On 23-1-2012 16:43, Invisible wrote:
>>>> So how much power do you think it takes to run 50,000 computers, plus
>>>> air conditioning for them, if each has (say) 150W power supply?
>>>
>>> As I say, the point is that most people will never see 50,000 computers
>>> in one place all at once.
>>
>> That isn't really necessary to be able to do the math....
>
> Sure, that's the great thing about math; it always works right, unlike
> intuition. ;-)
>
> But it's not a calculation most people would bother to make, because the
> power consumption of a PC is "negligible".
>
> In a similar vein, the heat output of a normal human in a large empty
> room is also negligible. But weirdly, if you put /a lot/ of humans in a
> room, no matter how big that room is, they manage to raise the
> temperature of the whole room. Unexpected, but true...

<boggle indeed>

I think the rule of thumb is that a person is about 100W. but any amount 
of power will heat any room even if only slighly unless:

a) the room is infinite in size
b) the room was warmer than a person to begin with (i.e. warmer than a 
person that is not cooled by outside temperatures)


-- 
tip: do not run in an unknown place when it is too dark to see the 
floor, unless you prefer to not use uppercase.

Post a reply to this message