Soundwaves Boost Wing Lift

In article l.net,
Charlie Springer wrote:

On Sun, 21 Aug 2005 19:22:47 -0700, Chad Irby wrote
(in article ):

Kinda makes you wonder if they used a particular kind of "noisy" sound
wave, or simple shapes like sine waves.

It'd be really funny if it turned out to work with random or
less-patterned noise, and they missed it because they were too
organized...

One would be tempted to think this, but all noise (including triangle and
square waves) can be constructed from a sum of sines and cosines.

Technically, yes, but there could be too many situations where "simple"
noise has nothing like the same effect "complex" noise does.

Considering that the airflow across the wings of small aircraft is
generally subsonic, simple versus complex waveforms could make a real
difference (for the generation or prevention of standing waves?).

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