Plasma propagation phenomena in long discharge tubes, plasma jets, and plasma display panels

摘要

The propagation speed of plasmas is dependent of the plasma scale, where the speed increases as the plasma scale increases. Therefore, the speed of micro-discharge plasmas in plasma display panel is relatively slow, while the plasma propagation speed of the plasma jet devices with a few centimeter scales increases considerably. Moreover, the plasma propagation speed of the plasma column of long discharge tube having the scale of several tens of centimeters is much faster. The propagation phenomena are described with the electrostatic plasma waves including the plasma diffusion due to the plasma density gradient. The diffusion velocity is solved to be dependent of plasma scales which are related to the plasma diffusion waves in each plasma devices.