TITLE

Properties of a warm plasma collisional sheath in an oblique magnetic field

AUTHOR(S)
Ou, Jing; Yang, Jinhong
PUB. DATE
November 2012
SOURCE
Physics of Plasmas;Nov2012, Vol. 19 Issue 11, p113504
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The properties of a warm plasma collisional sheath in an oblique magnetic field and the associated sheath criterion are investigated with a two-fluid model. In the fluid framework, a sheath criterion including effects of the magnetic field and collision is established theoretically for a wide range of ion temperature. With the sheath criterion as the plasma-sheath boundary condition, different plasma parameters including potential, electron and ion densities, and ion velocity are calculated for various ion temperatures and ion thermal motions. It is shown that the properties of the sheath depend not only on the plasma balance equations but also on the sheath boundary conditions. In addition, effects of the directions and magnitudes of the magnetic field on the plasma sheath are also discussed under different ion temperatures.
ACCESSION #
83778881

 

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