[NatureNS] Pot vibration

Date: Tue, 23 Jan 2007 12:09:09 -0400
From: David & Alison Webster <dwebster@glinx.com>
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Joan Czapalay wrote:

> Would it turn counter clockwise in the Southern Hemisphere? Why or why 
> not? Cheers, Joan
>
Hi Joan & All,                Jan 23, 2007
    The Coriolis effect is limited to movement in relatively large 
systems so I would not expect any change in direction.

    I tried to start it first thing this morning (cold pot & brisk fire) 
and it worked like a charm. So large rate of heating of the pot or 
contents is necessary (it is not possible to build a brisk fire after a 
bed of hot coals has been produced). Perhaps convection drives the 
oscillation, because convective flow would be biased slightly to the 
high side of the pot.

Yt, DW


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