Impact of the magnetic field ripple on H-mode performance in JT-60U

A. A.E. Van Blokland, M. Azumi, M. Kikuchi, K. Tani, K. Tobita

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

The influence of the toroidal field tipple on global H-mode performance in JT-60U has been investigated. The ripple size was varied by changing the plasma volume. The ripple losses have been measured by monitoring the local heat load to the first wall and have been simulated by the Orbit Following Monte Carlo code. The global H factors are found to be not very sensitive to the ripple size when the net input power is corrected for the ripple-trapped and banana-drift losses. These results are confirmed by theoretical analysis of the ripple-induced transport coefficients at ρ = 0.9.

Original languageEnglish
Pages (from-to)925-934
Number of pages10
JournalPlasma Physics and Controlled Fusion
Volume36
Issue number5
DOIs
Publication statusPublished - 1994 May
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear Energy and Engineering
  • Condensed Matter Physics

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