1. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.

News Total immersion cooling hits the data centre

Discussion in 'Article Discussion' started by brumgrunt, 31 Jan 2012.

  1. brumgrunt

    brumgrunt New Member

    Joined:
    16 Dec 2011
    Posts:
    1,009
    Likes Received:
    27
  2. Picarro

    Picarro New Member

    Joined:
    9 Jun 2009
    Posts:
    3,331
    Likes Received:
    134
    Sorry to say this but it won't reduce the heat in the server room. Even when submerged a 100w CPU will continue to use 100w which translates into 100w of heat. This heat has to escape somehow so unless they want to run mile long cooling tubes to the outside of the buildings these servers are to be in, it won't have a very large effect on the heat in a server room.
     
  3. Gareth Halfacree

    Gareth Halfacree WIIGII! Staff Administrator Super Moderator Moderator

    Joined:
    4 Dec 2007
    Posts:
    12,400
    Likes Received:
    1,812
    They already run cooling tubes to the outside of the building - that's how air conditioning works. What this technology does is remove air from the equation: instead of the server heating air, which heats liquid (in the air conditioning unit) which is then taken outside to cool off, the server heats the liquid directly.
     
  4. Phil Rhodes

    Phil Rhodes Hypernobber

    Joined:
    27 Jul 2006
    Posts:
    1,415
    Likes Received:
    10
    Well yes, you'd have to have radiators somewhere outside the server room. The choice of language in the article is a bit imprecise. Is this actually what they're talking about doing?
     
  5. Picarro

    Picarro New Member

    Joined:
    9 Jun 2009
    Posts:
    3,331
    Likes Received:
    134
    Ah ofcourse, my mind hadn't connected the dots that far
     
  6. Gareth Halfacree

    Gareth Halfacree WIIGII! Staff Administrator Super Moderator Moderator

    Joined:
    4 Dec 2007
    Posts:
    12,400
    Likes Received:
    1,812
    That's up to the customer: those who just want to improve performance and don't care about HVAC costs can have radiators in the server room; those who want to recoup their investment with reduced HVAC costs can situate the radiators outside.
     
  7. Phil Rhodes

    Phil Rhodes Hypernobber

    Joined:
    27 Jul 2006
    Posts:
    1,415
    Likes Received:
    10
    The only remaining question I guess is: will all of the components on the motherboard stand being immersed in whatever-it-is-but-presumably-silicone-oil?
     
  8. PureSilver

    PureSilver E-tailer Tailor

    Joined:
    16 Dec 2008
    Posts:
    3,152
    Likes Received:
    235
    It's a good question as to what exactly the liquid is; there's a few builds on here using mineral oil but I remember that at least one user is using proper fluorinert, which I think had essentially no effect on motherboard components.
     
  9. borandi

    borandi New Member

    Joined:
    27 Jan 2010
    Posts:
    128
    Likes Received:
    1
    There are videos of a build by 3M I think, using a chemical called Fluorinert, a bare processor, and thermal-electric device. It costs $300 a gallon to make (it's a nice long chain halogen compound). The chemical boiled at 38C, so with a fan and a TEC it was able to cycle through the liquid even at load without issue.

    The issue here is component failure and ease of replacement, and where data centres have hot-swappable devices. If equipment needs to be replaced, the whole thing has to be taken apart and drained. Hot-swap devices will need to be outside the coolant.
     
  10. Gareth Halfacree

    Gareth Halfacree WIIGII! Staff Administrator Super Moderator Moderator

    Joined:
    4 Dec 2007
    Posts:
    12,400
    Likes Received:
    1,812
    The system is modular: only the affected node need be drained while the rest of the system continues unaffected.
     
  11. Tattysnuc

    Tattysnuc Thinking about which mod to do 1st.

    Joined:
    19 Jul 2009
    Posts:
    1,592
    Likes Received:
    55
    I wasn't aware that this was in use in a server/enterprise environment - Nice! I'd be interested to see more on this principle and whether it is a way to cool the entire board sub-zero without having the threat of condensation. Also, do any materials have to be avoided as they react to the coolant.

    Cheers

    Tatty
     
  12. feathers

    feathers Well-Known Member

    Joined:
    11 Apr 2009
    Posts:
    2,535
    Likes Received:
    59
    "Total immersion cooling hits the data centre
    Trickling down to the desktop." - There is nothing trickling down to the desktop. This won't appear in any off-the-shelf desktop systems so why write it?

    So the company concerned produced one very expensive submerged consumer PC... what's trickling down to the desktop?
     
  13. Gareth Halfacree

    Gareth Halfacree WIIGII! Staff Administrator Super Moderator Moderator

    Joined:
    4 Dec 2007
    Posts:
    12,400
    Likes Received:
    1,812
    Just out of interest, where do you think watercooling started? Hint: supercomputers and HPC, then data centres, then the desktop. Is it possible to buy off-the-shelf watercooling kits, and even pre-assembled watercooled gaming rigs? Yes. Yes, it is.

    Just because you can't imagine it doesn't mean it won't happen. If everyone thought like you, the personal computing revolution would never have happened. "There'll never be any off-the-shelf computers for use in the home, so why write it? <sneer>"

    Also: it's amazing how rude people can be when you give them anonymity and an audience...
     
  14. Jqim

    Jqim New Member

    Joined:
    10 Jan 2011
    Posts:
    53
    Likes Received:
    1
    I would love to see the heat from the server room being used to heat the office in winter. Or possibly offset the energy used to heat water?? The air con in the server room broke once at my work and it really made me realise just how much energry is wasted, as it takes twice as much energy to cool it down. Its like haveing a pan on the hob and then when it gets to the right tempreture you put ice cubes from swedish lakes to keep it that way.
     
  15. Aracos

    Aracos New Member

    Joined:
    11 Feb 2009
    Posts:
    1,338
    Likes Received:
    47
    Oooooo you go Gareth! You certainly look like you've been very interested in this area, it's nice to see :)
     
  16. longweight

    longweight Possibly Longbeard.

    Joined:
    7 May 2011
    Posts:
    10,517
    Likes Received:
    217
    Feathers is the resident rude, abrasive and generally unhelpful member :)

    I do love reading about new advances in technology such as this, it does make perfect sense and will hopefully one day be in my living room!
     
  17. feathers

    feathers Well-Known Member

    Joined:
    11 Apr 2009
    Posts:
    2,535
    Likes Received:
    59
    I considered submerging my PC some years ago. When I thought more about it, I realised I didn't want to get my hands wet every time I installed a new part.
     
  18. leslie

    leslie Just me!

    Joined:
    19 May 2009
    Posts:
    412
    Likes Received:
    11
    Maybe not off-the-shelf right away, but they already had boutique immersion systems for the home back in 08. $5k for a quad core system, not cheap, but also not unheard of for boutique systems. http://www.bit-tech.net/news/2008/10/23/hardcore-computer-launches-immersion-cooled-pcs/1

    Years ago we didn't expect an off-the-shelf watercooled system, and then Apple released the watecooled G5 and another company was at least working on a water cooled laptop.

    While I would say this technology is pointless for the home as things are getting smaller and running cooler and more efficient, all that liquid is one heck good way of keeping customers from messing around inside. So I would half expect it on every Apple product in the near future. :D
     
  19. metarinka

    metarinka New Member

    Joined:
    9 Feb 2003
    Posts:
    1,844
    Likes Received:
    3
    well not quite, liquid tends to have a higher thermal capacity. It takes a lot more energy to heat up a liquid, depending on the load you might find you an equilibrium temperature with the server room air that is much lower and more constant. Also there's a lot to be said for latent heat and heat of evaporation (can't remember the term) a lot of energy is lost during phase change so you can get a lot of cooling for free by designing a heat sink like that. I agree there's still 100w spewing from the CPU but that doesn't necessarily mean it will all end up heating the room.
     
  20. metarinka

    metarinka New Member

    Joined:
    9 Feb 2003
    Posts:
    1,844
    Likes Received:
    3
    some offices do this, places with big render farms like pixar will account for the heating of the computers. Most air con system designers will account for the heat of 1000 people + 1000+ computers when they design heaters and air conditioning systems. Unfortunately it's usually not cost effictive to pump server room heat into something useable for space heating.
     
Tags: Add Tags

Share This Page