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Quick tec query...

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3 replies to this topic

#1
Caboose

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Just a quicky :)

If i was to use a small (say 35w) tec to heat a big lump of ally (not to heat it from ambient, more to "keep" it warm), how could i deal with the cold side? I'm used to slapping a hsf onto the hot side of a unit, but i've never used one for heating before.

Cheers

#2
Delgado

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Just a quicky :)

If i was to use a small (say 35w) tec to heat a big lump of ally (not to heat it from ambient, more to "keep" it warm), how could i deal with the cold side? I'm used to slapping a hsf onto the hot side of a unit, but i've never used one for heating before.

Cheers


I'm not sure you'd have to do anything with the cold side - it would just get cold wouldn't it? If you're just using the TEC as a heating element though I would have thought there must be more energy efficient ways of going about it - a resistor in contact with the ally for example.
All arrays Chuck Norris declares are of infinite size, because Chuck Norris knows no bounds.

#3
Caboose

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Ahh, good point about the resistor, one of the chunky 50w units would be ideal for what i'm thinking of. I'm over thinking things as usual.

My concern about the tec is what happens once the cold side is iced over? Does it just get a larger and larger lump of ice? Or does the fact it's "blocked" prevent it from pumping heat?

#4
Delgado

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Good point about the cold side - ironically I think you'd actually have to put a heat source against it to counteract that problem :D So yes, I think this is slightly over-engineering the solution.
All arrays Chuck Norris declares are of infinite size, because Chuck Norris knows no bounds.




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