Why people likes water cooling? Isn't compressed air more efficient?

[deathfrankcore]

Water cooling pumps does wuuuuuhuuu compressed air (if you put the compressor away) does only fuuuuuuhuuuuuuuuuuu and it will cool the entire case. 

[Jurrunio]

no one cools their PC with compressed air, something's wrong with the translation.

[Arika]

dude, what?

 

water cooling still has fans to move air through the case. the fan is just moved away from the cold plate. when you really get down to it, there is not a huge difference in how each type of cooler works. 

 

water cooler has more liquid and therefore more thermal capacity and a larger surface area for cooling (radiator).

[Meganter]

Are you on drug at the moment ?

[deathfrankcore]

12 minutes ago, Jurrunio said:

no one cools their PC with compressed air, something's wrong with the translation.

https://en.m.wikipedia.org/wiki/Compressed_air linus can be the first one

11 minutes ago, Arika S said:

dude, what?

 

water cooling still has fans to move air through the case. the fan is just moved away from the cold plate. when you really get down to it, there is not a huge difference in how each type of cooler works. 

 

water cooler has more liquid and therefore more thermal capacity and a larger surface area for cooling (radiator).

But compressed air has more air that flows 

10 minutes ago, Plouffe said:

Are you on drug at the moment ?

Not now 

[xentropa]

 

Well for one it would be pretty noisy.

 

[Guest]

have you ever heard an air compressor? those things are really loud. Like audible through walls loud.

[Jurrunio]

9 minutes ago, deathfrankcore said:

But compressed air has more air that flows 

If you're talking about those in containers, then good luck lasting an appropriate amount of time with a container of reasonable size. If you mean compressors powered by electricity, there's this

 

[WereCatf]

33 minutes ago, deathfrankcore said:

Isn't compressed air more efficient?

No, it'd be extremely inefficient. You'd either need to be running a compressor or you'd need have a big stockpile of compressed air tanks, neither of which is a good or useful idea, and running a compressor just to then decompress that air into the PC-case...that's just fucking stupid.

[deathfrankcore]

10 minutes ago, Jurrunio said:

If you're talking about those in containers, then good luck lasting an appropriate amount of time with a container of reasonable size. If you mean compressors powered by electricity, there's this

 

Yeah like that but smaller. This is so exaggerated. They can do something with a smaller one (the ones Tha came with a pistol looking thing) 

[lewdicrous]

Water has a higher specific heat capacity.

If compressed air was more efficient, then water cooling would be the outlier.

[Jurrunio]

2 minutes ago, deathfrankcore said:

Yeah like that but smaller. This is so exaggerated. They can do something with a smaller one (the ones Tha came with a pistol looking thing) 

Smaller one will reduce airflow while still giving the same noise, might as well use normal case fans...

[Kilrah]

26 minutes ago, deathfrankcore said:

But compressed air has more air that flows 

But air is WAY less efficient at removing and carrying heat than water.

[deathfrankcore]

3 minutes ago, Jurrunio said:

Smaller one will reduce airflow while still giving the same noise, might as well use normal case fans...

Wait they can do something like we have at work. We have a bigass tower that is located outside the factory, it is loud af. That tower is a compressor that provides compressed air to for all the machines and humans. They can do a bigass tower to aircool all the pc in the neighborhood 

[straight_stewie]

17 minutes ago, deathfrankcore said:

But compressed air has more air that flows 

There's this thing called the Ideal Gas Law. The Ideal Gas Law states: Pressure * Volume = Moles * GasConstant * Temperature.

The Gas Constant is calculated by multiplying Boltzmans Constant by Avagadros Number. This yields:

Pressure * Volume = Moles * 85033 * Temperature.

Now we are close to learning something. We know that as flow rate increases, if all other things are held the same, pressure also increases. We also know that the volume of the system in the room is held constant. In this case, Moles can be thought of as the actual amount of particles in something, so let's assume that as pressure increases in a compressible fluid, moles also increases.

So, for the sake of argument, let's assume that the room has a volume of 100 square feet. This yields:

Pressure * 100 = Moles * Temperature * 85033

 

Now, we can arrange things to get something useful:
Pressure = (Moles * Temperature * 85033) / 100

Pressure = 0.1Moles * 0.1Temperature * 850

 

We've already discussed that as flow increases, pressure also increases. But this means that either Moles or Temperature or both increases. In this case, it's known that both temperature and moles increase. But since temperature increases, the heat capacity of air decreases. Since the heat capacity decreases, it becomes less effective at cooling. Since it's becoming less effective at cooling, eventually there will be a point where increased airflow no longer increases the cooling capacity of the computers cooling system, or even where it is worse at cooling than it would be at a lower flow rate.

Or in shorter words, you are fighting the law of diminishing returns here.

[deathfrankcore]

46 minutes ago, straight_stewie said:

There's this thing called the Ideal Gas Law. The Ideal Gas Law states: Pressure * Volume = Moles * GasConstant * Temperature.

The Gas Constant is calculated by multiplying Boltzmans Constant by Avagadros Number. This yields:

Pressure * Volume = Moles * 85033 * Temperature.

Now we are close to learning something. We know that as flow rate increases, if all other things are held the same, pressure also increases. We also know that the volume of the system in the room is held constant. In this case, Moles can be thought of as the actual amount of particles in something, so let's assume that as pressure increases in a compressible fluid, moles also increases.

So, for the sake of argument, let's assume that the room has a volume of 100 square feet. This yields:

Pressure * 100 = Moles * Temperature * 85033

 

Now, we can arrange things to get something useful:
Pressure = (Moles * Temperature * 85033) / 100

Pressure = 0.1Moles * 0.1Temperature * 850

 

We've already discussed that as flow increases, pressure also increases. But this means that either Moles or Temperature or both increases. In this case, it's known that both temperature and moles increase. But since temperature increases, the heat capacity of air decreases. Since the heat capacity decreases, it becomes less effective at cooling. Since it's becoming less effective at cooling, eventually there will be a point where increased airflow no longer increases the cooling capacity of the computers cooling system, or even where it is worse at cooling than it would be at a lower flow rate.

Or in shorter words, you are fighting the law of diminishing returns here.

So let's watercool the pc and use the compressed air to cool the water

[lewdicrous]

11 minutes ago, deathfrankcore said:

So let's watercool the pc and use the compressed air to cool the water

Why are you still insistent on using compressed air.. submerging the radiator in a tub of ice water with active flow through said radiator would be better.

[Kilrah]

Technically you are already using compressed air, just at the conditions it's practical for the purpose.

[LogicalDrm]

*** Thread locked ***

 

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