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Thread: Possible cooling breakthrough!

  1. #1

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    Hello all,
    Here is a plan that I have created using some research of cooling properties and some of my own planning:

    1) The idea: Create a "wind" of super-humidified air that blows across the plants, and is then removed through an exaust fan on the other side of the growchamber to cool even more.

    2) The tools: PVC piping, 2 computer fans, ultrasonic fogger, and enclosure for ultrasonic fogger.

    3) The principles: Evaporative cooling, cooling through wind, cooling through exaust of warm air

    4) The plan: Plan


    5) Suggestions? Ideas or improvements? Has anyone tried this same thing? I know a while back somebody did a fog insert system with piping, but I don't remember a cooling system...

    THANKS!
    ~LM
    I am back..

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    Tropical Fish Enthusiast jimscott's Avatar
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    I laud the creativity. Congrats!

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    That's similar to what someone (swords?) here uses, except i think his is a bit more industrial-scale.

    You'll have a hard time getting a strong flow with the computer fans, unless they're unusually large and/or powerful computer fans.

    I bought an AC 'muffin fan' (think large computer fan), and combined with a clothes dryer lint kit, it blows dampened outside air into my highland terrarium, which is vented on the opposite side.

    The main difference is that i have a limited supply of distilled water, so i didn't want to use an ultrasonic humidifier. Therefore, my system simply blows the outside air over a pool of tap water (hence the dryer 'lint trap'). It's moderately effective, and doesn't have to be refilled or cleaned as often.

    In the winter i simply collected the air from between the double windows, so as to avoid blowing sub-zero air onto the plants. [img]http://www.**********.com/iB_html/non-cgi/emoticons/smile.gif[/img]
    There's no 'a' in perlite.

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    here is a suggestion: Replace the two computer fans with a koolance computer cooler:


    there are others, more powerful... would they work?

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    Spec, i think that works via thermoelectric cooling (Peltier effect). It's not very efficient compared to an AC, and there are little thermoelectric aquarium chillers that are probably cheaper.

    No, if you're going to spend any significant amount of money on a highland grow chamber, might as well go with the modified chest freezer or redirected AC flow.
    There's no 'a' in perlite.

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    Nepenthes Specialist nepenthes gracilis's Avatar
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    That looks like it may work just fine Lman. I say go for it, perhaps buy a stronger AC fan though....PC fans won't give you "the breeze" needed for an evaportive effect, would want the fog to be sucked out of the terrarium, not lying on the plants.

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    Tony Paroubek's Avatar
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    Not really sure how much cooling you will see from an ultrasonic humidifier. I can't imagine the cooling effect to be all that much but I am only taking an educated guess..

    Blowing humidified air into a grow chamber will certainly help with heat build up from lights and what not though. And if this is an issue now it might make a significant difference during the day. But don't think your going to get much of a drop over ambient air temperature.
    T

    ps.. get rid of that green I can barely read it ;p
    Is that a Nepenthes in your pocket or you just happy to see me?

  8. #8

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    Well,
    Thanks for the comments thus far! I forgot to state that my fans are actually the AC type muffin fans, because I was just trying to provide a good description for what I might like to try...

    D. muscipula, how much of a cooling effect do you get from that set-up?

    Swords uses similar, but with air-conditioning in the mix as well...

    Spec, looks nice, but perhaps very big compared to the peltier unit I built for testing a few months ago.

    All in all, I just like to think outside the box, because I already am able to cool at night, but always like to try new methods!

    ~LM [img]http://www.**********.com/iB_html/non-cgi/emoticons/cool.gif[/img]

    P.S. Just testing a new color...
    I am back..

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