Repository logo

Infoscience

  • English
  • French
Log In
Logo EPFL, École polytechnique fédérale de Lausanne

Infoscience

  • English
  • French
Log In
  1. Home
  2. Academic and Research Output
  3. Journal articles
  4. X-point Position Dependence of Edge Intrinsic Toroidal Rotation on TCV
 
research article

X-point Position Dependence of Edge Intrinsic Toroidal Rotation on TCV

Stoltzfus-Dueck, Timothy
•
Karpushov, Alexander
•
Sauter, Olivier
Show more
2015
Physics of Plasmas

Recent theoretical work predicts intrinsic toroidal rotation in the tokamak edge to depend strongly on the normalized major radial position of the X-point. With this motivation, we conducted a series of Ohmic L-mode shots on the Tokamak a Configuration Variable, moving the X-point from the inboard to the outboard edge of the last closed flux surface in both lower and upper single null configurations. The edge toroidal rotation evolved from strongly co-current for an inboard X-point to either vanishing or counter-current for an outboard X-point, in agreement with the theoretical expectations. The whole rotation profile shifted roughly rigidly with the edge rotation, resulting in variation of the peak core rotation by more than a factor of two. Core rotation reversals had little effect on the edge rotation. Edge rotation was slightly more counter-current for unfavorable than favorable gradB drift discharges.

  • Details
  • Metrics
Type
research article
DOI
10.1063/1.4921158
Web of Science ID

WOS:000355794300125

Author(s)
Stoltzfus-Dueck, Timothy
Karpushov, Alexander
Sauter, Olivier
Duval, Basil  
Labit, Benoît  
Reimerdes, Holger
Vijvers, Wouter
Date Issued

2015

Publisher

American Institute of Physics

Published in
Physics of Plasmas
Volume

22

Issue

5

Article Number

056118

URL

URL

https://crpplocal.epfl.ch/pinboard/jpapers/1501605.pdf
Editorial or Peer reviewed

REVIEWED

Written at

OTHER

EPFL units
CRPP  
SPC  
Available on Infoscience
June 15, 2015
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/115105
Logo EPFL, École polytechnique fédérale de Lausanne
  • Contact
  • infoscience@epfl.ch

  • Follow us on Facebook
  • Follow us on Instagram
  • Follow us on LinkedIn
  • Follow us on X
  • Follow us on Youtube
AccessibilityLegal noticePrivacy policyCookie settingsEnd User AgreementGet helpFeedback

Infoscience is a service managed and provided by the Library and IT Services of EPFL. © EPFL, tous droits réservés