streamer discharge
Plasma
Plasma-kg
describedIn
diagnosedUsing
- Andor iStar DH734-18U-A3 Diagnostic Device
- Hamamatsu C5680-21C Diagnostic Device
- Questar QM100 Diagnostic Device
- RTO 1044, R&S Diagnostic Device
- Tektronix DPO 7254C Diagnostic Device
- Tektronix P6015A Diagnostic Device
- custom-build 50 Ω resistor Diagnostic Device
- custom-build current probe Diagnostic Device
- long-distance microscope Diagnostic Device
diagnosedUsing
- Electrical Measurements Diagnostic Method
- Fluid-Poisson Model Diagnostic Method
- ICCD Imaging Diagnostic Method
- Optical diagnostics Diagnostic Method
- Plasma Chemical Model Diagnostic Method
- current measurement Diagnostic Method
- spectrally-integrated recording Diagnostic Method
- streak camera imaging Diagnostic Method
- time-dependent and spatially two-dimensional fluid-Poisson model Diagnostic Method
- voltage measurement Diagnostic Method
generatedBy
- Single-Filament DBD (Model) Plasma Source
- multi-filament DBD Plasma Source
- single-filament dielectric barrier discharge (DBD) Plasma Source
- symmetric double-sided arrangement with hemi-spherical alumina (Al2O3) covered metal electrodes Plasma Source
hasApplicationField
- Basic Research Application Field
hasDescription
hasProperty
- Discharge characteristics of the pulsed DBD: transferred charge and consumed energy
- Properties of the modeled plasma, including the spatiotemporal evolution of the electron number density, electric current, applied, memory and gap voltage, the spatial distribution of the number density of electrons and argon excited atoms, the electric field, electron production and loss rates, and surface charge density distribution
- Three test cases for positive streamers in dry air at 1 bar and 300 K. Discharges are simulated between planar electrodes in a square domain with a radius and height of 1.25 cm. A background electric field of 15 kV/cm is present, which is well below the breakdown value. To locally enhance the electric field to values above the breakdown threshold, a Gaussian distribution of positive ions is placed below the anode. First test case: constant initial background density of electrons and Ions of 10¹³ m⁻³, no photoionization; second test case: constant initial background density of electrons and ions of 10⁹ m⁻³, no photoionization; third test case: constant initial background density of electrons and ions of 10⁹ m⁻³, photoionization included.
involvedIn
- Comparison of six simulation codes for positive streamers in air Plasma Study
- Formation mechanisms of striations in a filamentary dielectric barrier discharge in atmospheric pressure argon Plasma Study
- Impact of the electrode proximity on the streamer breakdown and development of pulsed dielectric barrier discharges Plasma Study
- Streamer-surface interaction in an atmospheric pressure dielectric barrier discharge in argon Plasma Study
- Upscaling from single- to multi-filament dielectric barrier discharges in pulsed operation Plasma Study
- modelling of an atmospheric-pressure dielectric barrier discharge (DBD) in argon Plasma Study