Turbulence - Friend or Foe? |Here's a lot of Aero info, not spread in several threads

[trebuchet03]

Mighty, I had an interesting conversation with the South East ASME district leader (at least, afterwards - I was told that was his position) - and in speaking with him with respect to HPV fairings, it was recommended (among other things) to explore completely turbulent flow - tripping with some sort of speed bump on the leading edge...

In the next couple months, we'll be modeling that to see what happens - as turbulence is chaotic, there's good chances that it will help, hurt and/or do nothing But for us, we're not sure how much of an effect it will have at our relative low velocities

On the polar opposite side of things, it was also recommended that we check out deHavilland slots to maintain laminar flow (and provide necessary ventilation). deHavilland slots basically suck air into the foil just before the transition point - I believe this basically "resets" the BL, or at least decreases the thickness.


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Any good ideas on how to trip the BL? I was thinking of just experimenting with a triangular shape -like a FedEx Triangle mailer sort of shape. Any suggestions?