Technical note on the linearity and power dependence of the diffusion coefficient in W7-AS

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Abstract

Transient electron temperature measurements of a step power experiment at W7-AS are reassessed by direct comparison of the up- and downward responses of the electron temperature. The analysis shows that the response at some distance to the center behaves linearly and the model predicted responses based on a power-dependent diffusion coefficient that vary from the measured step responses.

Original languageEnglish
Article number062001
Pages (from-to)1-4
JournalPlasma Physics and Controlled Fusion
Volume59
Issue number6
DOIs
Publication statusPublished - 3 May 2017

Keywords

  • electron heat transport
  • perturbative experiments
  • power dependence
  • stellarator
  • step response
  • W7-AS

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