[Beowulf] 96 cores in silent and small enclosure

Jon Tegner tegner at renget.se
Wed Apr 7 13:14:01 EDT 2010


If you used oil, you could build something smaller (at least if you 
don't count the tank). The 2nd cluster gets sufficient cooling from the 
natural convection which develops in the channel (no forced convection).

The same would hold for water.  It would be fun to try, but I think air 
is more convenient. But even with air you can build small systems. Check 
our "third HTPC", which would be hard to build much smaller even with 
water-cooling (or oil for that matter).

/jon

Jonathan Aquilina wrote:
> sry for another post but i just got an idea. im not sure if you have 
> seen that you tube video of a guy who put his whole setup in a fish 
> tank and was using cooking oil i believe to cool everything. would be 
> interesting to see the 2nd cluster put into a big enough tank and 
> cooled with oil.
>
> On Wed, Apr 7, 2010 at 3:57 PM, Jonathan Aquilina 
> <eagles051387 at gmail.com <mailto:eagles051387 at gmail.com>> wrote:
>
>     how much would something like this go for?
>
>
>     On Wed, Apr 7, 2010 at 3:56 PM, Jon Tegner <tegner at renget.se
>     <mailto:tegner at renget.se>> wrote:
>
>         In this case we have large "home made" heat sinks, I'll put up
>         more pictures when I get the time. You can check other designs at
>
>         www.renget.se/gallery.html <http://www.renget.se/gallery.html>
>
>         In contrast to our "Second cluster" on that site, which is
>         completely fan less, this has two large fans. By using the
>         fans one can get adequate cooling in a smaller box (than what
>         would be possible without fans).
>
>         When I get the time (when?) I intend to do combined cfd/heat
>         flow simulations of our designs (have a PhD in numerical
>         analysis).
>
>         Eventually we hope to market this.
>
>         Regards,
>
>         /jon
>
>
>         On Apr 7, 2010 15:34 "Jonathan Aquilina"
>         <eagles051387 at gmail.com> <mailto:eagles051387 at gmail.com> wrote:
>
>>         is one of you an engineer? how well does the air flow in the
>>         case. what
>>         gets air into and out of the case if there are just only 2
>>         fans on the
>>         box? you guys ever consider marketing this product?
>>
>>
>>         On Wed, Apr 7, 2010 at 1:08 PM, Jon Tegner <<tegner at renget.se
>>         <mailto:tegner at renget.se>>> wrote:
>>
>>         > We (me and my brother) have been into silent computing, and
>>         clusters,
>>         > for quite some time now. We just recently designed and
>>         built a unit
>>         > equipped with 4 supermicro boards (H8DMT) and 8 cpus. In
>>         the actual
>>         > unit the cpus are Opterons with 6 cores each, but it would
>>         be easy
>>         > enough to switch to cpus with 12 cores.
>>         >
>>         >
>>         >
>>         >
>>         > The box are of dimensions 40x42x58 cm, so it is reasonably
>>         small. Two
>>         > large and silent fans are used to cool the system.
>>         >
>>         >
>>         >
>>         >
>>         > For a picture of the unit check
>>         >
>>         >
>>         >
>>         > http://www.renget.se/bilder/redBox.jpg
>>
>>         >
>>         >
>>         > Comments on this?
>>         >
>>         >
>>         > /jon
>>         >
>>         > _______________________________________________
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>>         >
>>
>>
>>
>>         -- 
>>         Jonathan Aquilina
>
>
>
>
>     -- 
>     Jonathan Aquilina
>
>
>
>
> -- 
> Jonathan Aquilina
> ------------------------------------------------------------------------
>
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