Existence of subsonic plasma sheaths
نویسندگان
چکیده
منابع مشابه
Existence of subsonic plasma sheaths.
The location of the plasma sheath edge, where quasineutrality is broken, is rigorously derived by using a kinetic description of the plasma. It is shown that sheaths can exist with arbitrarily small ion velocity at the sheath edge, thus violating the Bohm criterion, V(i)=c(s) at the sheath edge. Bohm's criterion is recovered in the case of large enough ion current through the wall, and it is fo...
متن کاملCommunication through plasma sheaths
A. O. Korotkevich, ∗ A. C. Newell, † and V. E. Zakharov 1, 5, ‡ Landau Institute for Theoretical Physics RAS, 2, Kosygin Str., Moscow, 119334, Russian Federation Department of Mathematics, The University of Arizona, 617 N. Santa Rita Ave., Tucson, AZ 85721, USA Department of Mathematics, University of Arizona, 617 N. Santa Rita Ave., Tucson, AZ 85721, USA Lebedev Physical Institute RAS, 53, Len...
متن کاملResonant Particle Heating of an Electron Plasma by Oscillating Sheaths
The first unambiguous measurements of a bounce-resonance effect in a non-neutral plasma are presented. Two striking signatures are observed when a magnetized electron column is heated by oscillating an end sheath. First, the heating rate increases by a factor of 104 as the oscillation frequency is increased by a factor of 10 near the thermal electron bounce frequency. Second, the heating is enh...
متن کاملKinetic theory of plasma sheaths surrounding electron-emitting surfaces.
A one-dimensional kinetic theory of sheaths surrounding planar, electron-emitting surfaces is presented which accounts for plasma electrons lost to the surface and the temperature of the emitted electrons. It is shown that ratio of plasma electron temperature to emitted electron temperature significantly affects the sheath potential when the plasma electron temperature is within an order of mag...
متن کاملFlame Stabilization Using a Pulsed Plasma Discharge in Subsonic Flow
Stable combustion in a harsh environment, such as lean fuel concentration and/or low temperature conditions, is attractive because of its low emissions. However, such flames suffer from lack of stability. In our research, an AC plasma discharge is applied to a lifted jet flame to increase the stability of the flame. Two types of discharges are utilized for this experiment. First, a single elect...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Physical Review E
سال: 2011
ISSN: 1539-3755,1550-2376
DOI: 10.1103/physreve.83.016406