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http://www.youtube.com/watch?v=DNL7ASvl4k4
http://www.youtube.com/watch?v=IUTQI52Vhg8
http://www.youtube.com/watch?v=RW2y76xRaLs&feature=relmfu
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Evaporation
•If air at 10°C can hold 10 gallons of water, and 5gallons are present, what % of the air is full of water? _______
•If the air can hold 10 gallons, and 10 gallons are present, what % of the air is full of water? ____________
The amount of moisture in the air is referred to as?
When the air is completely full of water it is considered?
Air temp = 84 Dew Point temp = 61High or Low pressure? Will a wet towel dry
quickly or slowly today?
Ever notice how you feel cold when you get out of the shower or pool?
That’s because evaporation is a heating process.
Water needs heat in order to evaporate and therefore it gets the
heat from your Body.
Because evaporation is pulling the heat out of the thermometer, the wet bulb is always colder than the
dry bulb (or the same temp)