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Influence of the spatial distribution of the dust particles density on the radial profiles formation of particles and fluxes in a dusty plasma of DC glow discharge. / Li, Shubo; Bogdanov, Dmitrii V. ; Kudryavtsev, Anatoly A. ; Yuan, Chengxun; Zhou, Zhongxiang.

в: IEEE Transactions on Plasma Science, Том 48, № 2, 18.12.2019, стр. 375-387.

Результаты исследований: Научные публикации в периодических изданияхстатьяРецензирование

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@article{a53aa4c144f14d7597b772f942bd352c,
title = "Influence of the spatial distribution of the dust particles density on the radial profiles formation of particles and fluxes in a dusty plasma of DC glow discharge",
abstract = "In this article, the results of numerical simulation regarding the influence of different dust particles' spatial distributions in the plasma of a positive column (PC) of direct current glow discharge in argon are presented. The effect of homogeneous dust clouds of different radii located on the axis of a gas discharge tube, uniform annular clouds of dust particles, and clouds with inhomogeneous dust density on the formation of the main scenarios of radial distributions of particles and fluxes in the PC plasma was studied for a wide range of dust particle densities. It was found that similar (when all three density profiles of electrons, ions, and charged dust inside the dust cloud are parallel) and nonmonotonic radial distributions of charged particles are formed only when the external region between the boundary of the dust cloud and the wall of the tube is of sufficient size to provide the necessary level of ionization to maintain a fixed discharge current. The possibility of the formation of nonmonotonic charge profiles in the case of increasing and falling nonmonotonic distributions of the dust grains is shown.",
keywords = "Electron tubes, plasmas, discharges (electric), Mathematical model, Ions, Graphical models, Distribution functions",
author = "Shubo Li and Bogdanov, {Dmitrii V.} and Kudryavtsev, {Anatoly A.} and Chengxun Yuan and Zhongxiang Zhou",
year = "2019",
month = dec,
day = "18",
doi = "https://doi.org/10.1109/TPS.2019.2956434",
language = "English",
volume = "48",
pages = "375--387",
journal = "IEEE Transactions on Plasma Science",
issn = "0093-3813",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
number = "2",

}

RIS

TY - JOUR

T1 - Influence of the spatial distribution of the dust particles density on the radial profiles formation of particles and fluxes in a dusty plasma of DC glow discharge

AU - Li, Shubo

AU - Bogdanov, Dmitrii V.

AU - Kudryavtsev, Anatoly A.

AU - Yuan, Chengxun

AU - Zhou, Zhongxiang

PY - 2019/12/18

Y1 - 2019/12/18

N2 - In this article, the results of numerical simulation regarding the influence of different dust particles' spatial distributions in the plasma of a positive column (PC) of direct current glow discharge in argon are presented. The effect of homogeneous dust clouds of different radii located on the axis of a gas discharge tube, uniform annular clouds of dust particles, and clouds with inhomogeneous dust density on the formation of the main scenarios of radial distributions of particles and fluxes in the PC plasma was studied for a wide range of dust particle densities. It was found that similar (when all three density profiles of electrons, ions, and charged dust inside the dust cloud are parallel) and nonmonotonic radial distributions of charged particles are formed only when the external region between the boundary of the dust cloud and the wall of the tube is of sufficient size to provide the necessary level of ionization to maintain a fixed discharge current. The possibility of the formation of nonmonotonic charge profiles in the case of increasing and falling nonmonotonic distributions of the dust grains is shown.

AB - In this article, the results of numerical simulation regarding the influence of different dust particles' spatial distributions in the plasma of a positive column (PC) of direct current glow discharge in argon are presented. The effect of homogeneous dust clouds of different radii located on the axis of a gas discharge tube, uniform annular clouds of dust particles, and clouds with inhomogeneous dust density on the formation of the main scenarios of radial distributions of particles and fluxes in the PC plasma was studied for a wide range of dust particle densities. It was found that similar (when all three density profiles of electrons, ions, and charged dust inside the dust cloud are parallel) and nonmonotonic radial distributions of charged particles are formed only when the external region between the boundary of the dust cloud and the wall of the tube is of sufficient size to provide the necessary level of ionization to maintain a fixed discharge current. The possibility of the formation of nonmonotonic charge profiles in the case of increasing and falling nonmonotonic distributions of the dust grains is shown.

KW - Electron tubes

KW - plasmas

KW - discharges (electric)

KW - Mathematical model

KW - Ions

KW - Graphical models

KW - Distribution functions

UR - https://ieeexplore.ieee.org/document/8936557

U2 - https://doi.org/10.1109/TPS.2019.2956434

DO - https://doi.org/10.1109/TPS.2019.2956434

M3 - Article

VL - 48

SP - 375

EP - 387

JO - IEEE Transactions on Plasma Science

JF - IEEE Transactions on Plasma Science

SN - 0093-3813

IS - 2

ER -

ID: 47842346