Содержание
- 2. Plasmas span a tremendous range of temperatures and densities – from the low densities observed in
- 4. Self-organized filaments in dielectric barrier discharges
- 5. What is DBD? Dielectric-barrier discharge (DBD) is the electrical discharge between two electrodes separated by an
- 6. Dielectric barrier discharges are widely used in industrial application due to their ability to produce large
- 7. when the radial diffusion length of one electron during its transit from cathode to anode become
- 8. Some typical examples
- 9. Fig. 1: 2D self-organized patterns of filaments (b) hexagonal; (c) target; (d) hybrid; (e) pair of
- 10. Experiment carried by They used two different systems, a two dimensional geometry shown in figure 1a
- 11. 1D geometry allows a fast optical diagnosis, both along the direction of pattern formation and along
- 12. Classical filamentary discharge Such regime generally corresponds to the 2D hexagonal structure (see figs) The electron
- 13. Non-classical pattern A singular case, the quincunx structure for which phenomena occuring between filaments can strongly
- 14. Fig. 5: Averaged ion density along x axis as a function of time for two y
- 15. surface charges distributions on both dielectric sides are distributed much more uniformly compared to the classical
- 16. The large variety of pattern filaments that can be observed in DBDs is the result of
- 17. Modeling carried by The presence and/or the consequences of bifurcations have been encountered the modeling of
- 18. Fig. 1: (a): Bifurcation diagram. Solid: 1D mode. Dashed: 3D mode with period of π/4. Dotted:
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