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News Alphacool launches compressor-based Eiszeit cooler

Discussion in 'Article Discussion' started by Gareth Halfacree, 17 Mar 2017.

  1. Gareth Halfacree

    Gareth Halfacree WIIGII! Staff Administrator Super Moderator Moderator

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  2. edzieba

    edzieba Virtual Realist

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    Interesting, unlike previous pre-built compressor coolers this appears to use a refrigerant loop, rather than direct-contact for the evaporator. Means a bit of loss in minimum temperature capability (due to the loop acting as a radiator) and you have to be careful with tubing routing to avoid condensation dripping on things, but it also means you can potentially cool multiple components with one unit.
     
  3. Journeyer

    Journeyer Well-Known Member

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    Cool!
    Just the other day I thought about what happened to the Vapochill and phase change in general. A bit costly though...
     
  4. maverik-sg1

    maverik-sg1 New Member

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    The enthusiasts moved on to liquid nitrogen.
     
  5. maverik-sg1

    maverik-sg1 New Member

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    Isn't this a re-badged chiller used for fishponds?
     
  6. Gareth Halfacree

    Gareth Halfacree WIIGII! Staff Administrator Super Moderator Moderator

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    Not for daily use they haven't, unless you fancy standing next to your PC refilling a tube with liquid nitrogen every few minutes then suffocating to death...
    Isn't a PC radiator just a shrunken version of the ones you get in cars? (Hell, I remember when you couldn't buy specially-made radiators and if you wanted to water-cool your PC you went to the scrappies and picked up the radiator from a knackered Mini...)
     
  7. Anfield

    Anfield Well-Known Member

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  8. Ramble

    Ramble Ginger Nut

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    I actually have one of these, I wouldn't put it next to a computer but I suppose that's why alphacool have such a powerful pump built in.
     
  9. wolfticket

    wolfticket Downwind from the bloodhounds

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    That's different to re-badged though. If it is a re-badged fish pool chiller essentially same thing could be available already (and potentially cheaper) without the bleeding edge tech premium attached to it.


    I actually think it might make more sense to look at things a different way and create an air-conditioning unit with a hook up for a water cooling loop. Or maybe a mini-fridge so you can keep your beers and your PC cool :)
     
  10. edzieba

    edzieba Virtual Realist

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    Can a fish pond chiller handle continuous hundred-watt-plus thermal loads?

    Similar argument between direct-contact phase change coolers and hacking fridge/freezer chill systems. Yes, a fridge/freezer compressor does do the same job, but is designed to only continuously deal with the leakage from an incredibly well insulated chamber (a few watts), not a 100W+ CPU. If you're doing a handful of occasional OC bench runs that works fine, but not for continuous use.
     
  11. wolfticket

    wolfticket Downwind from the bloodhounds

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    Fridge freezers may be designed to deal with a small leakage from a well insulated chamber but they do not do this by running continuously at a low level. They "kick in" (as one can hear) when they need to and run at a relatively high wattage for a short period of time and then cut off until needed again.

    It's actually pretty tricky to find figures for peak power consumption but over 100 Watts (maybe well over) seems likely. Presumably modern designs are fairly efficient so I don't think cooling capacity for a computer cooling system would be much of an issue under continuous or near continuous running of the refrigerator.
     
  12. edzieba

    edzieba Virtual Realist

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    Hence why a fridge/freezer system will work for a few short runs, but is liable to crap out if you want to run it continuously. Which is what you would expect, because exactly the same thing happens if you leave a fridge/freezer door open.
     
  13. Wakka

    Wakka Yo, eat this, ya?

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    What he said^


    For 24/7 overclocks even air cooling can get you 90% of what water will, and water will get you 90% of what sub-ambient can.

    I don't suppose we ever will, but it'd be interesting to find out how many of these Alphacool actually built, and how many they sell - I just don't see the market for it anymore.
     

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