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On the effect of ion-neutral collisions on dust grain screening in a low-pressure gas discharge plasma
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10.1063/1.3701556
/content/aip/journal/pop/19/4/10.1063/1.3701556
http://aip.metastore.ingenta.com/content/aip/journal/pop/19/4/10.1063/1.3701556
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

The normalized ion flux to grain surface as a function of ion collisionality index . The results are presented for two grain sizes: (a) and (b). Solid curves correspond to the KM interpolation formula,9 dashed curves to the Hutchinson’s fit,6 dotted to the Zobnin’s fit,8 and dashed-dotted to the D’yachkov’s model.7 Symbols correspond to the results obtained in the present work.

Image of FIG. 2.
FIG. 2.

The normalized grain charge z as a function of ion collisionality index . The results are presented for two grain sizes: (a) and (b). Solid curves correspond to the KM interpolation formula,9 dashed curves to the Hutchinson’s fit,6 dotted to the Zobnin’s fit,8 and dashed-dotted to the D’yachkov’s model.7 Symbols correspond to the results obtained in the present work.

Image of FIG. 3.
FIG. 3.

Distributions of normalized electric field for . The results are presented for different values of the ion collisionality index: (a), (b), and (c). Solid curves correspond to the model of Ref. 12. Symbols correspond to the results obtained in the present work.

Image of FIG. 4.
FIG. 4.

Distributions of normalized electric field for . The results are presented for different values of the ion collisionality index: (a), (b), and (c). Solid curves correspond to the model of Ref. 12. Symbols correspond to the results obtained in the present work.

Image of FIG. 5.
FIG. 5.

Distributions of normalized electric field for the case of and . Here, curve (1) corresponds to the model of Ref. 12, curve (2) corresponds to the model of Ref. 13, and symbols correspond to the results obtained in the present work.

Image of FIG. 6.
FIG. 6.

Distributions of normalized ion temperature in the case of for different collisional regimes: (1), 0.1 (2), 0.5 (3), and 3 (4).

Image of FIG. 7.
FIG. 7.

Distributions of normalized ion concentration in the case of for different collisional regimes: (1), 0.1 (2), 0.5 (3), and 3 (4).

Image of FIG. 8.
FIG. 8.

Distributions of normalized moment in the case of for different collisional regimes: (1), 0.2 (2), 0.7 (3), and 3 (4).

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/content/aip/journal/pop/19/4/10.1063/1.3701556
2012-04-06
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: On the effect of ion-neutral collisions on dust grain screening in a low-pressure gas discharge plasma
http://aip.metastore.ingenta.com/content/aip/journal/pop/19/4/10.1063/1.3701556
10.1063/1.3701556
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