On 3/1/13 8:16 AM, "Joe Landman" <land...@scalableinformatics.com> wrote:
>On 03/01/2013 10:45 AM, Prentice Bisbal wrote: >> Using this numbers, Water is 24x better than air Mineral oil is 6.75x >> better than air 3M Novec 7000 is only 3.125x better What is clearly >> much better than the other alternatives for heat transfer. If only it >> wasn't conductive, and corrosive (rust, anyone?) I hope this makes up >> for my earlier exaggerated numbers. Prentice > >Technically, pure water is not a good conductor. More of a dielectric >insulator. Its when you get those nasty impurities and ions in it, >that it becomes an ok conductor. Since its such a good solvent, its >rather hard to keep those nasty ions out. > >As far as I remember, one of the hardest parts of dealing with cooling >liquids are the impurity buildup issues. Unless you are dealing with >Flourinert (see www.sisweb.com/referenc/msds/fc70.pdf ) which is >goodness embodied ... unless you burn it ... then its pure eeeevuuulll. > FC70 is pretty pricey, as I recall... $250-300/liter or something like that. Compare mineral oil at $1/liter > _______________________________________________ Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
