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A kinetic theory of ion collection by probe in flowing unmagnetized plasma (1991)

Chung, Kyu-Sun

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 69 (1991), S. 3451-3454

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ISSN: 1089-7550

Source: AIP Digital Archive

Topics: Physics

Notes: A one-dimensional kinetic model is developed for the flow of ions to a probe whose characteristic size is smaller than the ion gyroradius in drifting plasmas. Numerical solutions of the self-consistent plasma-sheath equations have been obtained for arbitrary external temperature and parallel plasma flow velocity. The ion current to the probe is obtained and the ratio of the upstream to downstream current is represented by the form R=exp[KUd], where Ud is the drift velocity in units of (Te/mi)0.5 and K is constant depending on the type of source in the sheath-transition region. Comparisons with other models are made.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.348529

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