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Re: WSJ: Big tech firms seeking power

  • From: Crist Clark
  • Date: Fri Jun 16 18:40:48 2006

>>> On 6/16/2006 at 2:24 PM, Alex Rubenstein <[email protected]> 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
> 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                              
[email protected]
Globalstar Communications                                (408)

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