X-Point-Position-Dependent Intrinsic Toroidal Rotation in the Edge of the TCV Tokamak

TCV team

doi:10.1103/PhysRevLett.114.245001

X-Point-Position-Dependent Intrinsic Toroidal Rotation in the Edge of the TCV Tokamak

TCV team

PPPL Theory

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

24 Scopus citations

Abstract

Edge intrinsic rotation was investigated in Ohmic L-mode discharges on the Tokamak à Configuration Variable, scanning the major radial position of the X point, R_X. Edge rotation decreased linearly with increasing R_X, vanishing or becoming countercurrent for an outboard X point, in agreement with theoretical expectations. The core rotation profile shifted fairly rigidly with the edge rotation, changing the central rotation speed by more than a factor of two. Core rotation reversals had little effect on the edge rotation velocity. Edge rotation was modestly more countercurrent in unfavorable than favorable ∇B shots.

Original language	English (US)
Article number	245001
Journal	Physical review letters
Volume	114
Issue number	24
DOIs	https://doi.org/10.1103/PhysRevLett.114.245001
State	Published - Jun 17 2015

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1103/PhysRevLett.114.245001

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@article{7246b08bec994c2aa5a030b8f68c7e92,

title = "X-Point-Position-Dependent Intrinsic Toroidal Rotation in the Edge of the TCV Tokamak",

abstract = "Edge intrinsic rotation was investigated in Ohmic L-mode discharges on the Tokamak {\`a} Configuration Variable, scanning the major radial position of the X point, RX. Edge rotation decreased linearly with increasing RX, vanishing or becoming countercurrent for an outboard X point, in agreement with theoretical expectations. The core rotation profile shifted fairly rigidly with the edge rotation, changing the central rotation speed by more than a factor of two. Core rotation reversals had little effect on the edge rotation velocity. Edge rotation was modestly more countercurrent in unfavorable than favorable ∇B shots.",

author = "\{TCV team\} and T. Stoltzfus-Dueck and Karpushov, \{A. N.\} and O. Sauter and Duval, \{B. P.\} and B. Labit and H. Reimerdes and Vijvers, \{W. A.J.\} and Y. Camenen",

note = "Publisher Copyright: {\textcopyright} 2015 American Physical Society.",

year = "2015",

month = jun,

day = "17",

doi = "10.1103/PhysRevLett.114.245001",

language = "English (US)",

volume = "114",

journal = "Physical review letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "24",

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T1 - X-Point-Position-Dependent Intrinsic Toroidal Rotation in the Edge of the TCV Tokamak

AU - TCV team

AU - Stoltzfus-Dueck, T.

AU - Karpushov, A. N.

AU - Sauter, O.

AU - Duval, B. P.

AU - Labit, B.

AU - Reimerdes, H.

AU - Vijvers, W. A.J.

AU - Camenen, Y.

PY - 2015/6/17

Y1 - 2015/6/17

N2 - Edge intrinsic rotation was investigated in Ohmic L-mode discharges on the Tokamak à Configuration Variable, scanning the major radial position of the X point, RX. Edge rotation decreased linearly with increasing RX, vanishing or becoming countercurrent for an outboard X point, in agreement with theoretical expectations. The core rotation profile shifted fairly rigidly with the edge rotation, changing the central rotation speed by more than a factor of two. Core rotation reversals had little effect on the edge rotation velocity. Edge rotation was modestly more countercurrent in unfavorable than favorable ∇B shots.

AB - Edge intrinsic rotation was investigated in Ohmic L-mode discharges on the Tokamak à Configuration Variable, scanning the major radial position of the X point, RX. Edge rotation decreased linearly with increasing RX, vanishing or becoming countercurrent for an outboard X point, in agreement with theoretical expectations. The core rotation profile shifted fairly rigidly with the edge rotation, changing the central rotation speed by more than a factor of two. Core rotation reversals had little effect on the edge rotation velocity. Edge rotation was modestly more countercurrent in unfavorable than favorable ∇B shots.

UR - https://www.scopus.com/pages/publications/84934311772

UR - https://www.scopus.com/pages/publications/84934311772#tab=citedBy

U2 - 10.1103/PhysRevLett.114.245001

DO - 10.1103/PhysRevLett.114.245001

M3 - Article

C2 - 26196980

AN - SCOPUS:84934311772

SN - 0031-9007

VL - 114

JO - Physical review letters

JF - Physical review letters

IS - 24

M1 - 245001

ER -

X-Point-Position-Dependent Intrinsic Toroidal Rotation in the Edge of the TCV Tokamak

Abstract

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