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TEC cooling above dew point - Page 3

post #21 of 30
8/30/05 at 12:34am
hm....at wut temp of the hotside of the pelt will make both side the same temp??
meaning that at wut temp of the hotside the pelt will not function anymore?? does that means its damage?

since the power=voltage x current, then if i control the voltage, the power will change?? then is the current fixed or is the power fixed??

is there anyway to measure how many watt of heat can my watercooler system cool??

now i know that if my proc wattage is let say 110W, then i must use TEC with power higher than 110W rite?

i dont have to fully cool the TEC rite? cause by fulling cooling it i will get temp below ambient temp which i wish it not to happen.....

how much should i cool down the TEC before it start to malfunction and spoilt?




correct me if i m wrong in any part...
thanx
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post #22 of 30
9/1/05 at 5:19am
any 1 can help me???

any advice or suggestion is appreciated...
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post #23 of 30
9/1/05 at 9:54am
I did some experimenting with my 437W Qmax TEC and at 5V it idles at 35C.

The P=V*I equation only accounts for the heat CREATED by the TEC and doesn't necessarily tell how "cold" the cold side is. The 437W TEC CONSUMES 600W if power (24V*25A) but the Qmax states that the "difference between hot and cold sides" is only 437W. So since the relationship isn't linear, it'd hard to tell exactly how much you'll need to get it around ambient.

Edit: If you get the TEC, just take the extra 5 minutes to condensation-proof the CPU socket. It's really easy and is definately worth being able to use the TEC at it's fullest potential. (Especially easy if you get a Winstch Labs TEC.)
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post #24 of 30
9/1/05 at 10:48am
5 minutes to condensation proof the cpu socket??
wut does that mean???

then i guess i have to get a TEC and do some experimenting my self right?
since theres hardly answer to my question in the few previous post....
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post #25 of 30
9/1/05 at 10:56am
He means it takes all of 5 minutes to condensation proof your mobo, but everything else you're considering doing, to keep the TEC at temps that good water cooling will produce with a lot less effort, will take a whole lot more time, effort, energy, money, etc.

To sum up:

Good WC will produce temps just above ambient, thus not requiring condensation proofing, a thermostat, and other needless equipment, time and effort.

If you're not looking for better-than-WC temps, then why go TEC?

Condensation proofing takes all of 5 minutes. If you are looking for extreme cooling, then take the time and spend the effort to do it right. No board, CPU or other hardware has ever been fried due to someone making the extra effort to absolutely ensure it was done right.
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post #26 of 30
9/1/05 at 11:10pm
Quote:
Originally Posted by NoAffinity
He means it takes all of 5 minutes to condensation proof your mobo, but everything else you're considering doing, to keep the TEC at temps that good water cooling will produce with a lot less effort, will take a whole lot more time, effort, energy, money, etc.

To sum up:

Good WC will produce temps just above ambient, thus not requiring condensation proofing, a thermostat, and other needless equipment, time and effort.

If you're not looking for better-than-WC temps, then why go TEC?

Condensation proofing takes all of 5 minutes. If you are looking for extreme cooling, then take the time and spend the effort to do it right. No board, CPU or other hardware has ever been fried due to someone making the extra effort to absolutely ensure it was done right.
Exactly.
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post #27 of 30
9/2/05 at 2:10am
erm....
i m looking for better-than-wc temp...
just that its not till the temp where condensation will occur....
i think that its better to hurt the TEC than to hurt my proc with heat...
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post #28 of 30
9/2/05 at 10:57am
Well, let's see, you could go with a 226w TEC, with 1x120mm Black Ice Xtreme radiator, Danger Den Maze4 water block, 1/2" tubing and a weak pump (essentially a very low-end TEC/WC setup), put it on a Prescott, and probably see temps that will keep you above the dewpoint at idle, and most likely give you temps worse than water cooling under full load. However, even that's not guaranteed, should humidity be higher than normal on any given day.
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post #29 of 30
9/2/05 at 2:52pm
There's a good point. Idle temps will be WAY lower than load temps, so if you were to keep your idle temps above the dew point, then your load temps will be at least 5-10C higher. A good simple w/c setup will keep the idle temps AND load temps about the same, so in other words, the TEC is useless and actually hurts your cooling.

UNLESS you were to build some kind of thermo-controller to keep the idle temps about the same as the load temps. But still then, it'd be just more expensive as straight w/c and the same effectiveness.
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post #30 of 30
9/3/05 at 8:50am
hmm.....

u all got ur points there....
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