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  • Analysis of ion orbits in front of a negative planar electrode immersed in an oblique magnetic field [Elektronski vir]
    Gyergyek, Tomaž ...
    The orbital motion approach is used to analyze the ion impact on a negatively biased planar wall immersed in a strongly magnetized plasma. It is assumed that the given homogeneous magnetic field ... forms a small angle with a planar negatively biased electrode, while the inhomogeneous electric field is perpendicular to the electrode. Spatial dependence of the electric field is modeled in such a way that the electric field exhibits two-scale behavior, which is characteristic of plasma sheath problems. The equation of motion of a singly charged deuterium ion is solved for a large variety of parameters and initial conditions. The effects of electrode bias, magnetic flux density, magnetic field angle, initial velocity, electric field scaling, and electrode bias are investigated. It is found that the impact angles of ions are distributed over a surprisingly wide range, and in a vast majority of cases, the angle of impact is several times larger than the magnetic field angle. The study is relevant for the analysis of ion flow to the electrodes in fusion plasmas, i.e., divertors of tokamaks.
    Vir: AIP advances [Elektronski vir]. - ISSN 2158-3226 (Vol. 12, iss. 12, [article no.] 125211, Dec. 2022, 18. str.)
    Vrsta gradiva - e-članek ; neleposlovje za odrasle
    Leto - 2022
    Jezik - angleški
    COBISS.SI-ID - 132962051

    Povezava(-e):

    https://aip.scitation.org/doi/full/10.1063/5.0131511
    Repozitorij Univerze v Ljubljani – RUL
    DOI

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