Re: [Phys-l] tutorial on scaling laws

[Brian Whatcott <betwys1@sbcglobal.net>]

At 04:39 PM 7/27/2007,  John D., you wrote:

> I wrote up some notes on dimensional analysis and put them in a new
> document of their own:
>   http://www.av8n.com/physics/dimensional-analysis.htm
>
> Of course scaling and dimensional analysis are intimately related, but
> it seemed easier to discuss them separately.
>
> Comments and suggestions are, as always, welcome.


Ah! I see the camel of dimension has poked his nose into the tent.
What better time than now, to mention the mystique of the (many)
dimensionless numbers.   Take for example, that romantic example:
 the Slosh time. This is given by
a characteristic time multiplied by the cube root of
the ratio of surface tension to
the product of
fluid density with the cube of tank radius



Brian Whatcott    Altus OK    Eureka!