ESS200A
Prof. Jin-Yi Yu
Saturation Vapor Pressure
qSaturation vapor pressure describes how much water vapor is needed to make the air saturated at any given temperature.
qSaturation vapor pressure depends primarily on the air temperature in the following way:
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qSaturation pressure increases exponentially with air temperature.
The
Clausius-Clapeyron
Equation
L: latent heat of evaporation; a: specific volume of vapor and liquid