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Will I get condensation?

post #1 of 14
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Since the nights here are getting colder, usually in the 40s. I ran a dryer vent from my window to my computer. I put it up to the rear fan where I've got my Kuhler 620 mounted with an intake fan in push/pull if that matters. By doing this am I at risk for getting condensation or will the rad heat the air enough to prevent it? I dont think the air in the PC gets too cold but the rad itself is pretty chilly from what ive noticed. Been going about an hour now and its kept my cpu temps in the low to mid 20s idle with low 40s load at 4Ghz....so I def. like the cooling improvement but If im running too big a risk of ruining my computer then Ill take it off. Also if I do get condensation is there any way to stop it other than removing the vent?
Racersnare21
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Racersnare21
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post #2 of 14
condensation typically occurs when when something is cold, and warm air touches it and vice versa in the case of water cooling, condensation in this situation is likly to start at the block and spread, any air lower then your general ambient can cause condensation
   
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post #3 of 14
Water vapour in air begins to condense on a surface when the temperature of that surface falls below the dew point (which is a function of air temperature and relative humidity).

http://www.wunderground.com/US/KY/Owensboro.html reports (4am) that Owensboro, Kentucky currently has a dew point of 0C (air temp 2C = 40's F and relative humidity of 75%).

And I do no think the surface temp of any component inside your PC would fall below 0C to trigger condensation.

Therefore, condensation is not going to happen and you are quite safe to continue to enjoy your dryer vent.
post #4 of 14
^ And I guess I must be wrong, but don't dryer vents vent warm/hot air? why you want that near your computer?
post #5 of 14
Actually, with what you described, since the cold air is inside the computer, you won't be getting any condensation INSIDE the PC, but if your room is heated then you may get condensation on the OUTSIDE of the case since the cold air inside the case could chill the walls of the case, making them below the dew point of the air in your room, which I am assuming is heated.

EDIT: I think he just meant he used some ducting that you find in things like central heating systems.
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post #6 of 14
Racersnare21, I HIGHLY doubt it. When in doubt, use the ol' trusty Dew Point Calculator here and you'll know for sure.

http://www.dpcalc.org/
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post #7 of 14
In a word, NO. i ran this set up for a long time and never had a lick of condensation on the computer. i would get a little condensation on the intake dryer vent but it would never run. its an awesome set up for a CAI. for the first week i had varying weather outside so i got a nice preview of the winter coming up and i would check for wetness each day. but had no problems
post #8 of 14
i am responding out of personal experience, i currently have a dryer duct hooked up to my h70 intake for the last 8 months, it already got to -25C this winter and i have had no condensation in or around my CPU or GPU's. Here are a few pics of my system i have going: I have my H70 in a push pull config, with the air then being exhausted by my GPU's
400
Air intake and exhaust:
400
Attached to my window
700
fan on the left helps facilitate air intake and fan on the right helps to exhaust it400
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post #9 of 14
why dont you get a taller desk and put the rear of the tower facing the window....... wouldnt that do the same thing?? if pushing air from back to front.
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post #10 of 14
Desks are expensive and ducting is really, really cheap
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