<html><head></head><body style="font-size:10pt;font-family:Verdana,Arial,Helvetica,sans-serif;"><div>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</div><div><br></div><div>www.renget.se/gallery.html</div><div><br></div><div>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).</div><div><br></div><div>When I get the time (when?) I intend to do combined cfd/heat flow simulations of our designs (have a PhD in numerical analysis).</div><div><br></div><div>Eventually we hope to market this.</div><div><br></div><div>Regards,</div><div><br></div><div>/jon</div><div><br></div><br><p>On Apr 7, 2010 15:34 "Jonathan Aquilina" <a href="mailto:eagles051387@gmail.com"><eagles051387@gmail.com></a> wrote:</p><blockquote type="cite">is one of you an engineer? how well does the air flow in the case. what<br>gets air into and out of the case if there are just only 2 fans on the<br>box? you guys ever consider marketing this product?<br><br><br>On Wed, Apr 7, 2010 at 1:08 PM, Jon Tegner <<tegner@renget.se>> wrote:<br><br>> We (me and my brother) have been into silent computing, and clusters,<br>> for quite some time now. We just recently designed and built a unit<br>> equipped with 4 supermicro boards (H8DMT) and 8 cpus. In the actual<br>> unit the cpus are Opterons with 6 cores each, but it would be easy<br>> enough to switch to cpus with 12 cores.<br>> <br>> <br>> <br>> <br>> The box are of dimensions 40x42x58 cm, so it is reasonably small. Two<br>> large and silent fans are used to cool the system.<br>> <br>> <br>> <br>> <br>> For a picture of the unit check<br>> <br>> <br>> <br>> <a href="http://www.renget.se/bilder/redBox.jpg">http://www.renget.se/bilder/redBox.jpg</a><br>> <br>> <br>> Comments on this?<br>> <br>> <br>> /jon<br>> <br>> _______________________________________________<br>> Beowulf mailing list, <a href="mailto:Beowulf@beowulf.org"><Beowulf@beowulf.org></a> sponsored by Penguin<br>> Computing<br>> To change your subscription (digest mode or unsubscribe) visit<br>> <a href="http://www.beowulf.org/mailman/listinfo/beowulf">http://www.beowulf.org/mailman/listinfo/beowulf</a><br>> <br>> <br><br><br><br>-- <br>Jonathan Aquilina<br></blockquote></body></html>