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Vortex
A
vortex
is a
turbulent flow
which resembles a
tornado
. Or, maybe it is better to say that a tornado is a well known example of a large vortex. A vortex is also formed as water goes down a drain, as in a sink or a toilet.
Examples
Lift (force)
of a
wing
(which relates to the
aspect ratio
of the wing).
The primary cause of
drag
in the
sail
of a
sloop
Sunspot
Tornado
Whirlpool[?]
See also
Strouhal number
wikipedia.org
dumped 2003-03-17 with
terodump