I think this might be hard to do using ONLY tyflow - usually plugins like Phoenix FD or fume FX are used to create these whispy fluid / smoke sims.
Having said that I guess you could try emitting a lot of small particles with motion blur and together with some comp magic you might be able to get a nice looking result.
Having said that I guess you could try emitting a lot of small particles with motion blur and together with some comp magic you might be able to get a nice looking result.