Re: WSJ: Big tech firms seeking power

["Crist Clark" <Crist.Clark () globalstar com>]

> > > On 6/16/2006 at 2:24 PM, Alex Rubenstein <alex () nac net> wrote:
> On Fri, 16 Jun 2006, Matthew Crocker wrote:
>
> > > I wonder just how much power it takes to cool 450,000 servers.
> >
> > 450,000 servers * 100 Watts/Server = 45,000,000 watts / 3.413
watts/BTU = 
> > 13.1 Million BTU / 12000 BTU/Ton = 1100 Tons of cooling
>
> Error: you MULTIPLY 3.413 to go from watts to BTU, not divide. It's
be 
> more like 154,000,000 BTU, /12000 or 12,798 tons.

Well, the bigger problem here is that a watt is a measure of
power (engergy/time) and a BTU is a unit of energy. There is no
dimensionless conversion factor between the two.
-- 

Crist J. Clark                              
crist.clark () globalstar com
Globalstar Communications                                (408)
933-4387


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