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Old 04-08-2017, 04:35 PM   #20 (permalink)
aerohead
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virtual air tabs

Quote:
Originally Posted by freebeard View Post
I guess I need to wrap my head around this. The parallel copper bars on the tail I can see accelerating(dragging) the air rearward, but the U-shape virtual air tabs on the front must act differently. If, as you say, at all.

I won't post this Yoututbe video since it's off-topic but it's findable;



He describes plasma windows (for the muzzle of a rail gun), and towers that are a hollow tube supported by the flow of plasma dragging the tube upward.

I guess I'm a fan of Isaac Arthur, and plasma.
5% mpg on an 18-wheeler is worth going after.If the device can mimic a VG it could help mitigate some of the damage from crosswind separation.
*The effect would have to be like an optimized VG.
*The system would have to detect the apparent wind.
*Then 'position' the effect as a function of the apparent wind.
*The effect would have to modulate as a function of angle of attack and boundary layer thickness.
*With something like a scanivalve,cited laterally,where the mean flow intensity could be identified,this information fed to a CPU could interrogate a RAM look up menu and choose the best solution for the location,frequency,and amplitude of the effect based upon prior lab testing parameters programmed into the RAM.
*There wouldn't be a drag penalty for 'physical' VGs hard mounted at the nose.
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