direction of stir

Flint · 01-27-2008, 08:14 PM

I start off stirring clockwise, but then abruptly switch to counter-clockwise.

My theory is that this forces more collisions between the two substances I am trying to mix. Is there any validity to that?

ZenGum · 01-27-2008, 08:22 PM

Quote:

Originally Posted by Flint

I start off stirring clockwise, but then abruptly switch to counter-clockwise.

My theory is that this forces more collisions between the two substances I am trying to mix. Is there any validity to that?

I do this too.

Clockwise-only creates a linear flow that allows undissolved coffee/sugar to simply swirl around the bottom of the cup. Reversing the direction of stir creates chaotic turbulent flow which greatly increases mixing, and thus dissolution.

I believe this does work, because I can feel the extra resistance from the coffee and sugar up until the time I reverse directions, but not thereafter.

classicman · 01-27-2008, 08:42 PM

Quote:

Originally Posted by Flint

I start off stirring clockwise, but then abruptly switch to counter-clockwise.

My theory is that this forces more collisions between the two substances I am trying to mix. Is there any validity to that?

Oh, well if you mean like mixing cake batter & such, thats different. I alternate between clockwise and counter clockwise, then scrape the edges and go into a linear mix horizontally and vertically. Repeat as necessary.

View Poll Results: stir clockwise or counterclockwise
clockwise	30	88.24%
counterclockwise	4	11.76%
Voters: 34. You may not vote on this poll

01-27-2008, 08:14 PM	#1
Flint Snowflake Join Date: Mar 2006 Location: Dystopia Posts: 13,136	I start off stirring clockwise, but then abruptly switch to counter-clockwise. My theory is that this forces more collisions between the two substances I am trying to mix. Is there any validity to that? __________________ **************** There's a level of facility that everyone needs to accomplish, and from there it's a matter of deciding for yourself how important ultra-facility is to your expression. ... I found, like Joseph Campbell said, if you just follow whatever gives you a little joy or excitement or awe, then you're on the right track. . . . . . . . . . . . . . . . . . . . . . . . . . . Terry Bozzio**

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