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Model of grain charging in collisional plasmas accounting for collisionless layer
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10.1063/1.2713719
/content/aip/journal/pop/14/4/10.1063/1.2713719
http://aip.metastore.ingenta.com/content/aip/journal/pop/14/4/10.1063/1.2713719
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Dimensionless grain charge as a function of the ion mean free path normalized to the grain radius in isothermal plasmas of hydrogen, helium, neon, argon, and xenon at the fixed ratio of the electron-to-ion mean free path .

Image of FIG. 2.
FIG. 2.

Dimensionless grain charge as a function of the ion mean free path normalized to the grain radius in argon plasmas for , 10, and 100. Solid curves correspond to ; dashed curves correspond to ; dash-dotted curves correspond to .

Image of FIG. 3.
FIG. 3.

The dimensionless grain charge as a function of the ion mean free path normalized to the grain radius . Comparison of the present theory (curves) with experimental data (circles) and OML approximation (horizontal lines) for (Ref. 19) and (Ref. 20).

Image of FIG. 4.
FIG. 4.

The dimensionless grain charge as a function of the ion mean free path normalized to the grain radius . Comparison of experimental data (Ref. 5) for (circles), 0.95 (squares), and 1.25 (triangles) with the present theory (PT), collisionless OML theory (OML), and collision enhanced collection model (CEC) for (dashed curves) and (solid curves) is performed.

Image of FIG. 5.
FIG. 5.

Ion and electron densities in the hydrodynamic region in isothermal argon plasma at for (1), (2), and (3). Solid and dash curves correspond to ion and electron densities, respectively; dash-dot curves show the Boltzmann ion densities. Each curve starts at .

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/content/aip/journal/pop/14/4/10.1063/1.2713719
2007-04-12
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Model of grain charging in collisional plasmas accounting for collisionless layer
http://aip.metastore.ingenta.com/content/aip/journal/pop/14/4/10.1063/1.2713719
10.1063/1.2713719
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