Bulletin of the American Physical Society
75th Annual Gaseous Electronics Conference
Volume 67, Number 9
Monday–Friday, October 3–7, 2022;
Sendai International Center, Sendai, Japan
The session times in this program are intended for Japan Standard Time zone in Tokyo, Japan (GMT+9)
Session IF4: Dielectric Barrier and Corona Discharges
4:00 PM–5:30 PM,
Friday, October 7, 2022
Sendai International Center
Room: Sakura 2
Chair: Keisuke Takashima, Tohoku University
Abstract: IF4.00001 : Consequences of Photoelectron and Electric Field Emission on Propagation of Surface Ionization Waves*
4:00 PM–4:15 PM
Presenter:
Mark J Kushner
(University of Michigan)
Authors:
Kseniia Konina
(University of Michigan)
Mackenzie Meyer
(University of Michigan)
Mark J Kushner
(University of Michigan)
Results will be discussed from modeling of propagation of SIWs across structured dielectric surfaces to investigate the consequences of photo-electron and electric field emission. These investigations were performed using the 2-dimensional model nonPDPSIM. Results will be discussed for SIWs sustained in air launched onto dielectric surfaces having micro-structure and rare-gas plasma jets incident onto micro-structured surfaces. We found that photoelectron emission can accelerate the propagation of SIWs due to seeding of electrons ahead of the ionization front, though this effect is sensitive to topography and other sources of electric field enhancement. The structure of the SIW is little affected by the increase in speed. The onset of electric field emission has significant effects on the propagation of SIWs while being sensitive to topography. The onset of electric field emission ahead of the ionization front can produce a reverse SIW, altering the propagation of the initial SIW.
*Work supported by the US Department of Energy Office of Fusion Energy Science (DE-SC0020232) and National Science Foundation (2020010, 1902878).
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