Contribution to the theory of non-self-maintaining volume discharges in molecular and noble gases

Александров, В. В.; Glotov, E. P.; Danilychev, V. A.; Koterov, V. N.; Soroka, A. M.

doi:10.1007/bf01122720

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2016

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“…Thomson in [28] developed an analytical model for the NSS discharge in the low-current mode, when self-sustained gas ionization by plasma electrons is weak (see also [29][30][31]). In [32] an analytical theory of the NSS discharge with injected dust particles was developed.…”

Section: Tablementioning

confidence: 99%

A Dusty Plasma in a Non‐Self‐Sustained Gas Discharge at Atmospheric Pressure

Fiippov

Babichev

Paĺ

et al. 2016

Contrib. Plasma Phys.

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A non-self-sustained (NSS) discharge at atmospheric gas pressure containing dust particles is studied. The NSS discharge was controlled by a stationary electron beam with energy up to 120 keV. A numerical model of the NSS discharge is based on the drift-diffusion approach for electrons and ions and self-consistently takes into account effects of the dust particles on the electron and ion densities. The dusty component is described by the number balance equation and the equation of motion for dust particles with allowance for the Stokes force, gravity force and electric force in the cathode sheath. Interaction between dust particles is described in the self-consistent field approximation. It is established that, at a given gas ionization rate and given applied voltage, there is a critical dust particle size above which the levitation condition in the cathode sheath cannot be satisfied.

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