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Registered: 01/29/03
Posts: 11
Loc: Oregon
Last seen: 10 years, 1 month
FYI Humidity/ Condensation
    #1341366 - 02/27/03 07:49 PM (14 years, 9 months ago)

Here's something that helped clarify things for me better, just thought I would share!

What?s relative humidity?
Air can hold only a limited amount of water vapor, and that amount depends on the air temperature. When air at a certain temperature contains all the vapor it can hold, it?s said to have a relative humidity of 100%. Thus, when it holds only half the water vapor it can hold, the relative humidity is 50%. Cooler air is capable of holding less vapor than warmer air. So air at 30? F and 100% relative humidity actually contains less water than air at 70? F and 100% relative humidity.

Just what is condensation?
Fog on windows is a form of condensation. So is the water that forms on the outside of a glass of iced tea in the summer. It all comes from water vapor in the air.

What causes it?
Excess moisture in the air. When warm, moist air comes into contact with cooler surfaces, the moisture condenses. That?s because the cooler air surrounding cooler surfaces can?t hold as much moisture as warmer air.

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Registered: 12/18/01
Posts: 7,262
Re: FYI Humidity/ Condensation [Re: Kidnasty2001]
    #1341385 - 02/27/03 08:04 PM (14 years, 9 months ago)

Very nice :smile:

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