Measurements and ERO simulations of carbon flows in the high-field side main SOL in AUG

T. Makkonen (Corresponding Author), M. Groth, Markus Airila, R. Dux, A. Janzer, T. Kurki-Suonio, T. Lunt, H.W. Mueller, T. Puetterich, E. Viezzer, ASDEX Upgrade Team

    Research output: Contribution to journalArticleScientificpeer-review

    4 Citations (Scopus)


    The plasma flow in the SOL is important for impurity migration. There are few measurements from the HFS main SOL. To study the flow in the HFS SOL of ASDEX Upgrade, methane was injected from a HFS valve. The ensuing carbon emission distribution was followed using a fast video camera and a spectrometer was used to determine the Doppler shift of the injected carbon. This was carried out in lower single null L-mode and H-mode for low and high density plasmas. To elucidate the coupling between the flow of the injected carbon and the actual deuterium flow, ERO simulations were utilized. A strong carbon and deuterium flow towards the lower inner divertor was observed for high density plasmas in the far SOL along with a shear in the flow profile.
    Original languageEnglish
    Pages (from-to)S410-S413
    JournalJournal of Nuclear Materials
    Issue numberSupplement
    Publication statusPublished - 2013
    MoE publication typeA1 Journal article-refereed
    Event20th International Conference on Plasma-Surface Interactions in Controlled Fusion Devices - Aachen, Aachen, Germany
    Duration: 21 May 201225 May 2012


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