Energy Confinement in Shaped TCV Plasmas with Electron Cyclotron Heating

Pochelon, Antoine; Coda, Stefano; Goodman, Timothy; Henderson, Mark; Moret, Jean-Marc; Nieswand, Christophe; Pietrzyk, Adam; Reimerdes, Holger; Sauter, Olivier; Angioni, Clemente; Behn, Roland; Furno, Ivo; Hogge, Jean-Philippe; Hofmann, Ferdinand; Joye, Bernard; Kirneva, Natalia; Lister, Jonathan Bryan; Martin, Yves; Pitts, Richard; Porcelli, Franco; Rommers, Jeroen Hubert; Sushkov, Alexei; Tran, Minh Quang; Weisen, Henri; TCV Team

1999

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Abstract

The effects of plasma shape on confinement and sawtooth stability are studied for positive and negative discharge triangularity and for different elongations with 1.5 MW centrally deposited ECH power

Details

Title Energy Confinement in Shaped TCV Plasmas with Electron Cyclotron Heating

Published in ECA, Europhysics Conference Abstracts

Pagination 4

Series ECA, Europhysics Conference Abstracts, Volume 22A

Volume 23J (1999)

Pages 1089

Conference 26th EPS Conf. on Contr. Fusion and Plasma Physics, Maastricht, Netherlands, June 1999

Date 1999

Publisher Mulhouse, France, European Physical Society

Keywords

energy confinement; negative triangularity; shape scans; constant q_eng; ECRH; central heating; constant q_eng; constant sawtooth inversion radius

Note Energy confinement enhancement at negative triangularity. Normalising the density reducies dispersion, thus linear regression fits well all the available data till delta -0.6 in OH, till -0.3 with central ECH. β values are also higher at negative triangularities in both ohmic and ECH cases.

Laboratories SPC
CRPP

Record Appears in Scientific production and competences > SB - School of Basic Sciences > SPC - Swiss Plasma Center > SPC - Swiss Plasma Center
Peer-reviewed publications
Conference Papers
Work produced at EPFL

Record creation date 2019-05-22

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