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refrigerator radiator?

spwath
By spwath
in Custom Loop and Exotic Cooling
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What do you think, could I use one to passively cool my PC?

Would it have enough thermal capacity for hd7950 and fx-6300?

n0ah1897, on 05 Mar 2014 - 2:08 PM, said:  "Computers are like girls. It's whats in the inside that matters.  I don't know about you, but I like my girls like I like my cases. Just as beautiful on the inside as the outside."

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probably not

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What do you think, could I use one to passively cool my PC?

Would it have enough thermal capacity for hd7950 and fx-6300?

Give me a picture and the size in mm so I can give xou a good answer.

Mineral oil and 40 kg aluminium heat sinks are a perfect combination: 73 cores and a Titan X, Twenty Thousand Leagues Under the Oil

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well maby how depends on size xD size matters you know ;P

I spent $2500 on building my PC and all i do with it is play no games atm & watch anime at 1080p(finally) watch YT and write essays...  nothing, it just sits there collecting dust...

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you didn't just say that.......

i did

I spent $2500 on building my PC and all i do with it is play no games atm & watch anime at 1080p(finally) watch YT and write essays...  nothing, it just sits there collecting dust...

Builds:

The Toaster Project! Northern Bee!

 

The original LAN PC build log! (Old, dead and replaced by The Toaster Project & 5.0)

Spoiler

"Here is some advice that might have gotten lost somewhere along the way in your life. 

 

#1. Treat others as you would like to be treated.

#2. It's best to keep your mouth shut; and appear to be stupid, rather than open it and remove all doubt.

#3. There is nothing "wrong" with being wrong. Learning from a mistake can be more valuable than not making one in the first place.

 

Follow these simple rules in life, and I promise you, things magically get easier. " - MageTank 31-10-2016

 

 

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Give me a picture and the size in mm so I can give xou a good answer.

I was just thinking a general fridge radiator, like the size of the fridge, but not very finny

n0ah1897, on 05 Mar 2014 - 2:08 PM, said:  "Computers are like girls. It's whats in the inside that matters.  I don't know about you, but I like my girls like I like my cases. Just as beautiful on the inside as the outside."

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I'm intrigued, If you do this and it works, you need to show me this. xD

My procrastination is the bane of my existence.

I make games and stuff in my spare time.

 

 

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The principal works, but the refrigerator was not meant too keep up with the constant heat.

I speak my mind, sorry if thats a problem.

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What do you think, could I use one to passively cool my PC?

Would it have enough thermal capacity for hd7950 and fx-6300?

 

So it's time for a bit reverse engineering. But seriousely it would have beed more easy it you gave us more informations.

I took this fridge as an example: http://www.miele.ch/de/c/kuehl-gefrier-und-weinschraenke-2497.htm?mat=09430590&name=FN_32402_i

 

Assumption 1: 75% of the input power is dissipiated by the radiator.

Assumption 2: The fridge uses a passive radiator (there are a lot with fans, especially the smal once).

Assumption 3: The coolant temperature have to be lower for the fridge than for the PC. So you gain a factor of 1-2 here. But I'm not sure, so I use a conservative assumption of 1.25.

Assumption 4: All heat removed from the inside is also dissipiated by the radiator (obviousely).

 

 

Ok let's start:

 

- Power consumtion of the fridge max. = 220 volt * 1.3A = 286 watt

  75% of it: 214.5 watt

 

- heat removed from the inside:

freeze capacity = 12kg / 24h = 12 * 333 500 Ws / 24h = 46.3 watt

 

- total power dissipation the radiator is designed for:

214.5 watt + 46.3 watt = 260.8 watt

 

- power dissipation when used as a PC radiator:

1.25 * 260 watt = 326 watt

 

As the fridge is 880x570x550mm big and the radiator ~800x500mm this seams reasonable to be.

 

The max. power consuption of your system is:

GPU: 175 watt

CPU: 100 watt

 

- spared cooling capacity

326 watt - 175 watt - 100 watt = 50 watt

 

So yes it should work, if you are using the radiator of a big fridge. For smaler once (or the one you like to use) you have to redo the math for yourself!

Mineral oil and 40 kg aluminium heat sinks are a perfect combination: 73 cores and a Titan X, Twenty Thousand Leagues Under the Oil

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The principal works, but the refrigerator was not meant too keep up with the constant heat.

 

he only like to use the radiator, not the compressor cooling unit to chiave subambient temperature.

Mineral oil and 40 kg aluminium heat sinks are a perfect combination: 73 cores and a Titan X, Twenty Thousand Leagues Under the Oil

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not really, replacing the external fans for a constant running refrigerator for the

cooling element just won't be the optimal upgrade. the noise increase (constant)

of the refrig over the external fans seems counter-productive. lastly, the moisture

issue of sub-ambient cooling is a deep concern.

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I would look at some passive air cooling solutions before water cooled passive solutions. With water cooling comes pump noise which you won't get with air cooling. I'll try to find a passive PC to link... I'm thinking of one with an i7 and a gaming GPU right now but idk where I read about it....

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So it's time for a bit reverse engineering. But seriousely it would have beed more easy it you gave us more informations.

I took this fridge as an example: http://www.miele.ch/de/c/kuehl-gefrier-und-weinschraenke-2497.htm?mat=09430590&name=FN_32402_i

Assumption 1: 75% of the input power is dissipiated by the radiator.

Assumption 2: The fridge uses a passive radiator (there are a lot with fans, especially the smal once).

Assumption 3: The coolant temperature have to be lower for the fridge than for the PC. So you gain a factor of 1-2 here. But I'm not sure, so I use a conservative assumption of 1.25.

Assumption 4: All heat removed from the inside is also dissipiated by the radiator (obviousely).

Ok let's start:

- Power consumtion of the fridge max. = 220 volt * 1.3A = 286 watt

75% of it: 214.5 watt

- heat removed from the inside:

freeze capacity = 12kg / 24h = 12 * 333 500 Ws / 24h = 46.3 watt

- total power dissipation the radiator is designed for:

214.5 watt + 46.3 watt = 260.8 watt

- power dissipation when used as a PC radiator:

1.25 * 260 watt = 326 watt

As the fridge is 880x570x550mm big and the radiator ~800x500mm this seams reasonable to be.

The max. power consuption of your system is:

GPU: 175 watt

CPU: 100 watt

- spared cooling capacity

326 watt - 175 watt - 100 watt = 50 watt

So yes it should work, if you are using the radiator of a big fridge. For smaler once (or the one you like to use) you have to redo the math for yourself!

Thanks for doing all that work!

I'll have to see what kind of radiator I can get on craigslist. I have plenty of room to mount it.

n0ah1897, on 05 Mar 2014 - 2:08 PM, said:  "Computers are like girls. It's whats in the inside that matters.  I don't know about you, but I like my girls like I like my cases. Just as beautiful on the inside as the outside."

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not really, replacing the external fans for a constant running refrigerator for the

cooling element just won't be the optimal upgrade. the noise increase (constant)

of the refrig over the external fans seems counter-productive. lastly, the moisture

issue of sub-ambient cooling is a deep concern.

No, I would take the radiator from the back of the fridge, and use that as a water cooling radiator passively

n0ah1897, on 05 Mar 2014 - 2:08 PM, said:  "Computers are like girls. It's whats in the inside that matters.  I don't know about you, but I like my girls like I like my cases. Just as beautiful on the inside as the outside."

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I would look at some passive air cooling solutions before water cooled passive solutions. With water cooling comes pump noise which you won't get with air cooling. I'll try to find a passive PC to link... I'm thinking of one with an i7 and a gaming GPU right now but idk where I read about it....

I've seen that.

But I already have water cooling

n0ah1897, on 05 Mar 2014 - 2:08 PM, said:  "Computers are like girls. It's whats in the inside that matters.  I don't know about you, but I like my girls like I like my cases. Just as beautiful on the inside as the outside."

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I've seen that.

But I already have water cooling

Ah, then your idea is better :P I must have missed that part, sorry. if you end up using the radior, could you make a new topic showing off your work so other people know whether or not to try it?

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Should try it with a transmission oil cooler or a heater core.

Hmmm.

Might do a few experiments this winter myself actually.

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