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-20 cold room - Page 2

post #11 of 67
Thread Starter 
Quote:
Originally Posted by windfire View Post
My advice:-

After you have finished benchmarking with your computer, many components of the PC (eg all case surfaces) are very cold. If it is brought into an environment with (high) humidity, condensation will happen almost at once.

So, be very careful and be prepared for this phenomena.
There's a 4*C room next to the -20 so i'll take it into there as a transition phase between room temp, and -20*C. As experiments are done in these rooms (but not often) the humidity is very tightly controlled at virtually nothing lol.

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post #12 of 67
edit: Condensation = NO GOOD.
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post #13 of 67
Thread Starter 
Guys I have said before, CONDENSATION IS NOT A PROBLEM, the humidity is tightly regulated at virtually ZERO! It is a -20 room, if they didn't control the humidity there would be MASSIVE build ups of ice crystals on all the surfaces.

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post #14 of 67
The issue isn't with the humidity in the cold room. It is with humidity outside the cold room when you take the very cold components out. Even a 4c room is pretty cold, and will cause condensation. A gradual warm up to outside ambient before hitting the humidity of the normal room would be ideal.
    
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post #15 of 67
Thread Starter 
I was thinking of sealing the components in airtight containers within the cold room, then taking them outside. That way condensation would only occur on the outside of the containers. Once the containers and their content warm up too room temp I will take them out.

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post #16 of 67
It's still not going to work well.

It won't sufficently cool the area DCIRECTLY around the components. Even though the air temerature may be -20, right around your parts it's going to be significantly warmer.
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post #17 of 67
Quote:
Originally Posted by overclocker23578 View Post
Guys I have said before, CONDENSATION IS NOT A PROBLEM, the humidity is tightly regulated at virtually ZERO! It is a -20 room, if they didn't control the humidity there would be MASSIVE build ups of ice crystals on all the surfaces.

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This should work.

Additional precaution: at -20C, moving mechanical parts will work at reduced efficiency. Fans of the graphics card and PSU will likely continue to function. But your Diamondmax 22 harddisk has an operating temp of 0-60C and becomes nonoperating at -40C. At -20C, it should be affected.

And 1 more thing, OP needs a good jacket to stay warm in a -20C room for an hour.
post #18 of 67
Thread Starter 
Quote:
Originally Posted by CovertCover View Post
It's still not going to work well.

It won't sufficently cool the area DCIRECTLY around the components. Even though the air temerature may be -20, right around your parts it's going to be significantly warmer.
But if my CPU runs at 30*C above ambient on load then with an ambient of -20*C it will run at 10*C under load

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post #19 of 67
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Oh and BTW, planning to wear the following: microfiber fleece underneath 2 awesome fleeces underneath a lab coat.

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post #20 of 67
im kinda curious as to how this will turn out
   
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