Plasma sheath in an oblique magnetic field

A one-dimensional two-fluid model is presented and used to analyze the potential formation in front of a planar electrode immersed in a magnetized plasma. The basic properties of the model are illustrated by the potential, electric field and density profiles. The dependence of the Chodura layer and...

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Bibliographic Details
Published inElektrotehniski Vestnik Vol. 83; no. 4; p. 162
Main Authors Gyergyek, Tomaz, Kovacic, Jernej
Format Journal Article
LanguageEnglish
Slovenian
Published 01.01.2016
Subjects
Density
Electric potential
Electrodes
Larmor radius
Magnetic fields
Orbits
Sheaths
Thickness
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Summary:A one-dimensional two-fluid model is presented and used to analyze the potential formation in front of a planar electrode immersed in a magnetized plasma. The basic properties of the model are illustrated by the potential, electric field and density profiles. The dependence of the Chodura layer and sheath thicknesses and of the ion Larmor radius on the magnetic field angle is examined. It is shown that dependence of the Chodura layer and sheath thicknesses on magnetic field angle is not monotonous, while the ion Larmor radius at the sheath edge is of the same order as the Chodura layer thickness. This leads to the conclusion that the ions are lost from the system mainly because their orbits intersect the surface of the electrode.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:0013-5852
2232-3236