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Author Topic: Watercooling with indoor faucet/plumbing  (Read 9097 times)
aqrulesms
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June 12, 2012, 07:38:46 PM
 #21

Even with 37C summer ambient temperatures (mind you that's 100F) My 7970s can stay cool at 60C undervolted @ 550 Mhash/s (air cooled)

It's therefore completely uneconomical to try doing this.  Whatever performance gain you get from water cooling them like that is completely offset by the complete waste of waste of water. 

Your landlord would be quite happy as well and would probably give you a hefty rent increase, not to mention how ecologically unsound it is.

My advice is, don't do it.  Go green  Cool
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cmg5461
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June 13, 2012, 01:27:59 AM
 #22

You could always go the geothermal route Tongue

5 feet down, soil is roughly 55F.  People use it to cool their homes.  Giant coils under the ground and big heat exchangers.  It's free, except for the electricity Tongue

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vapourminer
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what is this "brake pedal" you speak of?


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June 14, 2012, 12:10:36 AM
 #23

You could always go the geothermal route Tongue

5 feet down, soil is roughly 55F.  People use it to cool their homes.  Giant coils under the ground and big heat exchangers.  It's free, except for the electricity Tongue

the heat exchangers are barely bigger than a regular HVAC coil (I have geothermal HVAC with a desuperheater). since (in AC mode) the desuperheater transfers heat from the indoor air to a buffer tank to preheat the hot water (up to 130 F), my miners help provide me with "free" hot showers Smiley

a cooling only ground loop dedicated to directly cool a couple kilowatts of video cards would need to be hundreds of feet long though (guessing). there are tools to figure the actual heat transfer so a ground loop could be done.. wouldnt be real geothermal though (just as my "geothermal" isnt really geothermal, its actually a ground sourced heat pump) it would be using the ground as a heat sink.

a (really really long) hose, a pump, some waterblocks and a shovel. how good are you at digging heh.
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June 14, 2012, 01:32:55 AM
 #24

You could always go the geothermal route Tongue

5 feet down, soil is roughly 55F.  People use it to cool their homes.  Giant coils under the ground and big heat exchangers.  It's free, except for the electricity Tongue

the heat exchangers are barely bigger than a regular HVAC coil (I have geothermal HVAC with a desuperheater). since (in AC mode) the desuperheater transfers heat from the indoor air to a buffer tank to preheat the hot water (up to 130 F), my miners help provide me with "free" hot showers Smiley

a cooling only ground loop dedicated to directly cool a couple kilowatts of video cards would need to be hundreds of feet long though (guessing). there are tools to figure the actual heat transfer so a ground loop could be done.. wouldnt be real geothermal though (just as my "geothermal" isnt really geothermal, its actually a ground sourced heat pump) it would be using the ground as a heat sink.

a (really really long) hose, a pump, some waterblocks and a shovel. how good are you at digging heh.


Oh wow. So what you are refering to is something similar to this then?





Google returned an image in generating geothermal energy:


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June 14, 2012, 01:38:20 AM
 #25

Screw the landlords.. In my places they can only increase rent by x% per year... very little....


My rigs run free of charge on someones elses dime at my buds house Tongue All inclusive...
vapourminer
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what is this "brake pedal" you speak of?


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June 14, 2012, 02:28:01 AM
 #26


the heat exchangers are barely bigger than a regular HVAC coil (I have geothermal HVAC with a desuperheater).

Oh wow. So what you are refering to is something similar to this then?

http://geothermal-heatpump.com/images/Geothermal_Heat_Pump_Desuperheater-3762.jpg

yes, I have a system like the above (the 2nd image in your post). 3 ton unit,  2000 foot vertical loop in four five foot deep 250 foot trenches. provides heat, a/c and preheat for hot water via the desuperheater. the desuperheater part is what transfers my miners waste heat (as well as other heat removed from the air in the house) into "free" hot water, as the heat would otherwise be dumped in to the ground. instead the heat is dumped into a 50 gallon buffer tank that feeds the hot water heater.
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June 14, 2012, 02:35:06 AM
 #27

I have seen people cool big grows with those heat exchangers..... Neat things Smiley Some places have free municipal water, included in property tax.. in Canada anyway.....


Sand point wells come to mind...
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June 14, 2012, 11:22:13 AM
 #28

You could always go the geothermal route Tongue

5 feet down, soil is roughly 55F.  People use it to cool their homes.  Giant coils under the ground and big heat exchangers.  It's free, except for the electricity Tongue

the heat exchangers are barely bigger than a regular HVAC coil (I have geothermal HVAC with a desuperheater). since (in AC mode) the desuperheater transfers heat from the indoor air to a buffer tank to preheat the hot water (up to 130 F), my miners help provide me with "free" hot showers Smiley

a cooling only ground loop dedicated to directly cool a couple kilowatts of video cards would need to be hundreds of feet long though (guessing). there are tools to figure the actual heat transfer so a ground loop could be done.. wouldnt be real geothermal though (just as my "geothermal" isnt really geothermal, its actually a ground sourced heat pump) it would be using the ground as a heat sink.

a (really really long) hose, a pump, some waterblocks and a shovel. how good are you at digging heh.


don't forget the copper pipe Cheesy  Imagine trying to cool off 2kw of energy through a garden hose. Tongue

If I've helped: 1CmguJhwW4sbtSMFsyaafikJ8jhYS61quz

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vapourminer
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what is this "brake pedal" you speak of?


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June 14, 2012, 10:35:36 PM
 #29


a (really really long) hose, a pump, some waterblocks and a shovel. how good are you at digging heh.


don't forget the copper pipe Cheesy  Imagine trying to cool off 2kw of energy through a garden hose. Tongue

a (big diameter.. and LONG) garden hose would indeed work, although its not exactly ideal Smiley copper pipe is not needed. as long as heat can get through it. the cooling liquid is in the loop for a while, so super high conductivity isnt needed.

my ground loop is PEX (pretty sure.. Ill check the specs later)

http://www.pexinfo.com/

 
AndrewBUD
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June 14, 2012, 10:45:49 PM
 #30

Braided tubing would be good, its cheap... Smiley
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