I highly doubt you will get any noticable effect. It is very minimal in subsonic speeds. Even with dedicated geometries. AIAA-2014-2812

Could you explain what you intend to do? I've been researching for faster aircraft. On academia it seems like there are less than 20 of us who actively research this topic in an open source manner.

The impulse and power required would severely limit this.

DOI: 10.2514/1.J052044
doi:10.1016/j.paerosci.2005.11.001
doi:10.1016/j.paerosci.2005.11.001
Plasma Preheating Technology for
Ablation Studies of Hypersonic
Reentry Vehicles
Daniel Odion Iyinomen