale

G. G. Plunk; P. Xanthopoulos; G. M. Weir; S. A. Bozhenkov; A. Dinklage; G. Fuchert; J. Geiger; M. Hirsch; U. Hoefel; M. Jakubowski; A. Langenberg; N. Pablant; E. Pasch; T. Stange; D. Zhang

doi:10.1103/PhysRevLett.122.035002

Stellarators Resist Turbulent Transport on the Electron Larmor Scale

G. G. Plunk, P. Xanthopoulos, G. M. Weir, S. A. Bozhenkov, A. Dinklage, G. Fuchert, J. Geiger, M. Hirsch, U. Hoefel, M. Jakubowski, A. Langenberg, N. Pablant, E. Pasch, T. Stange, D. Zhang

PPPL Advanced Projects

Research output: Contribution to journal › Article › peer-review

28 Scopus citations

Abstract

Electron temperature gradient (ETG)-driven turbulence, despite its ultrafine scale, is thought to drive significant thermal losses in magnetic fusion devices - but what role does it play in stellarators? The first numerical simulations of ETG turbulence for the Wendelstein 7-X stellarator, together with power balance analysis from its initial experimental operation phase, suggest that the associated transport should be negligible compared to other channels. The effect, we argue, originates essentially from the geometric constraint of multiple field periods, a generic feature of stellarators.

Original language	English (US)
Article number	035002
Journal	Physical review letters
Volume	122
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevLett.122.035002
State	Published - Jan 25 2019

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

Access to Document

10.1103/PhysRevLett.122.035002

Cite this

Plunk, G. G., Xanthopoulos, P., Weir, G. M., Bozhenkov, S. A., Dinklage, A., Fuchert, G., Geiger, J., Hirsch, M., Hoefel, U., Jakubowski, M., Langenberg, A., Pablant, N., Pasch, E., Stange, T., & Zhang, D. (2019). Stellarators Resist Turbulent Transport on the Electron Larmor Scale. Physical review letters, 122(3), Article 035002. https://doi.org/10.1103/PhysRevLett.122.035002

@article{f2c9ce4741cb4486b3b18a7f9809beec,

title = "Stellarators Resist Turbulent Transport on the Electron Larmor Scale",

abstract = "Electron temperature gradient (ETG)-driven turbulence, despite its ultrafine scale, is thought to drive significant thermal losses in magnetic fusion devices - but what role does it play in stellarators? The first numerical simulations of ETG turbulence for the Wendelstein 7-X stellarator, together with power balance analysis from its initial experimental operation phase, suggest that the associated transport should be negligible compared to other channels. The effect, we argue, originates essentially from the geometric constraint of multiple field periods, a generic feature of stellarators.",

author = "Plunk, \{G. G.\} and P. Xanthopoulos and Weir, \{G. M.\} and Bozhenkov, \{S. A.\} and A. Dinklage and G. Fuchert and J. Geiger and M. Hirsch and U. Hoefel and M. Jakubowski and A. Langenberg and N. Pablant and E. Pasch and T. Stange and D. Zhang",

note = "Publisher Copyright: {\textcopyright} 2019 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the {"}https://creativecommons.org/licenses/by/4.0/{"} Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.",

year = "2019",

month = jan,

day = "25",

doi = "10.1103/PhysRevLett.122.035002",

language = "English (US)",

volume = "122",

journal = "Physical review letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "3",

}

TY - JOUR

T1 - Stellarators Resist Turbulent Transport on the Electron Larmor Scale

AU - Plunk, G. G.

AU - Xanthopoulos, P.

AU - Weir, G. M.

AU - Bozhenkov, S. A.

AU - Dinklage, A.

AU - Fuchert, G.

AU - Geiger, J.

AU - Hirsch, M.

AU - Hoefel, U.

AU - Jakubowski, M.

AU - Langenberg, A.

AU - Pablant, N.

AU - Pasch, E.

AU - Stange, T.

AU - Zhang, D.

N1 - Publisher Copyright: © 2019 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the "https://creativecommons.org/licenses/by/4.0/" Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.

PY - 2019/1/25

Y1 - 2019/1/25

N2 - Electron temperature gradient (ETG)-driven turbulence, despite its ultrafine scale, is thought to drive significant thermal losses in magnetic fusion devices - but what role does it play in stellarators? The first numerical simulations of ETG turbulence for the Wendelstein 7-X stellarator, together with power balance analysis from its initial experimental operation phase, suggest that the associated transport should be negligible compared to other channels. The effect, we argue, originates essentially from the geometric constraint of multiple field periods, a generic feature of stellarators.

AB - Electron temperature gradient (ETG)-driven turbulence, despite its ultrafine scale, is thought to drive significant thermal losses in magnetic fusion devices - but what role does it play in stellarators? The first numerical simulations of ETG turbulence for the Wendelstein 7-X stellarator, together with power balance analysis from its initial experimental operation phase, suggest that the associated transport should be negligible compared to other channels. The effect, we argue, originates essentially from the geometric constraint of multiple field periods, a generic feature of stellarators.

UR - https://www.scopus.com/pages/publications/85060639040

UR - https://www.scopus.com/inward/citedby.url?scp=85060639040&partnerID=8YFLogxK

U2 - 10.1103/PhysRevLett.122.035002

DO - 10.1103/PhysRevLett.122.035002

M3 - Article

C2 - 30735428

AN - SCOPUS:85060639040

SN - 0031-9007

VL - 122

JO - Physical review letters

JF - Physical review letters

IS - 3

M1 - 035002

ER -

Stellarators Resist Turbulent Transport on the Electron Larmor Scale

Abstract

All Science Journal Classification (ASJC) codes

Access to Document

Other files and links

Fingerprint

Cite this