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Thread: Less Than Ambient Water Cooling 02July

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    Default Less Than Ambient Water Cooling 02July

    Noise and heat are 2 things from my computer I could do with less of.

    Coming from a plumbing background, I've cooked up a little solution in my head.

    It's simply water cooling with no radiators or fans other than in my case.

    I'm fortunate enough to be living in a house we don't plan leaving, at least for a long time. This gives me the freedom to install a less than portable solution.

    When we moved in I brought in a backhoe and cleared the wilderness from our backyard. I considered burying a cooling loop for our computers at the time. With so much needing to be done, I just didn't do it. However, I do have free access to a backhoe and could bury a nice copper loop in probably under 2 hours.
    I estimate a buried loop would give me water under 60F in the summer and much cooler in the winter. I would have to make provisions for condensation in my case but I believe it's a viable solution.

    Our house has a crawl space under the entire home. It is very cool under there year round. Another option would be to simply lay a copper loop under our home directly on the soil.

    The advantages of the 2 systems is my CPU heat is totally removed from my room.
    The system I'm about to build will probably run about 550 watts. That's 550 watts of heat going elsewhere.
    Another great reason is simply overclocking performance and extended component life.
    And the biggest reason is.......because I want it that way!

    I'm leaning towards the under house loop but the materials would be nearly the same. The only downside to the under house loop is my water wont be super chilled in the winter like a buried loop would. Upside is less condensation, no excavation.

    Here's the parts I'm considering.
    Under House
    120' 3/4" copper tubing for the loop
    110 volt continuous duty recirc pump
    2 gal captive air expansion tank with air pressure lowered to 4lb
    flushing manifold plumbed to the outside

    In Computer room cabinet
    Pex 4 manifold splitter with on off valves would allow up to 4 individual component cooling lines
    bypass loop
    small fill tank for adding anti freeze/ air removal
    dry ice copper loop and bucket
    1/2" flow switch this keeps my computer from getting power without water flow
    on/off switch


    Thoughts?

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    Okeeey, so bassically you want to plumb in your WC setup into your house.....
    Thats one SICK idea! (f course in positive way!)

    But what do you want to cool inside?? cpu, draphics, everything??

    Also how d you want it to setup ?? as a one loop or distribute water to individual components via mainfold??

    anyway i really do hope you have good camera coz I ( and most likely not only me) want to see a TON of pictures of it!

    Good luck!

    " There are some things Man should not know, for rest is Google"
    " Never argue with an idiot, he'll drag you to his level and beat you with experience"




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    " hi all "new to this.
    got to get up to date.
    real sleepy! but i have some idea. on water cooling, been building my own for about 2 years know. low cost. build them from scrach (cpu/chip set coolers) try and talk to you all later.

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    Hopefully this is an actual taking place project and yes please post pics.

    Please read Worklog Outlines first before post any project, we will close or remove any incomplete threads and also we'll move any idea discussing threads to approriate forum as well.

    Now back to your idea; this have had been done before. I think it will work but it's more hassle to setup but you won't yield much of the results as you expected.

    Here are my thoughts; I don't think naturally under ground cooling is capable to keep heated coolant to chill at 60F (15c) there're a lot of heat load. Especially in summer time, it's possible in winter time though.

    Second, you need to burry the pipes under frost line or it will freeze the pipe and burst. You have to check your local frost line depth for this. In Cananda we have go deep at least 32" deep, that's the average depth.

    What are the shape of the pipe going to be; a "S" like flat bed or coil sprial and over all size?
    I think coil sprial design is a best because it will be less digging, all you need a one big hole but it will pain in the arsh to bend 3/4" copper pipe though.

    Fourth, the biggest fitting for PC waterblock is 1/2" in size you will find a hard time to find the right fittings unless you use home plumbing parts but threads won't really compatible. However, you can use reducer to brand out to smaller pipes.

    Fifth, it's definitely you need to use a power pump to provide you enough pressure to pull the coolant from out side into the house to the PC and via versa. To much pressure it will blow the water block apart unless you use totaly copper block, no Acrylic top here.

    Sixth, condensation prevention all pipes, blocks is a must especially in Winter time.

    Seventh, about resevoir.
    Where are you going to put this tank?
    If it is not burry then the coolant will heat up by the ambient temps. You can insulate it but it is not totally stop the heat build up.

    What is the bucket of dry ice for, to chill the coolant?

    Do you think the flow switch is a good idea when the water pump die and suddenly power interuption while you computing?
    I see OS corruption and data lost here.

    IMO, this is an experience fun project to do but it's not worth it with all the troubles and you don't get the results as you expected.

    I think the best solution is an A/C unit, it's not only keep the PC cool but you as well. It's probably cheaper in the end too (material cost not the electric bills though).

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    Kildeer, Hi

    This sounds like a plan to me .....I've seen a similar idea, but perhaps less complex, working well for the builder.......took a while to find.....http://www.xtremesystems.org/forums/...d.php?t=207565

    Sounds to me like you have it all planned well...the pump pressure/expansion tank thing suggests something quite hi pressure....check the specs of waterblocks to be used before selecting maybe

    Edit: Deton makes some good points particularly about the frostline.....if you were to go to maybe 6ft (with a backhoe no problem) I hear that the results summer/winter will be more consistant. (from a heatpump experiment)

    Just a thought...in the world of refridgeration you can buy coils of copper tube = longer =less joints=less potential for leaks
    Last edited by grumpydaddy; 02-07-2009 at 13:23.
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    ahh...I missed the pressure tank:$....that wil solve the pump head pressure. Checked.

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    LOL....that guy must be grave digger and he did all that by hand, that's carzy.
    According to his results his load temps were in late 30s and he spent over $1100USD....it's better get CoolIt Boreas for less than 3th of the cost for the same result and less trouble too.

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    I think it only really begins to make sense if you are running multiple rigs for crunching or folding or suchlike....you know, on 24/7.

    Otherwise i would just redneck build an external 45 gall drum res and big rad, together they would act as a big sink and surely be almost impossible to heat that much water by very much above ambient even after hours of gaming.........Hmmmm where to get a big ol' copper rad cheap?
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    My intent was to install a mani-block with 4 outlets min.
    One cooling loop.
    I realise this is not the coolest solution (pun there). What it would do is get the heat out of the house and be very energy efficient. It would also improve temps over my current air cooling set up.

    After having read the link posted, it seems the guys temps and garnered results are rather modest for the amount of effort and expense.

    After someone whispered in my ear the word "Boreas" I began thinking of what my cooling priorities should be as an overclocking enthusiast.

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    Quote Originally Posted by grumpydaddy View Post
    I think it only really begins to make sense if you are running multiple rigs for crunching or folding or suchlike....you know, on 24/7.

    I agree with you there, at least it certainly makes more sense.

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