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research article

Blob-induced toroidal momentum transport in simple magnetized plasmas

Labit, B.  
•
Theiler, C.  
•
Fasoli, A.  
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2011
Physics of Plasmas

The link between toroidal flows and density blobs is experimentally demonstrated in TORPEX simple magnetized plasmas: momentum is transferred from an ideal-interchange mode to density blobs. The phase shift between the toroidal flow and the density perturbations observed in the interchange mode where the blob is born is conserved along the blob radial trajectory. This leads to dipolar structures of the blob-induced flow or to monopolar perturbations, so large that the toroidal flow gets transiently reversed. The turbulent toroidal momentum flux is dominated either by the nonlinear flux or by the convective part but not by the Reynolds stress component

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Type
research article
DOI
10.1063/1.3559462
Web of Science ID

WOS:000289151900030

Author(s)
Labit, B.  
Theiler, C.  
Fasoli, A.  
Furno, I.  
Ricci, P.  
Date Issued

2011

Publisher

American Institute of Physics (AIP)

Published in
Physics of Plasmas
Volume

18

Issue

3

Article Number

032308

Subjects

blobs

•

toroidal velocity

•

basic plasma physics

•

TORPEX

URL

URL

http://crpplocal.epfl.ch/pinboard/jpapers/1102101.pdf
Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
CRPP  
SPC  
Available on Infoscience
February 4, 2011
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/63894
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