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is water cooling really worth it?

buttkinz said:
lock it to 100 in bios, save you frying the card or messing the HDD up :)

you must be in a chilly room, your hdd is at 19 degrees lol, mine sit at 29, im guessing that your idle temps are around 23?? at idle im at around 21-23 and load is 31, thats in a 19-20 degree room, you using your pc as a heater this winter?? ;)

running a swiftech h20 220.
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idles at 25 degrees, its warm enough in here for me to be sat in my boxers :p

JonJ678 said:
This qualifies as pedantic, but given people have achieved sub ambient temps using deltas and a wind tunnel it has to be mentioned. Air going into the fan is at ambient temperature, ambient pressure. Air leaving the fan is going a lot faster, so by conservation of mass (wind tunnel) is at a lower pressure. Gases cool down as their pressure drops, so the air leaving the fan can be cooler than the air going in. This leads directly to sub ambient heatsink temperatures and hearing loss. I might have cocked up the thermodynamics there, been a while since I looked into this.

And you missed peltiers/thermoelectrics from your list :)
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this was why i asked as im doing thermodynamics at the minute and seem to recall gasses of a lower pressure are colder... i just couldnt remember the technicalities

hm and peltiers :cool: not gonna go there tho.
 
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iv had a peltier sat here for nearly a year now, still havent got the guts to whack it in, after my testing with a vapochill disaster im very skeptical of anything further than watercooling for 24/7 usage lol :P
 
Work must be done on a quantity of gas to compress it, as such the internal energy of the gas goes up and the temperatures rises alongside. As my example features fans either end of a "wind tunnel", air going in one side of the fan must have the same mass flow rate as air coming out the other. It is known that the air downwind of the fan is moving faster, and for constant flow rate the pressure must then be lower (this reasoning is often incorrectly applied to aerofoils). I'm fairly sure the two combine to give lower than ambient temps in the tunnel if the air velocity is high enough that the work done on the air by the fan does not increase its temperature more than the pressure drop decreases it.

What course are you on? Themodynamics is an acquired taste I think. Peltiers are very exciting though.
 
1) Wind tunnel for cooling the fan below ambient. OMG! How much space!
2) Sat in ya boxers? DONT wanna know why that is!!
3) If you are on a thermodynamics coarse you should do water so you can use it as a study for your paper or something like that?!

Also, do you like your pea's green, round, and with a bit of mint?
(Anyone remeber Spitting Image?!)
 
JonJ678 said:
Work must be done on a quantity of gas to compress it, as such the internal energy of the gas goes up and the temperatures rises alongside. As my example features fans either end of a "wind tunnel", air going in one side of the fan must have the same mass flow rate as air coming out the other. It is known that the air downwind of the fan is moving faster, and for constant flow rate the pressure must then be lower (this reasoning is often incorrectly applied to aerofoils). I'm fairly sure the two combine to give lower than ambient temps in the tunnel if the air velocity is high enough that the work done on the air by the fan does not increase its temperature more than the pressure drop decreases it.

What course are you on? Themodynamics is an acquired taste I think. Peltiers are very exciting though.
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its a unit in my national certificate working towards HNC for my apprenticship

Phunky Phish said:
2) Sat in ya boxers? DONT wanna know why that is!!3) If you are on a thermodynamics coarse you should do water so you can use it as a study for your paper or something like that?!
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pc is next to my bed...

im doing about the relation between case pressures and core temps for my project.
 
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