Cooling For Peltier/TEC

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Daniel Johnson

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Apr 22, 2013
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If I were to put 4 Peltiers on a reservoir inside a HAF Stacker, would it be enough to cool these with 6, 120mm fans or is liquid cooling required?
Would there be much of a difference between air cooling vs liquid cooling?
 
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cdabc123
dont do that the plastic reservoir will act as a vary good insulator and it wont cool the water. you need to ether use a metal version of the reservoir or you could cut rectangle holes put heatsinks in the holes and attach the tec to the heatsink.
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Daniel Johnson

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Apr 22, 2013
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Is there a reason that I cant use this reservoir and place two of these TEC Peltiers on each side of it? The reservoir's side are 90mm x 42mm, and the TEC Peltiers are a mere 40mm x 40mm, which should give just enough room, correct?
 
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cdabc123

cdabc123

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Jun 9, 2015
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dont do that the plastic reservoir will act as a vary good insulator and it wont cool the water. you need to ether use a metal version of the reservoir or you could cut rectangle holes put heatsinks in the holes and attach the tec to the heatsink.
 
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Solution
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Daniel Johnson

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Apr 22, 2013
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I'm a little confused...I've never even heard of these plate heat exchangers. How does it work? And don't I just need two holes, not four (one intake, one exhaust)? Looks intriguing

Can you recommend a good one for 1/2" ID tubing, instead of 3/8"?




yes thank you, I've already planned to handle this
 
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JackNaylorPE

JackNaylorPE

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Oct 30, 2004
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Heat exhangers are oft used in engine cooling where air cooling of radiators provides insufficient thermal exchange.... the engine coolant is in a closed loop that uses water in another loop to cool it. Think of putting your radiator in a reservoir.

The way they are normally used is you have your closed water loop running as any typical water loop for a custom water cooled PC ... that covers one in and out. In it's simplest form, you run a line from your home's water supply to the 2nd inlet and then the outlet can go to an outdoor pond or whatever. That gives you an "ambient" of 55F instead of the typical 72F

Most used a closed loop for the 2nd loop .... can even be incorporated into a home geothermal heating / cooling loop.
 
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