Based on needle-to-cylinder discharge structure

use Lissajous method

influences of the dielectric barrier discharge diameter and the flow velocity of carry gas change on the changing of discharge power and equivalent capacitances of dielectric are studied; an orthogonal experiment is designed

in order to study significant influence of flow velocity of carrier gas and discharge diameter on periodically transmitted charge. The results show that discharge power and equivalent capacitances of dielectric tend to decrease with the increasing of the flow velocity of carrier gas; with the increase of discharge diameter

the equivalent capacitance of dielectric decreases. In the orthogonal test

the F value of the tube size is 22. 15

which means flow veloctiy of carrier gas has more significant influence on transfmitted charge.