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  4. Shape dependence of sawtooth inversion radii and profile peaking factors in TCV L mode plasmas
 
research article

Shape dependence of sawtooth inversion radii and profile peaking factors in TCV L mode plasmas

Weisen, H.  
•
Furno, I.  
•
Alberti, S.  
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2002
Nuclear Fusion

Sawtooth inversion radii and profile peaking factors of a large variety of ohmic and ECH heated L mode plasmas, including, elongations up to 2.6 and triangularities between -0.5 and 0.75, have been investigated in the TCV tokamak. In ohmic plasmas, normalized inversion radii and electron temperature profile peaking factors (corrected for sawtoothing effects) depend solely on the parameter (j)/q(0)j(0), irrespective of plasma shape. With ECH this parameter remains the main scaling parameter. Density profiles are well described as functions of poloidal flux, in agreement with turbulent equipartition theories. Parameter conversions are also provided that allow the observed scalings to be expressed using the conventional scaling variables q(95), delta(95) and kappa(95).

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Type
research article
DOI
10.1088/0029-5515/42/2/303
Web of Science ID

WOS:000175213900003

Author(s)
Weisen, H.  
Furno, I.  
Alberti, S.  
Angioni, C.  
Appert, K.  
Behn, R.  
Blanchard, P.  
Bosshard, P.  
Coda, S.  
Condrea, I.  
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Date Issued

2002

Publisher

IOP Publishing Ltd

Published in
Nuclear Fusion
Volume

42

Issue

2

Start page

136

End page

142

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
CRPP  
SPC  
Available on Infoscience
April 16, 2008
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/21794
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