And would the cost of such a design be prohibatively expensive? Would it
be able to use standard components, or woould it need yet another
motherboard design?
I believe that the new BTX standard addresses the issue of heat quite
effectively but haven't been able to get my hands on one to verify that
yet.

On 2/12/2006, "Wesley Parish" <[EMAIL PROTECTED]> wrote:

>It seems to come down to this, doesn't it?  There's precious little most PC
>manufacturers are doing to adhere voluntarily to the laws of thermodynamics and
>fluid dynamics.
>
>If I was allowed to design cases for a server sort of box, I'd put the hottest
>components at one end of a venturi tube and let the natural 
>pressure/temperature
>differentials drive the cooling.  Bernoulli's Principle, pure and simple.  So
>it'd be some sort of static ram jet.
>
>Wesley Parish
>
>Quoting Chris <[EMAIL PROTECTED]>:
>
>> "passive thermal chimney" was the search term i found most effective.
>> I found nothing about using the technique for food storage, but there
>> was some
>> hippy stuff about using it to cool dwellings. Most info suggested using
>> the
>> whole building, some suggested a pipe running from a low point to above
>> the
>> roof.
>>
>> An obvious variation is to run a metal flue from basement to above roof
>> line.
>> This will move cool air up and out, and provide a nice cold metal object
>>
>> right by your servers that could act as an efficiant heatsink
>>
>> As the idea is too basic for anyone to make real money from, there is
>> predictably little on the web about it other than the above.
>>
>>
>>
>> On Monday 13 February 2006 08:27, Craig FALCONER wrote:
>> > Interesting idea - but it's a skyline-type garage with a concrete
>> floor :-\
>> >
>> > Do you have any more info on this passive cooling?
>> >
>> > hdtemp was telling me that some drives were over 50 degrees - not
>> good.
>> >
>> >
>> >
>> >
>> >
>> > -----Original Message-----
>> > From: Chris [mailto:[EMAIL PROTECTED]
>> > Sent: Monday, 13 February 2006 8:19 a.m.
>> > To: [email protected]
>> > Subject: Re: Horse down
>> >
>> > On Monday 13 February 2006 06:56, Robert Fisher wrote:
>> > > On Sun, 12 Feb 2006 7:55 pm, Craig FALCONER wrote:
>> > > > I'm thinking of ducting a big-arse tube in from outside and
>> forcing
>> > > > air through the four cases.
>> > >
>> > > That might not have been very helpful yesterday though.
>> >
>> > If its pulling air from UNDER the building through to the part(s)
>> needing
>> > cooling it will probably help. Air in a basement is generaly a lot
>> cooler
>> > than air pulled in from the side of the house. - I'm assuming this is
>> in a
>> > house or similar structure, i'm also assuming the basement or
>> underfloor
>> > area
>> > is dry.
>> >
>> > There is a passive refridgeration system where one can build a cold
>> box
>> > sorrounded by a tube running floor to ceiling. DOC have used this in
>> some
>> > of
>> >
>> > thier buildings that will never have electricity. Food lasts a lot
>> longer
>> > here than on the bench in the warm room. I'm considering trying this @
>> home
>> > for when the fridge finally dies.
>> >
>> > Perhaps the IT world can also benefit from such a low tech partial
>> solution
>> > as
>> > a hole in the floor?
>>
>> --
>> :D
>>
>
>
>
>"Sharpened hands are happy hands.
>"Brim the tinfall with mirthful bands"
>- A Deepness in the Sky, Vernor Vinge
>
>"I me.  Shape middled me.  I would come out into hot!"
>I from the spicy that day was overcasked mockingly - it's a symbol of the
>other horizon. - emacs : meta x dissociated-press
>
>

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