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

M. van Berkel, H. J. Zwart, G.M.D. Hogeweij, M.R. de Baar

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    2 Citations (Scopus)

    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
    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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