Quote:
Originally Posted by kach22i
I agree, but have yet to see vortex formation in any of the wind tunnel and smoke images posted.
Is the smoke just too weak and dispersed by the time it gets to the end?
Outside of large trucks on dirt roads or aircraft landing photos, I do not recall seeing vortex formation on automobiles.
Have seen a few tufts flicking about in videos.
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While it would be nice to be able to see the vortices, you can directly measure their drag and lift outcomes by simply measuring panel pressures. After all,
all drag and lift forces just come from air pressures acting on panels.