[Beowulf] rear door heat exchangers

[Hearns, John]

> 
> i'm looking for, but have not found yet, a rear door heat exchanger
> with fans.  the door should be able to support up to 35kw using
> chilled water.  has anyone seen such an animal?
> 
> most of the ones i've seen utilize a side car that sits beside the
> rack.  unfortunately, i'm space limited and i need something that will
> hang on the back of the rack.

SGI ICE clusters have chilled water rear doors just like that.
Four radiator sections which hinge out so you can access the rear of the
rack,
and you can keep the rack running while you hinge out one door at a
time.
No 'side car' cooling unit - you just couple it up to chilled water feed
and return via flexible pipes.



Also check out CO2 cooling from Trox 
http://www.troxaitcs.com/aitcs/products/CO2OLrac/index.html

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