In the DCS wake turbulence video, there are some cool visualizations of a slice of air being disturbed by passing aircraft. This looks to all occur in-engine, so to a layman like myself it seems that extending the wake-turbulence onto smoke particles wouldn't be a wholly impossible task. It's entirely possible that I am just too damn stupid with regards to this, so maybe someone could chime in if I seem to be off in my thinking.
Wake Turbulence Video: