Not right Foxpup, the power transmitted through the thermoelectric element can be enough to cool the gpu. 100W of heat conducted through a TEC will give you 0.7 watts of electric power: GPU 65 degrees centigrade. ambient 25 degrees. Enough to run a fan on the heat sink. Calculator here: http://www.powerchips.gi/technology/pcalc.shtml
To use 50$ on a TEC to save 0.7 watts of power is not worth your while still.
Topic: Thermal Electric Elements? - page 2. (Read 1645 times)
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Last time I checked those things had such low outputs that the time for return on investment made them impractical for most applications.
Actually, they are practical for some applications. Just not applications where you absolutely, positively, need to get rid of waste heat.Quote
Would be very interesting if they've advanced much, the ability to generate electricity just from temperature difference has huge potential.
No it doesn't. As I previously mentioned, the heat source and the heat sink must be thermally insulated from each other in order for a thermoelectric generator to work. And if they are thermally insulated and you have no other cooling system, the chip burns to a crisp. There is no potential here.
You do realise that thermoelectric generators insulate the heat source from the heat sink, right? Otherwise the heat just gets conducted straight to the heat sink without producing usable energy. Needless to say, this is precisely what you don't want on your mining hardware, as it will result in greatly increased temperatures, which (since the chip has a constant volume) increases the pressure of the magic smoke. This rising pressure is very likely to rupture the chip's casing, releasing the magic smoke and rendering the chip useless. While you could use the output of the thermoelectric generator to power an additional cooling system, a conventional heat sink provides far more effective cooling at a fraction of the cost.
With all the heat coming from this hardware, has anyone considered basic thermal electric elements? These generate energy via the differentiation in temperature on one side over the other. I would assume placing between the heat sink and the chip would be ideal.
I"ve been you tube videos where the cpu fan was actual run from the electricity created by the temperature differences.
Thoughts? Cost analysis?
-ee
I"ve been you tube videos where the cpu fan was actual run from the electricity created by the temperature differences.
Thoughts? Cost analysis?
-ee
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