Discharge and Optical Emission Spectrum Characteristics of a Coaxial Dielectric Barrier Discharge Plasma-Assisted Combustion Actuator

Figure 1

(a) Schematic of the experimental system, 1-inner electrode, 2-quartz glass tube, 3-copper foil electrode, and 4-five Kapton layers; (b) the top view of the coaxial DBD-PACA; (c) the discharge diagram without swirler; and (d) discharge diagram with swirler.

(a)

(b)

(c)

(d)