Psychrometric constant
ID: psychrometric-constant
The psychrometric constant, also known as the psychrometric ratio or psychrometric constant (often represented by the symbol \( \gamma \)), is a fundamental property in psychrometrics— the study of the physical and thermal properties of moist air. The constant is defined as the ratio of the change in the saturation vapor pressure of water with temperature to the change in the density of air with temperature.
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