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Re: vortices in Kundt's tube



At 23:02 11/16/97 EST, David Dockstader wrote:
Just a quick thought. Air is going back and forth in the
tube, but air is also in contact with the tube. This drag
from the tube must be responsible for the
vortices.


In the somewhat comparable observation of tea-leaves aggregating centrally
in a stirred tea-cup, a radially symmetrical fluid circulation ascending
centrally is also ascribed to friction at the cup-walls.
Sincerely

brian whatcott <inet@intellisys.net>
Altus OK