Air Dryer
Why is hair hot air than cold air? And what does the air pressure has to do with temperature, as a venturi?
Yall could explain why this happens? I guess I am referring specifically to carburettor icing in flight when it is of the Venturi.
As the previous answer was coming, there is the absolute humidity and relative humidity. http://en.wikipedia.org/wiki/Humidity If you take a volume of air and the heat, humidity absolute amount of water vapor does not change, but the ratio of moisture the relative amount that the air can hold diminishes. If you take a volume of air and the cool, the relative humidity increases. If it rises high enough, there is more vapor the air can hold water vapor condenses into liquid water. For a fixed amount (mass) of gas, the ideal gas law says: P http://en.wikipedia.org/wiki/Ideal_gas_law V = KT, where K is a constant depending on the quantity and type of gas, T is temperature, P is pressure and V is the volume. But this is only equation to figure what happens in a venturi you also need the equation for the adiabatic expansion - expansion without addition or subtraction heat. It says: P http://en.wikipedia.org/wiki/Adiabatic_process V ^ g = constant In combination, the two say that when air flows through a venturi, there is a decrease in temperature and a change in volume. Http: / / en.wikipedia.org / wiki / Venturi_effect It is the decrease in temperature causes water vapor condenses and water ice. And if you're dealing with a carburetor, you have an additional cooling by evaporation fuel, absorbing heat from the surrounding air. http://en.wikipedia.org/wiki/Carburetor_icing http://helicopterflight.net/icing.htm
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