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Triple peltier chiller - Page 25

post #241 of 748
Yeah, As max cooling output is only approximatly 50-70%of the max power usage.
Also as your loop heats up or cold side gets reall chilly.
Delta of cold and hot increaces, therefore if your doing good you will get apprximaly 50-57% wattage of power usage.
as it increaces to 34delta you will get approximatly 30-35% cooling of power usage

If your room temps 10C its impossible to get to -40C on your cpu, Max delta before 0w of most peltiers is 70DT

Thats why the job is for phase changers
post #242 of 748
Thread Starter 
But not if you don't want to go below ambient but keep a cpu under 100% load around room temp can phase do that? Not have to insulate motherboards and can't rma them?
Phase has its little place in the corner where they stay an collect dust with peltiers they can be moved with the PC as they don't add much weight then don't get damaged as easy not loud and can do some crazy stuf if needed like keep water an 4*c under room temp but 1-2*c above ambient temps so it dosnt condensate ?
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post #243 of 748
No my friend has a 80w phase change, he can't even cool his 8350 on stock volts and clocks.

So if you dump it to cool water samething happens as load applies. 80w maximum of cooling is outputed
post #244 of 748
80w phase change is pointless haha, thats why they sit in the corner gathering dust, 300w phase change is fantastic, but its an ugly noisy beast. TEC is effective, small, silent, cleanly integrates, does everything we want and need. With TEC I can have hundreds of watts of cooling capacity but it's rarely going to get more than 30*c below ambient and thats totally fine with us. If you start cascading TEC's you can push to 40-50 if you are really keen but wattage will be low to keep things reasonable. I could chill my G3258 to -20c if I wanted, or even a quad if I really went all out. Thats the beauty of TEC, has the flexibility to do whatever you want and it can all be done by yourself at home for very little additional cost over water cooling, unlike phase change.
Edited by LiamG6 - 11/5/15 at 10:19pm
post #245 of 748
I agree man, only thing is that max cooling output is only abbout 50% of your power usage. so if you don't care about your electirc bill
peltier is cool ass, can get 50- 1000w worth of cooling onto your water loop
post #246 of 748
Keep reading man. Can easily get 1:1 qc to power consumption ratio. Especially with chillers. If you do direct die with a single TEC COP is usually 0.3 to 0.5 but with multiple under volted TECs in a chiller cop of 0.5 all the way to 3 and beyond is possible. But cop of 1 is very achievable at a reasonable cost. And you can start cascading TECs when they have great COP to get bigger deltas. I think -20*c is doable with a cascaded chiller but it's beyond the point of tecs really. Tecs are good to drop temps up to 30*c, beyond that it get complicated or expensive and phase starts to make sense
Edited by LiamG6 - 11/6/15 at 2:33am
post #247 of 748
Yes thanks for letting me know, plorbem is with reduced power consumption, you will need much more peltier blocks to get the power in there.
So you will be paying a fortune for waterblocks and possbile power supplies.

15W that does 30W cooling for example, you will need 10 of them.
but at full power drawing 500w already does the 300w cooling

I am looking at data sheets and seems like at a quater of the peltiers max voltage it seems to have at least apprximatly 4 cop, so its great if you want to spend money on more peltiers.

COP will be approximaly 2-3 though if it has 10C rise in hot cold side

But , if you have a 10C diffrent is cold and hot side, performance will equal to running on full power having a delta of apprximatly 40-50

For less than 1 quater of the power usage though
Edited by Iwamotto Tetsuz - 11/6/15 at 12:39pm
post #248 of 748
Thread Starter 
i just think you need to do more research before telling people who build with peltiers how they work or should work because you no where near how they work and where is the it only cools 50% of its power? 4 peltiers 4 water blocks cost about £30-£40 can cool cpu and gpu a phase built peace of S*t costs £700+ so yea if you want to tell us our peltiers are stupid and cant do what we want and should get phase go troll somewhere else or get reported THANKS.
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post #249 of 748
If you watch most peltiers data sheet at max volts it has about 50-60% effcienty

I'm trooling? think again, I think your trolling about your 6-10C drop in room temps.
No pictures of the build running, no temp meter no proff at all.

Never use a human body as a themometer, very unaccurate thumb.gif
post #250 of 748
well, your first problem is looking at the 100%umax, your second problem is you are ignoring the strengths of TEC because it has some weaknesses, Phase has weaknesses to, would you like me to come to the phase section and start complaining about how pointless your hobby is? I don;t see anyone from the TEC section preaching about TEC's being a better alternative than Phase, because we know its not and have no interest in phase for various reasons, so please just go back to your section of the forum and let us chill our CPU's in peace. I just finished a gaming session with max 27*c CPU core temp with 32*c ambient temperature and a 15*c cold plate temperature from a single TEC with 132w power consumption coming from water cooling that was lucky to keep me in the 60*c range at this CPU speed. I'd call that a win, and all this with no added space needed over my normal water loop and completely silent, sound attractive? Or can't you hear it because your compressor just kicked in?
Edited by LiamG6 - 11/6/15 at 11:19pm
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