replicating the "cloud" forest while accepting the limitations of my technology
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replicating the "cloud" forest while accepting the limitations of my technology
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  #21  
Old 07-29-2020, 01:13 PM
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replicating the &quot;cloud&quot; forest while accepting the limitations of my technology
 

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You can calculate ice cooling of water easily if you know the mass and temperature of the two bodies of water.
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  #22  
Old 07-29-2020, 01:27 PM
DirtyCoconuts DirtyCoconuts is offline
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how exact does my math have to be? the mass of the tank water is hard to get right bc it is both flowing and the reservoir has charcoal and lava rock in it displacing and making it hard to estimate very closely

i guess i can just toss one in one night and see LOL
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  #23  
Old 07-29-2020, 01:50 PM
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If you know the temperature of water inside the terrarium, the temperature and mass of the ice you add, and you measure the water temperature after the ice melts, you can calculate the approximate mass of the water.
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Last edited by estación seca; 07-29-2020 at 02:04 PM..
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  #24  
Old 07-29-2020, 02:43 PM
DirtyCoconuts DirtyCoconuts is offline
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googling the heat loss formula and i need to find a decent thermometer
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  #25  
Old 07-29-2020, 03:20 PM
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It's just a simple proportionality. Convert T to Kelvins. The total heat in the final mass of water equals the heat in the liquid water plus the heat in the ice.

You can also treat temperature as a solute and calculate the dilution.
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  #26  
Old 07-29-2020, 10:31 PM
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I'm going to chime in again. If you're ok with putting fresh ice in there every night then go for it!!

I'm still wracking my brain for a way to make this self sustaining, so that one could go away for a week and everything would work automatically. Sprinklers and foggers and fans can all do that. Cooling that requires fresh ice every night doesn't cut it. (Unless you can train one of your dogs to deal with it.....🐕. Dogs need jobs! Btw, I do have a book about dog training that includes instructions on how to teach your dog to get you a beer from the fridge on command. But then you've taught your dog how to open the fridge. I digress.)

So how on earth would a person cool this thing automatically? Or is it not worth the trouble?
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  #27  
Old 07-29-2020, 10:55 PM
DirtyCoconuts DirtyCoconuts is offline
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so i had a decent idea and then a good one....

i added 5 1/4" holes at the bottom of the door (see here) and that increased the air movement a LOT (relative to a closed box)

Plants and animals by J Solo, on Flickr

then, i realized, the only source of heat is the light so why not see what happens if i reduce that. so, i made these little stands to life the light off the top about a half inch...temp dropped 6 degrees

Plants and animals by J Solo, on Flickr


Plants and animals by J Solo, on Flickr

so with the holes and the lifted light the "day" temps are 8-9 degrees lower and we will see what happens at night
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  #28  
Old 07-30-2020, 01:35 AM
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Attach an automatic ice maker to your cooler.
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