Non-thermal atmospheric pressure discharges

Abstract

There has been considerable interest in non-thermal atmospheric pressure discharges over the past decade due to the increased number of industrial applications. Diverse applications demand a solid physical and chemical understanding of the operational principals of such discharges. This paper focuses on the four most important and widely used varieties of non-thermal discharges: corona, dielectric barrier, gliding arc and spark discharge. The physics of these discharges is closely related to the breakdown phenomena. The main players in electrical breakdown of gases: avalanches and streamers are also discussed in this paper. Although non-thermal atmospheric pressure discharges have been intensively studied for the past century, a clear physical picture of these discharges is yet to be obtained.

Nonlinear frequency coupling in dual radio-frequency driven atmospheric pressure plasmas

“…[1][2][3][4][5][6][7][8] Fundamental insight is essential for the exponentially rising interest in homogeneous non-thermal plasmas at ambient pressure. [9][10][11][12][13][14] These plasmas are highly susceptible to instabilities initiated through mode transitions and associated variations in plasma ionization mechanisms. 15,16 Frequency coupling in such systems significantly increases complexity; however it also promises additional manipulation to face the major challenge of stabilization and control.…”

Pulsed activation in heterogeneous catalysis

“…When a very strong electrical field is applied to a material, streamers of plasma will form [36,37,38]. These streamers create chemically highly reactive species such as radicals.…”

27 Argon Plasma Coagulation

“…The APC plasma seems therefore to be a cold, non-equilibrium plasma [10]. To our knowledge, it has not been investigated more closely to date.…”