Mineral Oil Computer - cannot get pump to pull or push the oil

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l1nks

l1nks

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May 7, 2012
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I cannot get the loop to get started please help, i have the entire system set up, but i cannot get my tubing/pump/res system to work to pull oil, first, because of the positioning i cannot get my loop to initially fill all the way up with oil, i also cannot get it to start sucking/pushing the oil...any help? I have the lightest mineral oil, basically the same viscosity of water
 
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l1nks

l1nks

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May 7, 2012
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HaHa, you're funny. No If you knew anything about mineral oil cooling, you know you submerge the entire system in oil yes, but you also need to a pump/radiator loop to cool the oil, I've since got it started it was just 5x harder to prime the pump then my traditional water cooling set-ups. Thanks for trying, anyway.
 
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manofchalk

manofchalk

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May 11, 2012
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I am aware of the need for a pump and radiator in an oil cooled setup, in fact I even linked to a video that has that very setup.
Just as far as I knew and as you indicated, it seemed very much to me (and Wolf I'm guessing) that you had made yourself a conventional water-loop then tried to fill it with oil.

Anyway, it seems you dont want my help.
 
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Oldboy05

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Jul 6, 2013
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Hi, could you pleeeaassse tell me what pump you used and whether you have used a dual or quad radiator.

I have a mineral oil setup which gets way too hot after around three hours.
Its a small case 25cm x 25cm x 25cm.

Specs for cooling are -
Phenom quad core
8GB DDR3
Radeon hd 7750
128GB SSD

Any advice would be massively appreciated - thanks
 
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manofchalk

manofchalk

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May 11, 2012
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@Oldboy

See if you can get a Kill-A-Watt wall plug which will measure your computers power consumption under full load (Prime95 and Furmark running). That number will be a rough indication of the heat being dumped into your oil, get a radiator that can deal with that amount of heat (I wouldnt think more than 200W).

As for pump, I'v seen DDC pumps being used but I imagine any water-cooling pump will work.
 
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l1nks

l1nks

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May 7, 2012
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Hi Oldboy05, the radiator is not as important as the pump for this, for that set-up i would get a triple rad so you don't have to run the fans as high as you would with dual, as the radiator and fans are external, there is no sound suppression. When it comes to the pump, i suggest you spend money on this, get a pump that is submersible and pretty powerful, as pushing mineral oil is a tad bit harder then water. once you build this loop its harder to get it all primed, so be patient, and air bubbles will keep showing up for like 2 weeks, try and get them out as soon as you see them, Sorry if this wasn't all of the help you were looking for.
 
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l1nks

l1nks

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May 7, 2012
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Be careful, this is actually a great way of determining how much cooling you need, but i don't want any newer people that may read this thread in the future to be confused and thing that watts as a measurement of heat, and watts as a measurement of power, are the same thing, they are not. they do have a direct correlation however.
 
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manofchalk

manofchalk

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May 11, 2012
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For the potential new readers then.

Its not that the unit "Watt" is a unit of heat, its a unit of Power, which is defined as the conversion of energy from one form to another.
In this case, electrical energy is being converted into thermal energy, which is why the power consumption is a good rough indicator (its never a 100% conversion) of the heat output of a computer in Watts.

I don't think there is an actual unit for heat, temperature is a measure of concentration of heat.

The more you know :).
 
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Oldboy05

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Jul 6, 2013
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Thanks for the info guys, as there's little or no solid information on oil pc's out there, this is all good stuff and with a bit more researching has given me something to go on.
I know you said don't skimp on the pump, but funds are extremely tight, so i'm gonna risk -

Pump - EK-DCP 2.2
tubing - 1/2" ID
Rad - triple

I'm going with the wider tubing on the theory that it should push the oil through the system better, i know it makes no difference when running a water loop, but, well, the oil being thicker and all.

Forgot to add before, that my system is much smaller than most oil pc's in the sense it only holds 12litres / 2 1/2gallons, so hopefully the above bit of kit should move it around ok and keep it cool, fingers crossed :)
 
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