Evolution of Externally Excited Convective Cells in Plasmas

H. Sugai, Jens Juul Rasmussen, K. Thomsen, Hans Pécseli

    Research output: Contribution to journalJournal articleResearchpeer-review


    Convective cells are excited externally in a fully ionized magnetized plasma, and their space-time evolution is investigated by two-dimensional potential measurements. A positive cell is excited externally in the `scrape-off' layer of a plasma column produced by surface ionization. Its interaction with the main plasma produces a new cell with negative polarity. The two cells propagate close to each other and interact only through a mutual perturbation of orbits.
    Original languageEnglish
    JournalPhysics of Fluids
    Issue number6
    Pages (from-to)1388-1390
    Publication statusPublished - 1983


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