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Thread: How to cool a NANO tank ? Thread #2

  1. #11
    bezz
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    Look what I found. Bought a few of these to play around with


  2. #12
    bezz
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    Cost $35 each




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    Nice find! where did you get it from?

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    Bezz,

    Look very interesting. But it's a bit underpowered from what i see from the manual. 6v, 1.5A. Power is 9W .. our peltier normally already running at 30-50w range.

    Of course nothing beat a practical experiment on it. Maybe you can test by fill it with water and see how fast the cooling work on that small amount of water 1st.

    I wonder if we could dismantle the thing and see what peltier they using so we could replace it with a more powerful one

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    Shrimp Newbie tsia's Avatar
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    How much did u pay for the can cooler and where you got it from ? ;-)

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    maybe just buy 2 or 3 of the can cooler and then loop them together in series, wonder whether it will works?

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    Quote Originally Posted by ianlim
    maybe just buy 2 or 3 of the can cooler and then loop them together in series, wonder whether it will works?
    Each cost $35 according to Bezz .. buying 3 = 3 x $35 = sgd$105.

    Doesn't make economical sense in term of cooling rate and $$$ spend.

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    Moderator silane's Avatar
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    Quote Originally Posted by spinex
    Each cost $35 according to Bezz .. buying 3 = 3 x $35 = sgd$105.

    Doesn't make economical sense in term of cooling rate and $$$ spend.

    The rating of that TEM is too low, notice that it is good to cool a can of drink. Understand from someone who used another winer chiller which is specified to cool 4.5l of water, the result was also bad.

    Best is to use direct cooling rather than passing through reservior as there is too much loss. I can get 22C with cold fine directly coupled into the tank.


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    Thermal conductivity of common metal from Wikipedia

    http://en.wikipedia.org/wiki/Thermal_conductivity

    Thermal conductivity of other common materials:

    Diamond 895-2300
    Carbon Nanotubes 1400
    Silver 429
    Copper 386
    Gold 317
    Aluminium 237
    Brass 120
    Platinum 71.6
    Iron 80.2
    Lead 35.3
    Mercury 8.514
    Quartz (273K) 6.8-12
    Ice (273K) 2.2
    Glass 1.35
    Wood 0.04 (balsa) - 0.35 (fir)
    Styrofoam 0.033
    Wool 0.04
    Silica aerogel 0.017
    Air (100 kPa) 0.0262
    Water 0.6062

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    Quote Originally Posted by gr81
    what type of Peltier do you have? How can PSU burn out if no max A is reached?
    I am using a 350W TEC , Vmax @ 15V and Imax @30A.

    Apparently , the cheapo ATX PSU comes only with one fan and its connected to 5V. This cause the switching transistors to overheat and its operating over Tmax.

    cheers

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